Abstract
Cereal crops are the major contributors to the global dietary intake of nutrients, and therefore, grain quality is an important trait for crop improvement. Grain quality in cereals is strongly influenced by genotype and environmental factors. Drought stress alone significantly reduces grain yield and quality of cereal crops worldwide. The present paper discusses the impact of drought on qualitative traits of cereal crops and suggests strategies to enhance grain quality. Drought significantly affects the nutritional properties and quality traits of crops by modifying morphological, physiological, and biochemical traits in plants. This understanding may help plant breeders in developing drought-tolerant varieties while maintaining the desired quality characteristics. Various management techniques have been suggested to enhance grain quality of crops under harsh environments. Among those, exogenous application of potential osmoprotectants (OSP) alone or in combination with soil organic amendments is a promising approach to alleviate drought stress and could be helpful in ameliorating the harmful effects of drought stresses on crop quality.
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