EFFECT OF DROUGHT STRESS AND MANAGEMENT IN WHEAT - A REVIEW
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Wheat is a major cereal crop in the world. However, drought stress causes a severe loss in the productivity of wheat in different growing regions worldwide. Water deficit at the critical stage of the wheat growth causes a significant loss in yield of wheat. Drought stress affects every aspect of wheat growth from germination to maturity. Drought stress hampers different metabolic processes in the plant. It reduces chlorophyll content and photosynthesis in the leaf. It increases the production and accumulation of reactive oxygen species (ROS) which affects the various cellular mechanisms and also causes oxidative damage to RNA and DNA. Production of appropriate wheat genotype along with the adjustment of agronomic practices like efficient use of irrigation water, changing the sowing time and seed priming helps to minimize the effect of drought. Here in this review various effects of drought stress in wheat and its management options are discussed in brief.