Abstract
To identify microsatellite markers associated with root traits for drought tolerance in rice (Oryza sativa L.) a study was conducted at Department of Plant Physiology, College of Agriculture, Trivandrum, Kerala Agricultural University. A set of thirty-five rice genotypes were exposed to water stress and evaluated for physio-morphological components as indices of water stress tolerance. Observations were made on leaf rolling score and root traits, especially the root length, root dry weight, root volume and root shoot ratio at booting stage. As of the data obtained, ten tolerant and ten susceptible varieties were selected for bulk line analysis to identify the DNA markers linked with target gene conferring drought tolerance. Out of 150 SSR primers screened, RM474 showed polymorphism between the tolerant and susceptible bulks. Individual genotypes of the bulks also showed the same product size of the respective tolerant and susceptible bulks.
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The article is based on M. Sc. (Ag.) programme of the first author and the financial support from Kerala Agricultural University is gratefully acknowledged.
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Rejeth, R., Manikanta, C.L.N., Beena, R. et al. Water stress mediated root trait dynamics and identification of microsatellite markers associated with root traits in rice (Oryza sativa L.). Physiol Mol Biol Plants 26, 1225–1236 (2020). https://doi.org/10.1007/s12298-020-00809-y
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DOI: https://doi.org/10.1007/s12298-020-00809-y