Journal
HORTICULTURAE
Volume 9, Issue 1, Pages -Publisher
MDPI
DOI: 10.3390/horticulturae9010001
Keywords
lentil; drought stress; breeding; omics; biotechnological approaches; agronomic interventions; speed breeding; marker-assisted selection
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Lentil is a sustainable source of important nutrients and plays a crucial role in food and nutritional security. However, drought stress poses a major threat to lentil growth and development, affecting germination, photosynthesis, water relations, and overall yield. Conventional breeding programs have identified drought-resistant sources, but modern biotechnological tools can help decipher the genetic basis of drought tolerance in lentil. Additionally, cost-effective and eco-friendly agronomic practices can mitigate the negative effects of drought stress and improve lentil productivity in dry areas.
Lentil plays an important role for food and nutritional security. It is a sustainable source of protein, zinc, iron, prebiotic carbohydrates, and diverse health-promoting nutrients. This crop is widely cultivated in semi-arid marginal areas and exposed to various environmental stressors. Drought stress is the major abiotic stress that causes serious effects on lentil growth and development. Thus, it is imperative to set up innovative and sustainable solutions to reduce the adverse effects of drought on lentil crop. In this review, the agro-morphological, physiological, and biochemical effects of drought on lentil were highlighted. Furthermore, breeding and agronomic interventions to improve lentil performance in drought-prone environments were also discussed. Overall, drought disturbs lentil germination, photosynthesis, water relations, shoot and root growth, thereby reducing final yield. Conventional breeding programs have identified several sources of drought tolerance; however, modern biotechnological tools could be adopted to decipher the genetic architecture of drought tolerance in lentil to accelerate the genetic progress. Cost-affordable and eco-friendly agronomic practices may also contribute to minimize the negative consequences of drought stress. Smart exploitation of breeding approaches and agronomic practices could help overcome drought, improve lentil productivity, and increase the profitability of farmers in dry areas.
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