A comprehensive review on drought stress in wheat: Causes, mechanism and management practices
2025
Plant health is cornerstone for agricultue productivity and food security. Severe impacts have been observed in wheat crop including physiological, morphological and bio chemical components as a result of water insufficiency. Seedling growth aspects such as seedling length, length of primary roots, seedling dry weight, and germination percentage are also affected whenever water scarcity prevails in the soil. Early flag leaf senescence decreased the grain yield of wheat while a delay in flag leaf senescence enhanced the grain yield of wheat under drought stress. Physiological phenomena like chlorophyll content, photosynthesis rate, rate of evapotranspiration, and relative water content in wheat are affected by water scarcity in soil. Proline content, osmotic adjustment, and abscisic acid accumulations are affected in periods of water deficit in wheat. Escape, avoidance, recovery, and tolerance meachanism appear in the wheat crop to sort out drought stress. More effective and suitable drought-resistant wheat cultivars producing through advanced techniques are pivotal to combat against drought stress as well as for higher yield and sustainability purposes. In this paper we discussed the causes, mechanism and management practices of drought stress in wheat.
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