Abstract
Fungal pathogens continue to devastate global agriculture, causing significant crop losses, compromising food security, and posing emerging threats to public health. This paper critically examines the revolutionary role of nanotechnology-driven innovations in combating fungal diseases in crops, offering an integrative framework that bridges plant health, environmental sustainability, and human well-being. We synthesize recent advancements in agricultural nanomaterials, including silver, zinc oxide, and copper oxide nanoparticles, as well as green-synthesized nanoformulations. We examine their antifungal mechanisms, including membrane disruption, induction of oxidative stress, targeted delivery, and inhibition of spore germination. The review highlights how nanosensors can facilitate early detection of pathogens, while nano-enabled packaging and innovative delivery systems prevent post-harvest contamination and extend shelf life. Crucially, we underscore the public health benefits of reduced chemical pesticide use, lowered mycotoxin exposure, and the potential for mitigating antimicrobial resistance. The paper advances the discourse on environmentally responsible, high-precision disease control strategies in agriculture by linking nanotechnology to broader sustainability goals. Furthermore, we identify key challenges, including regulatory ambiguity, ecotoxicological concerns, and barriers to equitable adoption, especially among smallholder farmers in the Global South. This paper contributes a forward-looking agenda for integrating nanotechnology into holistic pest management systems through inclusive policies, interdisciplinary research, and stakeholder-driven implementation pathways. Overall, this review positions nanotechnology as a transformative tool in reengineering crop protection paradigms that align innovation with sustainability, resilience, and public health imperatives in the face of escalating global challenges.
1 Introduction
The advent of nanotechnology represents a revolutionary shift in agricultural practices, particularly in managing fungal pathogens that threaten crop yield and quality. Nanotechnology may be defined as manipulating matter on an atomic, molecular, and supramolecular scale to offer promising innovations for sustainable agriculture (Ray et al., 2023). The applications of nanotechnology in agriculture encompass enhanced disease management, precision farming, and advanced delivery systems for agrochemicals, which are essential components for improving crop resilience to pathogens (Kumar et al., 2023; Shahid et al., 2023). As the global agricultural landscape increasingly confronts challenges posed by climate change and pest resistance, the role of nanotechnology in fostering sustainable farming practices gains significance (; Vijayreddy et al., 2023).
Emerging threats from plant fungal pathogens have escalated concerns regarding food security, given their capacity to decimate crops and reduce overall agricultural productivity (; Kang et al., 2021). The estimated annual losses due to fungal diseases can reach approximately 20% of agricultural yield, impacting global food supply chains and increasing food prices (; ; Ogwu et al., 2024). Additionally, the rising incidence of pathogen resistance to conventional fungicides exacerbates the challenges faced by farmers, necessitating innovative solutions that nanotechnology can provide (; Ogwu and Izah, 2023). These solutions could redefine conventional disease management approaches by integrating bioactive nanomaterials that can disrupt fungal growth mechanisms (Ogwu and Osawaru, 2022; Shahid et al., 2023).
Fungal diseases significantly hinder agriculture, prompting economists, agronomists, and public health officials to assess their broader implications beyond crop losses (Suryani et al., 2023). The global impact of plant fungal pathogens, as evidenced by the proliferation of diseases such as rust, blight, and mildew, underlines the urgency for effective management strategies (). Pathogens like Aspergillus fumigatus threaten crops and have also been implicated in the emergence of antifungal resistance within human pathogens, creating a nexus between agricultural practices and public health (Kang et al., 2021). The occurrence of pathogenic strains resistant to azole fungicides poses significant challenges for both crop management and clinical treatment (; Shen et al., 2022). The conventional reliance on synthetic fungicides has been insufficient, primarily due to fungicide resistance and the detrimental impact of chemical residues on soil health and microbial diversity (; ). Researchers highlight that nitrogen and phosphorus fertilization practices have unintentionally favored pathogenic fungi, illustrating the complex interactions within agricultural ecosystems that can lead to increased disease severity (Lekberg et al., 2021). Therefore, advancements in nanotechnology that target these specific pathways promise more effective and sustainable disease control methods, which can be integrated into current agricultural frameworks (Vijayreddy et al., 2023; Ogwu et al., 2024; 2025).
The interrelationship between plant health, crop diseases, and public health is multifaceted. Effective management of crop diseases is vital for food security and has broader implications for environmental and human health (). The circulatory impact of agricultural practices on public health is evident in the context of zoonotic diseases and the frequent human exposure to harmful pesticides, commonly used in traditional farming methods. The transition towards nanotechnology applications in agriculture could mitigate these risks by offering targeted delivery systems that minimize chemical usage while maximizing pest and pathogen control (Sharma et al., 2024). The environmental repercussions of conventional agriculture also heighten public health concerns. Pesticide residues frequently contaminate soil and water, posing significant threats to both terrestrial and aquatic ecosystems (; ). Agriculture can utilize nanotechnology to enhance the efficacy of biocontrol agents and reduce chemical inputs by leveraging the unique properties of nanomaterials, such as their high surface-area-to-volume ratio (Shahid et al., 2023). This change helps maintain ecosystem health, which is essential for long-term agricultural output and, in turn, for public health outcomes, as well as for disease control. Therefore, embracing nanotechnology can reduce reliance on harmful synthetic chemicals, aligning agricultural practices with the Sustainable Development Goals (Ogwu et al. 2024). Nanotechnology has the potential to enhance food safety by reducing post-harvest losses and increasing disease resistance, leading to higher-quality produce and improved public health outcomes ().
This review offers a critical and integrative examination of the emerging role of nanotechnology in controlling fungal pathogens that affect crop systems, with a particular focus on its implications for sustainable agriculture, food safety, and public health. Unlike existing reviews that predominantly address the synthesis and application of nanomaterials in crop protection (; Worrall et al., 2018), our work offers a transdisciplinary perspective that situates nanotechnological innovations within a broader context of global health and environmental sustainability. It uniquely emphasizes the dual relevance of fungal disease management and public health, especially in low- and middle-income countries where the burden of foodborne mycotoxins and antimicrobial resistance remains high. The review synthesizes cutting-edge developments in the design and deployment of nanomaterials, including metallic nanoparticles, nanoemulsions, and stimuli-responsive delivery systems for effective and targeted fungal control. It elucidates their underlying antifungal mechanisms, such as cell membrane disruption, oxidative stress induction, and enzymatic inhibition, while also evaluating their capacity to overcome conventional resistance pathways. Furthermore, we explore nanotechnology-enabled strategies for early pathogen detection, post-harvest disease mitigation, and intelligent food packaging that collectively enhance food quality and shelf life. Crucially, the review addresses key issues related to equity, ecology, and regulations that are crucial to the responsible application of nanotechnologies. This review provides a thorough synthesis that connects nanoscience, plant pathology, and public health, advancing a novel framework for the inclusive and sustainable integration of nanotechnology into international crop protection efforts.
2 Nanotechnology approaches for managing fungal pathogens
The burgeoning field of nanotechnology has been increasingly recognized for its role in managing fungal pathogens, particularly through the use of various nanomaterials (Figure 1). Figure 1 illustrates the dual role of nanoparticles in agriculture as both protectants and carriers. As protectants, nanoparticles such as silver, copper, gold, titanium dioxide, and chitosan directly inhibit plant pathogens, including bacteria, viruses, fungi, and insect pests. As carriers, various nanomaterials, including chitosan, silica, solid lipid nanoparticles, and layered double hydroxides, enhance the delivery and efficacy of active agents such as insecticides, fungicides, herbicides, and RNA-interference molecules (Worrall et al., 2018). Nanodelivery systems offer multiple agronomic benefits, including increased shelf life, targeted delivery, enhanced solubility, and reduced toxicity and environmental leaching, thereby contributing to sustainable and precise pest management strategies in modern agriculture (Figure 1; Worrall et al., 2018).
Figure 1
These materials differ in composition, structure, and functional mechanisms, offering a wide range of benefits from enhanced efficacy to environmental sustainability. Table 1 categorizes key types of antifungal nanomaterials, highlighting their representative examples, modes of action, application methods, advantages, and corresponding references. This classification provides a foundational understanding of how nanotechnology can be strategically leveraged to combat fungal pathogens in crops while reducing chemical inputs, improving delivery precision, and supporting sustainable disease management practices. Among these materials, nanoparticles such as silver, zinc oxide, and copper oxide have been shown to exhibit antifungal properties.
Table 1
| Nanomaterial type | Examples | Mechanism of action | Application mode | Advantages | References |
|---|---|---|---|---|---|
| Metallic Nanoparticles | Silver (Ag), Zinc Oxide (ZnO), Copper Oxide (CuO) | Disrupt cell walls/membranes, induce ROS (reactive oxygen species), and inhibit enzymatic activity | Foliar sprays, seed coatings, soil amendments | Broad-spectrum antifungal activity, low resistance development | |
| Nanocarriers for Fungicides | Lipid-based NPs, polymeric NPs, silica NPs | Controlled release of active ingredients, targeted delivery to infection sites | Encapsulated fungicide sprays, root zone delivery | Reduced dosage, sustained release, minimized non-target effects | Kutawa et al. (2021); Kumar et al. (2022) |
| Nanostructured Materials | Carbon nanotubes (CNTs), nanofibers, and quantum dots | Physical interaction with fungal spores, blockage of nutrient uptake | Coatings on surfaces, plant-based carriers | Mechanical inhibition, enhanced stability | Patel et al. (2020); Safdar et al. (2022) |
| Green Synthesized Nanoparticles | Plant-mediated AgNPs, fungal/myco-nanoparticles | Bio-compatible antifungal action via phytochemicals and metallic ions | Eco-friendly foliar and soil application | Environmentally sustainable, reduced toxicity | ; Singh et al. (2023) |
| Nanoemulsions | Essential oils + surfactant nanoemulsions | Membrane disruption, inhibition of spore germination | Spray or dip application | Natural, biodegradable, and synergistic with other biocontrol agents | ; Mosa et al. (2023) |
| Magnetic Nanoparticles | Fe₃O₄ NPs, iron oxide NPs | Magnetic targeting, potential for pathogen trapping | Combined with magnetically guided delivery systems | Precise targeting, potential for recycling | Shen et al. (2018) |
Nanotechnology approaches for managing fungal pathogens in agriculture.
Silver nanoparticles (AgNPs) are among the most extensively studied nanomaterials due to their broad-spectrum biological activities and unique physicochemical characteristics (Figure 2). Chemically, AgNPs exhibit potent antifungal, antiviral, antibacterial, anticancer, and anti-inflammatory activities, making them valuable in medicine, agriculture, and environmental management. Physically, nanoscale size, surface charge, shape variability, optical behavior, and superior conductivity contribute to their versatility and effectiveness (Figure 2). These traits make AgNPs promising candidates for next-generation solutions across disciplines, including plant pathology, healthcare, and nanotechnology-enabled diagnostics. AgNPs are particularly noted for their broad-spectrum antimicrobial activities, including efficacy against diverse fungal strains such as Candida and Aspergillus species (Santos et al., 2021; Wahab et al., 2023). Research reveals that these nanoparticles can disrupt the cell membranes of fungi, which is pivotal in inhibiting growth and inducing cell death via apoptosis (Pachaiappan et al., 2021; Mohsen et al., 2022). This phenomenon is primarily attributed to their ability to release silver ions, which interact with cellular components, leading to oxidative stress and functional impairment of pathogenic cells (Mohammed et al., 2018; ; Wahab et al., 2023).
Figure 2
Zinc oxide nanoparticles (ZnO NPs), another promising class of nanomaterials, have been extensively researched for their antifungal capabilities. Their efficacy can be attributed to their unique physical and chemical properties, which allow them to generate reactive oxygen species (ROS) that damage fungal cells (Sun et al., 2018;
Figure 3

Application of ZnO@SiO₂ nanocomposites in maize protection and seed storage. Source: Zhou et al. (2023), reproduced under CC BY 4.0 license.
Equally significant are copper oxide nanoparticles (CuO NPs), which have demonstrated efficient antifungal effects, particularly against resistant strains (Zhao et al., 2020; Wahab et al., 2023). Their action revolves around generating oxidative stress within the target cells, which ultimately induces apoptosis (Zhao et al., 2020; Wahab et al., 2023). Numerous studies have corroborated the use of CuO NPs in agricultural settings, where they provide an alternative to synthetic fungicides, minimizing the environmental footprint and enhancing sustainable practices in fungal management (Sun et al., 2018; Pachaiappan et al., 2021). The potential utilization of these metallic nanoparticles in agroecosystems signifies a considerable shift toward more sustainable pest management strategies. Figure 4 presents the green synthesis of copper oxide nanoparticles (CuONPs) using fungal biomass and extracts, followed by their application in inhibiting fungal pathogens, specifically Candida species (
Figure 4

Fungal biosynthesis of copper nanoparticles (CuONPs) and their antifungal activity against Candida spp. Source:
Nanocarriers and controlled release systems have also emerged as innovative approaches to enhancing the delivery of antifungal agents. Some examples of nanocarriers include liposomes, solid lipid nanoparticles, gold and iron oxide nanoparticles, polymeric micelles, and carbon nanotubes (Figure 5). Nanocarriers are engineered nanoscale materials designed for the targeted delivery of active compounds, including agrochemicals, pharmaceuticals, and nutrients. Their high surface-area-to-volume ratio, tunable physicochemical properties, and ability to carry functional payloads make them highly versatile (
Figure 5

Some types and examples of nanocarriers. Sources: adapted from
Nanostructured materials, including nanotubes and nanowires, provide additional avenues for inhibiting fungal pathogens. Figure 6 presents the multi-dimensional framework for classifying nanostructured materials based on five key criteria according to
Composition: Nanoparticles may be organic, inorganic, carbonaceous (e.g., fullerenes), or composites combining multiple materials.
Dimensionality: Classification by shape and size includes zero-dimensional (0D, spherical), one-dimensional (1D, rod-like), two-dimensional (2D, sheet-like), and three-dimensional (3D, complex shapes).
Phases: Nanoparticles can exhibit a single-phase structure or a multiphase architecture with core-shell or layered configurations.
Dispersion State: Nanoparticles are categorized as dispersed or aggregated, with further distinction between isomeric and inhomogeneous forms in each case.
Origin: Their source can be natural (e.g., biological processes), incidental (e.g., volcanic emissions), or engineered (e.g., laboratory synthesis).
Figure 6

Comprehensive classification of nanoparticles. Source:
The structures of these materials can interact with fungal cell surfaces, leading to the obstruction of essential metabolic pathways or even physical disruption through structural nanomechanical interactions (
The mechanisms of action of these nanoscale materials also reveal intricate pathways through which fungal pathogens can be managed. The disruption of cell membranes by nanoparticles is a fundamental action that can be explained through the formation of reactive oxygen species and the interaction between nanoparticles and various cellular targets, including proteins and nucleic acids (Pachaiappan et al., 2021;
Additionally, their sustained-release properties can minimize the frequency of application and enhance treatment efficiency, even though precise, pathogen-specific targeting remains an aspirational goal in agricultural nanotechnology. Current formulations aim to prolong antifungal activity and improve stability rather than achieve selective action against individual pathogens (
3 Public health impacts of nanotechnology in agriculture
Integrating nanotechnology into agriculture is increasingly recognized as a transformative approach to address various public health challenges, notably through its role in reducing reliance on harmful pesticides, enhancing food safety, mitigating antibiotic resistance, and navigating associated environmental risks. The versatility of nanomaterials enables precise and controlled applications that minimize unintended human and ecological harm while enhancing disease control efficacy. However, alongside these benefits, potential risks associated with nanoparticle persistence, bioaccumulation, and cross-sectoral interactions must be carefully assessed. Table 2 outlines the key public health domains influenced by nanotechnology in agriculture, detailing the roles and impacts of nano-enabled innovations, associated risks, and recommended strategies for mitigating these risks. This framework supports a balanced, evidence-based understanding of how nanotechnology can be harnessed to promote safer, more resilient, and health-conscious food systems.
Table 2
| Public health area | Nanotechnology’s role | Impacts/Benefits | Potential risks | Mitigation strategies | References |
|---|---|---|---|---|---|
| Pesticide Reduction | Nanopesticides, controlled-release systems | Reduced human exposure to toxic chemicals; less environmental contamination | Accumulation of nanomaterials in soil/water; unknown long-term effects | Regulatory oversight, dose optimization, and ecotoxicological studies | |
| Food Safety | Nano-enabled antifungal coatings and packaging | Prevention of mycotoxin contamination; extended shelf-life of produce | Ingestion of residual nanoparticles through food | Development of safe packaging materials, residue monitoring | |
| Antimicrobial Resistance (AMR) | Alternative to antibiotics in crop protection | Reduced antibiotic use in agriculture; slower spread of AMR genes | Possible resistance development to nanoparticles | Rotation of nanoparticle types, integrated pest management (IPM) | Salam et al. (2023) |
| Zoonotic Disease Prevention | Improved crop health and food hygiene | Reduced fungal reservoirs that could transfer to animals/humans | Unknown cross-species interactions with nanomaterials | One Health–oriented research, cross-sector risk assessment | Ogwu and Izah (2023) |
| Occupational Health | Safer formulations and delivery methods | Reduced inhalation/dermal exposure for farmers and workers | Exposure to airborne nanoparticles during application | Use of personal protective equipment (PPE), safety training | Ogwu and Izah (2025) |
| Environmental Health | Lower pesticide runoff and targeted applications | Protection of water bodies, pollinators, and non-target organisms | Persistence of nanoparticles in ecosystems | Lifecycle assessment, biodegradable nanomaterials | Ogwu (2025) |
Public health impacts of nanotechnology in agriculture.
3.1 Reducing the use of harmful pesticides
Nanotechnology offers innovative solutions that can significantly reduce dependency on traditional chemical pesticides, which are often associated with adverse environmental and health effects. This transition arises from the ability of nanomaterials to enhance the efficacy of pesticides by allowing for targeted delivery and controlled release, overcoming limitations of conventional formulations that often lead to over-application and soil contamination (Kim et al., 2017). For instance, nanopesticides are designed to maximize the effective concentration of active ingredients while minimizing dispersal in the surrounding ecosystem, reducing the chemical load in agricultural practices (Parveen et al., 2023;
3.2 Food safety and nanotechnology
The promise of nanotechnology extends into food safety, particularly through its applications in preventing fungal contamination in crops. Mycotoxins, produced by certain fungi, pose significant health risks as they can enter the food supply chain, leading to various health issues, including carcinogenic effects (Zhang et al., 2020; Nurtjahja et al., 2022). Nanotechnology offers mechanisms to mitigate this issue, such as the development of nanosensors that detect and monitor fungal pathogens in real-time, enabling timely intervention (Rahim et al., 2021). In addition to detection, nanomaterials can offer antifungal properties that inhibit the growth of pathogenic fungi, thereby safeguarding food quality (Parveen et al., 2023; Zhang et al., 2020). These advancements have shown promise in field applications and post-harvest treatment, enhancing the shelf life of agricultural produce by targeting mycotoxin-producing strains, such as Aspergillus flavus (Nurtjahja et al., 2022). The subsequent reduction in mycotoxin levels is correlated with improved public health outcomes. It mitigates foodborne illnesses and reduces associated healthcare costs, underscoring the importance of integrating nanotechnology into agricultural practices for enhanced food safety.
3.3 Mitigating antibiotic resistance in agriculture
Antibiotic resistance has escalated into a global public health crisis, extensively linked to agricultural practices that employ antibiotics for disease prevention and growth promotion (
Unlike conventional fungicides, which often act through single, specific biochemical pathways, making them prone to resistance development, nanomaterials exert their antifungal effects through multiple simultaneous mechanisms (Rai et al., 2009; Lemire et al., 2013). These include physical interactions, such as membrane disruption, the generation of reactive oxygen species, and interference with intracellular components, including DNA and enzymes (Khan and Rizvi, 2014; Lemire et al., 2013). This mode of action makes it more difficult for fungal pathogens to adapt through mutation or selection of resistant strains. Additionally, the nanoscale size of these materials enables closer and more prolonged interaction with target cells, enhancing their fungicidal potency while reducing the likelihood of metabolic or efflux-based resistance. However, ongoing monitoring is essential, as overuse or improper application of nanomaterials could eventually select for tolerance mechanisms, especially under field conditions.
3.4 Environmental and human health risks of nanomaterials
As with any emerging technology, the deployment of nanotechnology in agriculture raises concerns regarding environmental and human health risks. The potential for exposure to nanomaterials through food, water, and soil necessitates rigorous assessment protocols to understand their biological interactions and possible toxicological effects (Yang et al., 2019; Kristanti et al., 2021;
The intersection of nanotechnology and agriculture presents transformative opportunities for advancing public health through innovative, science-driven practices. By reducing reliance on conventional chemical pesticides, nanotechnology minimizes harmful environmental exposures and enhances food safety and quality. Moreover, the targeted and efficient delivery systems offered by nanoscale materials hold great promise in addressing the growing global challenge of antibiotic resistance by providing alternative mechanisms for disease control. These advancements also offer tools to mitigate post-harvest losses and extend food shelf life, further contributing to nutritional security. However, deploying nanotechnologies in agricultural systems must be cautiously approached. Comprehensive risk assessments, transparent regulatory frameworks, and ongoing interdisciplinary research are crucial to mitigating unintended ecological and health consequences. Ultimately, responsible innovation in agricultural nanotechnology can be a powerful lever for achieving more resilient, equitable, and sustainable food systems while protecting human and environmental health.
4 Nanotechnology in fungal disease prevention and control
Nanotechnology is increasingly recognized as a pivotal tool in revolutionizing fungal disease management across agricultural systems, through the early detection of fungal pathogens, the prevention of cross-contamination in food systems, and its role within integrated pest management (IPM) frameworks. These innovations provide enhanced precision in monitoring and controlling fungal threats, aligning with broader public health protection, environmental sustainability, and economic resilience goals. By enabling rapid diagnostics, reducing the reliance on chemical pesticides, and enhancing crop resistance, nanotechnology establishes itself as a transformative force in developing next-generation agricultural disease prevention strategies.
4.1 Early detection of fungal pathogens using nanotechnology
Nanotechnology represents a groundbreaking advancement in agricultural practices, particularly concerning the early detection of fungal pathogens that jeopardize crop yield and food safety. The development of nanosensors allows for the rapid identification of fungal pathogens, facilitating timely intervention and management of potential outbreaks (Ray et al., 2023; Parveen et al., 2023). Traditional disease detection methods often involve lengthy processes that delay necessary treatments, whereas nanosensors provide a swift and efficient alternative, enabling farmers to act promptly to mitigate losses (Singh, 2023; Jali et al., 2024). For instance, nanoscale biosensors can detect the presence of pathogens in crops through colorimetric or electrical conductivity changes, significantly reducing the conventional constraints associated with pathogen diagnostics (Nainnwal, 2025). The impact of early detection systems extends beyond immediate crop health; they contribute significantly to preventing the spread of diseases through meticulous monitoring of environmental conditions conducive to pathogen proliferation. Continuous monitoring of soil health and climate variables is made possible by incorporating nanotechnology into precision agricultural techniques. This continuous vigilance not only aids in the early identification of threat pathogens but also fosters improved crop resilience by enabling farmers to implement targeted pest and disease management strategies (Singh, 2023; Rani et al., 2024). Consequently, integrating these technologies enhances food security and ensures that agricultural outputs remain safe for consumption. The economic implications of employing such innovative detection systems are critical. Crop losses attributed to fungal infections can range between 20% and 40%, severely impacting agricultural sustainability and economic viability (Khan et al., 2021;
4.2 Prevention of cross-contamination in food systems
In addition to early detection, nanotechnology plays a significant role in preventing cross-contamination in food systems throughout storage and transportation processes. The application of nanomaterials in food safety demonstrates promising capabilities in controlling the transmission of fungal diseases, which can severely compromise food quality and safety from farm to table (Scortichini, 2022;
Moreover, effective management of food storage practices, augmented by nanotechnology, ensures that fungi and other pathogens are kept at bay. By optimizing packaging technologies and integrating nanoscale solutions, the shelf life of perishable products can be extended, reducing food waste and enhancing public health. Soni et al., 2024). This supports the principles of sustainability and aligns with global goals related to food security amid increasing demand for safe food sources (
4.3 Integrated pest management and nanotechnology
Integrating nanotechnology into IPM practices offers transformative potential for sustainable pest and disease control measures in agriculture. Traditional pest management approaches often rely heavily on chemical pesticides, which have numerous adverse effects on the environment and human health. Scortichini, 2022; Parveen et al., 2023). However, nanotechnology presents a viable alternative by allowing for the development of nanoinsecticides and nanopesticides that are not only more effective but also require smaller quantities for pest control (Mehta et al., 2024;
Table 3 outlines key application areas where nano-enabled tools are deployed to enhance plant health and food safety. Each nanotechnological approach—from nanosensors to antimicrobial coatings and bio-based nanoformulations—serves distinct yet complementary functions. Collectively, they enable timely disease interventions, extend product shelf life, reduce post-harvest losses, and contribute to sustainable pest and disease management, including within organic farming systems. These innovations are not only improving the effectiveness and efficiency of disease control strategies but also enhancing the overall effectiveness of public health efforts. Still, they are also minimizing chemical inputs and aligning with global goals for safer, more sustainable agricultural practices.
Table 3
| Application area | Nanotechnology tool/approach | Function | Benefits | Implementation example | References |
|---|---|---|---|---|---|
| Early Detection of Fungal Pathogens | Nanosensors, nano-biosensors, quantum dots | Detect specific fungal biomarkers or pathogens at early stages | Timely interventions, reduced disease spread, and improved crop yield | Use of graphene-based sensors for detecting Fusarium spp. in soil | |
| Contamination Prevention in Food Systems | Nano-coatings, nano-packaging, antimicrobial films | Prevent fungal growth during storage and transport | Enhanced food shelf-life, reduction in post-harvest losses, safer food products | Silver nanoparticle-infused films to inhibit mold in packaged grains | Rezghi Rami et al. (2024) |
| Prevention of Farm-to-Table Cross-Contamination | Nanomaterial-based surface sanitizers and coatings | Disrupt fungal spores on surfaces, packaging, and tools | Breaks the pathogen transmission chain, improves hygiene in the supply chain | TiO2 nanocoatings on harvest equipment surfaces | Rizou et al. (2020); Nazarov et al. (2023) |
| Integrated Pest and Disease Management (IPM) | Nanopesticides combined with biological and cultural methods | Deliver antifungal agents in combination with traditional control strategies | Reduced chemical input, synergistic effect, and sustainability | Chitosan nanoparticles used with biocontrol fungi to suppress Botrytis cinerea | Poznanski et al. (2023) |
| Disease Suppression in Organic Systems | Bio-based nanoformulations (e.g., essential oil nanoemulsions) | Use of natural substances in nanoform to inhibit pathogens | Complies with organic standards, enhances the efficacy of natural products | Clove oil nanoemulsion for controlling powdery mildew in vegetables | Singh et al. (2021) |
Applications of nanotechnology in fungal disease prevention and control in agriculture.
5 Sustainability and innovative fungal nanotechnology in agriculture
The incorporation of nanotechnology into sustainable agricultural practices offers a transformative approach to addressing the challenges faced by modern agriculture. As the global population continues to expand and environmental constraints intensify, it becomes increasingly imperative to explore innovative methods that enhance crop productivity while minimizing environmental impact. At the forefront of this paradigm shift is the integration of nanotechnology, which has been recognized as a critical avenue for achieving sustainable agricultural practices. Phytonanotechnology leverages nanoscale interventions to optimize resource efficiency, enabling farms to produce more with fewer inputs, such as pesticides and fertilizers, while reducing their ecological footprint (Jiang et al., 2021; Tang et al., 2023). Nanotechnology promotes sustainability in agriculture primarily by enhancing the efficiency of agrochemical inputs. For instance, nanofertilizers and nanopesticides have been developed to deliver nutrients and pest control agents more precisely and effectively than conventional methods. These advanced formulations mitigate drawbacks such as nutrient leaching and pest resistance that accompany the excessive use of chemical fertilizers and pesticides. Nanoscale innovations enable the controlled release of these substances, ensuring that crops receive precisely what they need, which leads to improved agricultural outputs while reducing harmful runoff into surrounding ecosystems (Kumar et al., 2023; Mohanty et al., 2024).
Another pivotal aspect of nanotechnology in fostering sustainability is its ability to minimize the environmental footprint associated with agricultural practices. Nanomaterials can significantly reduce chemical runoff and soil contamination, as these innovations enable targeted applications where they are most needed, thereby decreasing the overall volume of chemicals applied. By enhancing the efficiency of water and nutrient usage, nanotechnology can lower the risk of soil degradation and ecological imbalances (Tripathi et al., 2023;
Moreover, the efficiency gained through nanotechnology enhances crop resilience, particularly against fungal diseases and environmental stresses. Research indicates that nanomaterials can help bolster plant defenses, thereby increasing their resistance to biotic stresses, such as pathogens, and reducing the need for external interventions, like chemical fungicides. Such advancements contribute to agricultural sustainability by decreasing reliance on synthetic chemicals while enhancing the natural resilience of crops (Tyagi et al., 2023; Wang et al., 2024). This is particularly relevant in organic farming, as nanotechnology can equip organic growers with tools to manage pests and diseases effectively without compromising the principles of natural farming practices (Shang et al., 2019; Tang et al., 2023). While the potential for sustainable advancements through nanotechnology is immense, it also brings challenges concerning long-term sustainability. Introducing nanoparticles into agricultural systems raises critical considerations regarding their environmental impact, particularly their accumulation in ecosystems. Therefore, developing guidelines for the sustainable production and disposal of nanomaterials is vital. Addressing these environmental concerns proactively will help mitigate risks associated with their long-term use, ensuring that the benefits of nanotechnology can be realized without detrimental effects on the environment (Mahakham et al., 2017;
The holistic view of how nanotechnology can revolutionize agriculture aligns with global narratives concerning food security, environmental health, and socio-economic development. With a worldwide population projected to reach 9.7 billion, agriculture must adapt to ensure sufficient food production while avoiding overexploitation of natural resources and compromising ecosystem integrity. Nanotechnology has offered significant advancements in crop yield and quality, aligning with sustainable agricultural goals by fostering environmentally responsible and economically viable practices (
Innovations made possible by nanotechnology closely resemble ecological agricultural concepts and climate-resilient practices, as they improve resource efficiency, reduce environmental pollution, and decrease dependency on traditional agrochemicals. Table 4 presents key sustainability focus areas where nanotechnology contributes to improved environmental outcomes and agricultural productivity. From innovative delivery systems that limit pesticide overuse to biodegradable nanomaterials that mitigate pollution, these technologies present compelling solutions to some of the most persistent challenges in modern agriculture. However, realizing their full potential requires addressing critical issues related to environmental safety, regulatory clarity, cost-effectiveness, and equitable access, particularly in regions dominated by smallholders.
Table 4
| Sustainability focus area | Nanotechnology innovation | Contribution to sustainability | Environmental and agricultural benefits | Challenges | References |
|---|---|---|---|---|---|
| Reduction in Pesticide Use | Nano-enabled targeted delivery systems, nanocapsules | Minimizes the overuse of conventional fungicides | Lower chemical runoff, reduced health risks, improved biodiversity | Requires formulation optimization and scale-up | Zhang et al. (2024) |
| Resource Efficiency | Smart nanocarriers, nano-fertilizer–fungicide hybrids | Increases nutrient/fungicide uptake and reduces wastage | Improved crop yield with fewer inputs (water, chemicals) | Potential cost and accessibility barriers for smallholder farmers | Yadav et al. (2023) |
| Pollution Mitigation | Biodegradable or green-synthesized nanomaterials | Replaces persistent agrochemicals with eco-friendly alternatives | Decreased soil and water contamination, safer ecosystems | Environmental degradation pathways of some nanomaterials remain unknown | Silva et al. (2021) |
| Improved Crop Resilience | Nano-priming and nano-coatings for seed and plant immunity | Enhances plant tolerance to fungal stress | Reduced need for external chemical interventions | Varies by crop type and ecological context | Kundu et al. (2024) |
| Support for Organic Farming | Nanoemulsions and bio-based nanoparticles (e.g., chitosan) | Aligns with organic principles while improving fungal control | Expanded options for organic growers, reduced post-harvest losses | Need for certification and policy clarity on nano-use in organics | Ruffo Roberto et al. (2019); Poznanski et al. (2023) |
| Long-Term Ecosystem Health | Controlled-release nanoformulations | Prevents the accumulation of excess chemicals in the environment | Promotes soil microbial health and long-term productivity | Long-term nanoparticle fate and interactions need more research |
Sustainability benefits of innovative nanotechnology for managing fungal diseases in agriculture.
6 Challenges and limitations of fungal nanotechnology in agriculture
The exciting potential of fungal nanotechnology in agriculture is matched by various challenges that must be addressed for successful implementation. The application of nanotechnology in fungal disease management faces a range of technical, regulatory, environmental, and social challenges that must be systematically addressed to ensure responsible and equitable deployment. Table 5 categorizes key limitations across these domains, highlighting issues such as high production costs, regulatory gaps, environmental persistence, and public skepticism. These barriers impact the scalability and sustainability of nano-enabled solutions, raising significant concerns about long-term safety, ecological balance, and access equity. One of the primary technical and practical challenges facing fungal nanotechnology is the scalability and cost-effectiveness of nanomaterial production. Effective deployment in agriculture requires efficient synthesis methods that can produce high-quality nanoparticles in large quantities without prohibitive costs. As highlighted by Kumar et al. (2023), the practical application of nanotechnology in agriculture relies on innovation and the development of scalable production processes that strike a balance between quality and cost efficiency.
Table 5
| Challenge category | Specific limitation | Explanation | Implications | Possible solutions | References |
|---|---|---|---|---|---|
| Technical Challenges | High production cost | Synthesis of high-purity, stable nanoparticles is often expensive and energy-intensive | Limits affordability and adoption by smallholder farmers | Promote green synthesis and low-cost fabrication techniques | Singh et al. (2023); Sundararajan et al. (2023) |
| Environmental instability | Nanomaterials may degrade or lose efficacy under field conditions (e.g., UV light, rain, pH) | Reduced field performance and inconsistent disease control | Develop formulations with improved stability and protective coatings | ||
| Delivery and targeting issues | Difficulty in achieving uniform application and precise targeting of pathogens | May lead to reduced efficacy or waste of materials | Use of innovative delivery systems and nanocarriers | Patra et al. (2018); | |
| Regulatory and Safety Concerns | Lack of standardized regulations | Absence of clear national or international guidelines for nano-agriculture | Regulatory uncertainty hinders approval and public trust | Develop coordinated policies through interdisciplinary collaboration | Kosoe et al. (2023); Kumar and Ogwu (2025) |
| Limited toxicological data | Insufficient understanding of long-term effects on humans, soil, and ecosystems | Raises safety concerns for users and consumers | Conduct comprehensive risk assessments and life cycle analyses | Sharma et al. (2022); Ogwu et al. (2025c) | |
| Environmental Impact | Persistence in ecosystems | Some nanoparticles may accumulate in soil or water and resist degradation | Disruption of microbial communities and soil health | Focus on biodegradable and eco-friendly nanomaterials | Rai et al. (2021) |
| Effects on non-target organisms | Nanoparticles may unintentionally harm pollinators, beneficial microbes, or aquatic species | Biodiversity loss and ecological imbalance | Perform targeted studies on non-target impacts and refine application methods | Yamini et al. (2023) | |
| Social and Ethical Issues | Public perception and awareness | Concerns about “nano” technologies in food production and the lack of farmer training | Hesitancy to adopt and possible market resistance | Increase public education, transparency, and stakeholder engagement | |
| Access and equity | Technological and economic disparities between high-income and low-income regions | Risk of widening global agricultural inequality | Support equitable access and international collaboration in nano-agriculture research |
Challenges and limitations of nanotechnology applications for fungal disease management in agriculture.
Furthermore, the physical and chemical stability of these nanoparticles under various environmental conditions poses a significant challenge. Factors such as UV radiation, temperature extremes, and humidity can affect the efficacy of nanomaterials in agricultural applications, creating the need for effective stabilization techniques (Tang et al., 2023). Mohanty et al. (2024) noted that without durability under such conditions, the anticipated benefits of using nanomaterials to enhance agricultural productivity could be compromised.
Consequently, the development of regulatory frameworks surrounding fungal nanotechnology is crucial, as existing regulations often fail to address the unique aspects of nanomaterials adequately. The complexity and novel properties of nanoparticles necessitate the establishment of targeted policies that incorporate comprehensive risk assessments explicitly tailored to these materials (
Furthermore, research endeavors must prioritize understanding the fate and transport of nanomaterials in agricultural systems, as highlighted by Vijayakumar et al. (2022), to effectively evaluate their potential environmental impact. An interdisciplinary approach, combining fields such as toxicology, ecology, and nanotechnology, is crucial for addressing these complex challenges directly and developing strategies to mitigate associated risks (
7.0 Stakeholder engagement, equity, and adoption pathways for nanotechnology in crop protection
7.1 Why equity and engagement matter in nanotechnology adoption for crop protection
Nanotechnology presents a transformative opportunity in agricultural science, offering innovative solutions to some of the pressing global challenges that farmers face, particularly those in low- and middle-income countries (LMICs). The efficacy of such scientific innovations hinges on their technological advancements and their ability to engage with and be inclusive of the diverse stakeholder landscape within agricultural systems. Smallholder farmers, disproportionately affected by adversities such as fungal crop diseases, represent a critical demographic that must be explicitly considered in the broader nanotechnology adoption dialogue. Despite their pivotal role in global food security, these farmers often lack direct access to the advancements that nanotechnology affords, primarily due to socio-economic barriers and entrenched inequalities (Shang et al., 2019; Khundi et al., 2025). Integrating nanotechnology into crop protection can enhance sustainability, resilience, and productivity in agriculture (Ogwu and Kosoe, 2025). This claim is supported by research indicating that nanomaterials can improve pest control and increase crop yields by efficiently delivering nutrients and pesticides (Liu et al., 2021; Singh and Kumar, 2024; Mohanty et al., 2024). However, while these technologies may offer promising results on a macro scale, they tend to perpetuate existing inequities if the most vulnerable populations, such as smallholder farmers, are not actively engaged in discussions surrounding their development and implementation (Mohanty et al., 2024;
7.2 Barriers to adoption
Several barriers hinder the adoption of nanotechnology in agriculture, particularly among smallholder farmers in LMICs. One of the most formidable obstacles is the high cost of developing and deploying nanomaterials (Kansotia et al., 2024;
Hence, despite the potential cost savings associated with improved efficiency and reduced pesticide usage, the price tag attached to these materials can discourage uptake, posing an insurmountable barrier for resource-constrained farmers (Liu et al., 2021; Kumar et al., 2023). Additionally, the limited availability of extension services and trained professionals in rural areas exacerbates the challenge of integrating nanotechnology in agriculture. Many smallholder farmers rely heavily on local extension services for information and education regarding new agricultural practices. However, these services are often inadequate or absent in many regions, resulting in a significant knowledge gap regarding nanotechnology and its potential benefits (Singh et al., 2024; Lallawmkimi et al., 2025). This has resulted in a pervasive distrust of novel technologies, as farmers are often uncertain about the implications and safety of incorporating such materials into their farming practices (Mohanty et al., 2024;
Moreover, regulatory frameworks around using and disseminating nanotechnology in agricultural products can be slow to develop, delaying the introduction of innovative solutions and creating uncertainty among farmers (
7.3 Stakeholder involvement and participatory approaches
Engaging diverse stakeholders in the research and development process is crucial for overcoming barriers to the adoption of nanotechnology in crop protection. Key stakeholders include farmers, cooperatives, extension officers, NGOs, and policymakers, all bringing unique perspectives and expertise (Singh et al., 2024). Initial stages of any technological development must prioritize participatory approaches that involve farmers directly, especially in context-sensitive regions where local knowledge and practices are invaluable. Strategies such as participatory technology design, where farmers actively contribute to creating and adapting new technologies, have shown promise in ensuring that innovations cater to actual needs rather than imposed solutions (Singh and Kumar, 2024; Tan et al., 2023). Farmer-led field trials are another effective strategy for fostering engagement and trust. Farmers can directly assess the advantages of nanotechnology applications by experimenting with them in controlled environments, which helps them make more informed decisions (Mohanty et al., 2024; Lallawmkimi et al., 2025). This farmer-centered approach builds capacity and encourages knowledge sharing within communities, enhancing overall trust in the technologies being introduced. Incorporating community feedback into product development processes is crucial for aligning these innovations with the practical realities farmers face. Solutions developed in close collaboration with end-users tend to have higher rates of acceptance and efficacy (Mohanty et al., 2024;
7.4 Equity in access to nanotechnology
Addressing equity in access to nanotechnology necessitates concerted efforts to bridge the digital divide and ensure effective technology transfer among marginalized communities. One promising avenue to foster inclusive access is the establishment of public-private partnerships to create subsidized programs that support smallholder farmers in adapting to nanotechnology (
Moreover, targeted policies focusing on gender equity in access to technological advancements are essential for ensuring that all farmers, regardless of gender, can benefit from nanotechnology. Interventions such as specialized training programs, mentorships, and financial resources tailored to women farmers can empower them to harness the benefits of these innovations and contribute to a more equitable agricultural landscape (
8 Future directions and policy recommendations for adopting nanotechnology solutions for managing fungal diseases in crops
As nanotechnology continues to revolutionize the management of plant fungal pathogens, its long-term success hinges on a strategic and inclusive roadmap that bridges scientific innovation with practical application. The future of fungal disease control will require advanced nanomaterials and delivery systems, supportive regulatory environments, robust public engagement, and cross-sector collaboration.
8.1 Advances in nanotechnology research for fungal disease control
The prospective integration of nanotechnology in combating fungal pathogens reveals significant potential, particularly in the agricultural sector, where traditional methods are proving insufficient. Novel nanomaterials, such as gold nanoparticles (AuNPs), have demonstrated promising antifungal properties by inhibiting key biological processes in pathogens like Candida albicans (Yu et al., 2016). Ongoing investigations into the mechanisms of action of these nanomaterials are crucial; for instance, AuNPs inhibit the activity of H+-ATPase, a crucial enzyme for fungal pathogenicity, demonstrating efficacy in preventing biofilm formation and host cell invasion (Yu et al., 2016). Further research is exploring other nanomaterial types, such as antimony-based compounds, which exhibit antifungal activity against resistant strains of pathogens like Cryptococcus neoformans, underscoring a broader trend toward using metal-based nanoparticles to combat multidrug-resistant fungal infections (
Future applications will likely focus on sustainably harnessing these technologies for agricultural purposes. Adopting eco-friendly nanomaterials could reduce reliance on chemical fungicides, which negatively impact environmental health and contribute to the development of resistance in fungal populations (Zaki et al., 2021). For example, the use of zinc oxide nanoparticles synthesized through biotechnological means has demonstrated efficacy in controlling soil-borne pathogens, offering a green approach to disease management in crops such as cotton (Zaki et al., 2021). As these technologies evolve, they could significantly enhance crop resilience and yield while mitigating health risks associated with conventional antifungal treatments. Collaborative efforts among researchers, agricultural stakeholders, and policymakers would be essential to facilitate the incorporation of such innovations into standard farming practices. Public health protection will become increasingly intertwined with advancements in nanotechnology. The ongoing innovations in nanoparticle therapies, particularly in combating infections caused by Candida auris, highlight a critical need for optimized therapeutic options in both clinical and agricultural settings (
8.2 Policy framework for nanotechnology in agriculture
The rapid advancements in nanotechnology necessitate the establishment of comprehensive regulatory frameworks to ensure the safe integration of nanomaterials into agricultural practices. The significant benefits that nanotechnology offers for enhancing plant disease control must be balanced with potential risks to human health and the environment (
Additionally, ongoing surveillance and monitoring practices will be necessary to assess the effectiveness and safety of these new technologies over time, particularly as pathogens evolve and resistance mechanisms emerge. Thus, these combined efforts would create a dynamic and responsive regulatory environment that could adapt to the evolving landscape of agricultural nanotechnology. Furthermore, international cooperation is crucial for developing coherent policies that address the global nature of both agricultural trade and pathogens. Global standards could facilitate the movement and adoption of innovative nanomaterials across borders while maintaining consistency in safety measures and efficacy assessments. Harmonizing these regulations can promote trust among stakeholders and consumers alike, ensuring that the implementation of nanotechnology in agriculture is conducted responsibly.
8.3 Public awareness and education on nanotechnology
Public understanding of and education about nanotechnology’s role in plant disease control are essential for the successful adoption of these innovations. Informing farmers and agricultural workers about the advantages and safe practices related to nanotechnology can empower them to make informed choices in their agricultural practices. Community engagement initiatives, encompassing workshops and training sessions, could serve as platforms to disseminate knowledge and foster dialogue about the benefits and risks associated with nanotechnology (
Moreover, the transparency of information is crucial in enhancing public trust. Stakeholders in the agricultural sector must engage in open discussions regarding the regulatory frameworks governing nanotechnology, ensuring that all stakeholders have a voice in decision-making processes. Collaborations with educators, governmental bodies, and scientists can establish a comprehensive information network that boosts public confidence in these emerging technologies. Extensive educational materials and resources should be readily available to various communities engaging with agricultural practices to foster informed decision-making. This would aid farmers in the immediate application and encourage young researchers to explore the potential of nanotechnology further. As public awareness grows, the collective acceptance and application of nanotechnology in sustainable agriculture are likely to flourish, leading to healthier crops, improved public health outcomes, and enhanced food security.
9 Conclusion
Nanotechnology holds transformative potential in managing plant fungal pathogens, marking a critical shift from traditional chemical-based approaches toward more precise, sustainable, and health-conscious solutions. This paper outlines that various nanomaterials—including metallic nanoparticles, nanocarriers, and green-synthesized formulations—exhibit potent antifungal activity through membrane disruption, oxidative stress induction, and targeted delivery. These innovations not only enhance crop protection and yield but also reduce the reliance on harmful pesticides, contributing directly to improved food safety, environmental quality, and public health outcomes. However, the promise of nanotechnology must be tempered with caution. Challenges such as scalability, regulatory gaps, environmental persistence, and the potential for unintended health impacts must be addressed through rigorous interdisciplinary research, transparent policymaking, and the development of global safety standards. Only through a balanced approach that embraces both innovation and responsibility can the full benefits of agricultural nanotechnology be realized.
In light of climate change, growing global food demands, and new disease concerns, nanotechnology is expected to have a significant impact on agriculture in the future. We preserve plant health and advance more public health objectives by incorporating nanotech solutions into eco-friendly disease prevention techniques, early disease detection platforms, and sustainable farming systems. Nanotechnology has the potential to significantly transform the way we produce, preserve, and consume food as scientific understanding and legal frameworks evolve, making the agricultural system safer, healthier, and more resilient for everyone.
Statements
Author contributions
MO: Validation, Conceptualization, Investigation, Writing – review & editing, Writing – original draft. SI: Software, Writing – review & editing, Project administration, Funding acquisition, Validation, Resources, Supervision, Writing – original draft, Formal Analysis, Methodology, Visualization, Data curation, Investigation, Conceptualization.
Funding
The author(s) declare that no financial support was received for the research, and/or publication of this article.
Conflict of interest
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Summary
Keywords
fungal pathogens, sustainable agriculture, crop protection, nanopesticides, food security, antimicrobial resistance, public health
Citation
Ogwu MC and Izah SC (2025) Nanotechnology for fungal pathogen control in crops: innovations, public health impacts, and disease prevention. Front. Fungal Biol. 6:1653214. doi: 10.3389/ffunb.2025.1653214
Received
24 June 2025
Accepted
08 August 2025
Published
01 September 2025
Volume
6 - 2025
Edited by
Ezzeldin Ibrahim, Zhejiang University, China
Reviewed by
Elsherbiny A. Elsherbiny, Mansoura University, Egypt
Jose Sebastian Davila Costa, CCT CONICET Tucuman, Argentina
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© 2025 Ogwu and Izah.
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*Correspondence: Matthew Chidozie Ogwu, ogwumc@appstate.edu
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