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        <dc:title>Deciphering the genetic basis of root morphology, nutrient uptake, yield, and yield-related traits in rice under dry direct-seeded cultivation systems</dc:title>
        <dc:creator>Sandhu, N</dc:creator>
        <dc:creator>Subedi, S R</dc:creator>
        <dc:creator>Singh, V K</dc:creator>
        <dc:creator>Sinha, P</dc:creator>
        <dc:creator>Kumar, S</dc:creator>
        <dc:creator>Singh, S P</dc:creator>
        <dc:creator>Ghimire, S K</dc:creator>
        <dc:creator>Pandey, M</dc:creator>
        <dc:creator>Yadaw, R B</dc:creator>
        <dc:creator>Varshney, R K</dc:creator>
        <dc:creator>Kumar, A</dc:creator>
        <dc:subject>Rice</dc:subject>
        <dc:subject>South Asia</dc:subject>
        <dc:subject>Genetics and Genomics</dc:subject>
        <dc:description>In the face of global water scarcity, a successful transition of rice cultivation from puddled to dry direct-seeded rice (DDSR) is a future need. A genome-wide association study was performed on a complex mapping population for 39 traits: 9 seedling-establishment traits, 14 root and nutrient-uptake traits, 5 plant morphological traits, 4 lodging resistance traits, and 7 yield and yield-contributing traits. A total of 10 significant marker-trait associations (MTAs) were found along with 25 QTLs associated with 25 traits. The percent phenotypic variance explained by SNPs ranged from 8% to 84%. Grain yield was found to be significantly and positively correlated with seedling-establishment traits, root morphological traits, nutrient uptake-related traits, and grain yield-contributing traits. The genomic colocation of different root morphological traits, nutrient uptake-related traits, and grain-yield-contributing traits further supports the role of root morphological traits in improving nutrient uptake and grain yield under DDSR. The QTLs/candidate genes underlying the significant MTAs were identified. The identified promising progenies carrying these QTLs may serve as potential donors to be exploited in genomics-assisted breeding programs for improving grain yield and adaptability under DDSR.</dc:description>
        <dc:publisher>Springer Nature Publishing</dc:publisher>
        <dc:date>2019-06</dc:date>
        <dc:type>Article</dc:type>
        <dc:type>PeerReviewed</dc:type>
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        <dc:language>en</dc:language>
        <dc:identifier>http://oar.icrisat.org/11255/1/s41598-019-45770-3.pdf</dc:identifier>
        <dc:identifier>  Sandhu, N and Subedi, S R and Singh, V K and Sinha, P and Kumar, S and Singh, S P and Ghimire, S K and Pandey, M and Yadaw, R B and Varshney, R K and Kumar, A  (2019) Deciphering the genetic basis of root morphology, nutrient uptake, yield, and yield-related traits in rice under dry direct-seeded cultivation systems.  Scientific Reports (TSI), 9 (1) (9334).  pp. 1-16.  ISSN 2045-2322     </dc:identifier>
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