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Review ARTICLE Provisionally accepted The full-text will be published soon. Notify me

Front. Plant Sci. | doi: 10.3389/fpls.2019.01336

Potential Mechanisms of Abiotic Stress Tolerance in Crop Plants Induced by Thiourea

  • 1Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, China
  • 2Department of Soil Science and Plant Nutrition, Faculty of Agriculture, Harran University, Turkey
  • 3Institute of Biotechnology (CAAS), China

Abiotic stresses, such as temperature extremes, drought, salinity, and heavy metals are major factors limiting crop productivity and sustainability worldwide. Abiotic stresses disturb plant growth and yield formation. Several chemical compounds, known as plant growth regulators (PGRs), modulate plant responses to biotic and abiotic stresses at the cellular, tissue and organ levels. Thiourea (TU) is an important synthetic PGR containing nitrogen (36%) and sulfur (42%) that has gained wide attention for its role in plant stress tolerance. Tolerance against abiotic stresses is a complex phenomenon involving an array of mechanisms, and TU may modulate several of these. An understanding of TU-induced tolerance mechanisms may help improve crop yield under stress conditions. However, the potential mechanisms involved in TU-induced plant stress tolerance are still elusive. In this review, we discuss the essential role of TU-induced tolerance in improving performance of plants growing under abiotic stresses and potential mechanisms underlying TU-induced stress tolerance. We also highlight the exploitation of new avenues critical in TU-induced stress tolerance.

Keywords: heat, cold, heavy metal, drought, Salinity, Antioxidants, osmolytes biosynthesis, Climate Change

Received: 18 Apr 2019; Accepted: 25 Sep 2019.

Copyright: © 2019 Waqas, Kaya, Riaz and Li. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

* Correspondence:
Prof. Cengiz Kaya, Department of Soil Science and Plant Nutrition, Faculty of Agriculture, Harran University, Sanliurfa, Turkey, c_kaya70@yahoo.com
Prof. Yu’e Li, Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, China, liyue@caas.cn