Genetic screening reveals microsatellite marker polymorphism across 24 rice genotypes under salinity stress, highlighting potential markers for breeding salt-tolerant cultivars.
Rice (Oryza sativa L.) is the primary food source for over a third of the world’s population. The rice production is limited by various biotic and abiotic stress factors. Of the abiotic stresses, high soil salinity, largely contributed by NaCl, is one of the major factors limiting the distribution and productivity of large crops, including rice. Looking to this problem, using molecular approaches total of 10 SSR primers of rice microsatellite were used to screen 24 genotypes of rice (Oryza sativa L.). Eight of these primers were successful in producing polymorphic as well as monomorphic alleles in 24 rice genotypes. The selected molecular markers (RM 145, RM160, RM7075 and RM 253) showed polymorphism in 24 rice cultivars.
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Vala et al. (2020) studied this question.
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