CP20033Effects, tolerance mechanisms and management of salt stress in lucerne (Medicago sativa)
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Growth, development and dry matter production of lucerne are affected by salt stress, which decreases seed germination, carbon fixation, light harvesting, biological N2 fixation, mineral uptake and assimilation and dry-matter accumulation. A comprehensive strategy involving existing genetic resources, exploiting new sources to create new variation, and a breeding approach involving many traits instead of just one is needed. Recent advances in the fields of biotechnology and genomics involving the identification of salt-conferring genes and quantitate trait loci will help to improve salt tolerance in lucerne.