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        <dc:title>Enhancing drought tolerance in chickpea using genomics approaches</dc:title>
        <dc:creator>Thudi, M</dc:creator>
        <dc:creator>Gaur, P M</dc:creator>
        <dc:creator>Krishnamurthy, L</dc:creator>
        <dc:creator>Samineni, S</dc:creator>
        <dc:creator>Varshney, R K</dc:creator>
        <dc:subject>Drought Tolerance</dc:subject>
        <dc:subject>Chickpea</dc:subject>
        <dc:subject>Drought</dc:subject>
        <dc:subject>Genetics and Genomics</dc:subject>
        <dc:description>Terminal drought is one of the major constraints in chickpea&#13;
(Cicer arietinum L.) leading to more than 50% production losses.&#13;
To overcome these production losses due to drought, a&#13;
range of translational genomics approaches are being used in&#13;
chickpea breeding to develop improved chickpea varieties for&#13;
enhancing food and nutritional security in developing countries&#13;
in the context of climate change. For understanding the complex&#13;
nature of drought tolerance, precise phenotypic data (20&#13;
drought component traits evaluated in one to seven seasons&#13;
at one to five locations in India on two intra-specific mapping&#13;
populations - ICC 4958 × ICC 1882 and ICC 283 × ICC 8261)&#13;
together with extensive genotyping data was analyzed. As a&#13;
result, nine QTL clusters containing QTLs for several drought&#13;
tolerance traits have been identified, which can be targeted for&#13;
molecular breeding. Among these clusters, one cluster harbouring&#13;
48% robust M-QTLs for 12 traits and explaining about&#13;
58.20% phenotypic variation present on CaLG04 has been&#13;
referred as “QTL-hotspot”. This genomic region contains seven&#13;
SSR markers (ICCM0249, NCPGR127, TAA170, NCPGR21, TR11,&#13;
GA24 and STMS11). This QTL region has been introgressed&#13;
in several leading varieties (e.g. JG 11, Chefe, KAK2) by using&#13;
marker-assisted backcrossing (MABC) approach. Multi-location&#13;
evaluation of these MABC lines provided several lines that&#13;
have up to 24% higher yield than the recurrent parents. Introgression&#13;
of this region into other elite cultivars will enhance&#13;
production and productivity in chickpea.</dc:description>
        <dc:date>2017-02</dc:date>
        <dc:type>Conference or Workshop Item</dc:type>
        <dc:type>PeerReviewed</dc:type>
        <dc:format>application/pdf</dc:format>
        <dc:language>en</dc:language>
        <dc:identifier>http://oar.icrisat.org/10243/1/Abstract_Book_39.pdf</dc:identifier>
        <dc:identifier>  Thudi, M and Gaur, P M and Krishnamurthy, L and Samineni, S and Varshney, R K  (2017) Enhancing drought tolerance in chickpea using genomics approaches.  In: InterDrought-V, February 21-25, 2017, Hyderabad, India.     </dc:identifier></oai_dc:dc>
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