Exploring the Genotype-Dependent Toolbox of Wheat under Drought Stress

Valya Vassileva (), Mariyana Georgieva, Grigor Zehirov and Anna Dimitrova
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Valya Vassileva: Department of Molecular Biology and Genetics, Laboratory of Regulation of Gene Expression, Institute of Plant Physiology and Genetics, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
Mariyana Georgieva: Department of Molecular Biology and Genetics, Laboratory of Regulation of Gene Expression, Institute of Plant Physiology and Genetics, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
Grigor Zehirov: Department of Plant Ecophysiology, Laboratory of Plant-Soil Interactions, Institute of Plant Physiology and Genetics, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
Anna Dimitrova: Department of Molecular Biology and Genetics, Laboratory of Regulation of Gene Expression, Institute of Plant Physiology and Genetics, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria

Agriculture, 2023, vol. 13, issue 9, 1-24

Abstract: Drought stress imposes substantial constraints on the growth and production of wheat ( Triticum aestivum L.), a globally important cereal crop essential for food security. To mitigate these adverse effects, researchers are intensifying their efforts to comprehend how different genotypes respond to drought stress, aiding in the development of sustainable breeding and management strategies. This review summarizes past and recent research on genotype-dependent responses of wheat plants to drought stress, encompassing morphological, physiological, biochemical, molecular, genetic, and epigenetic reactions. Screening drought-affected features at early developmental stages can provide valuable insights into the late growth stages that are closely linked to plant productivity. This review underscores the importance of identifying traits associated with drought resistance, and the potential of leveraging wheat diversity to select cultivars with desirable agronomic characteristics. It also highlights recent advancements in investigating Bulgarian wheat genotypes with varying levels of drought tolerance, specifically in detecting essential features contributing to drought tolerance. Cultivating drought-resistant wheat genotypes and understanding stress stability determinants could markedly contribute to enhancing wheat production and ensuring stable yields under changing climate conditions.

Keywords: drought stress; wheat genotypes; drought-resistant cultivars; genotype-dependent responses; wheat diversity (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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