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        <dc:title>Assessment of rice (Oryza sativa L.) for drought tolerance with SSR markers</dc:title>
        <dc:creator>Thakur, P</dc:creator>
        <dc:creator>Prasad, K</dc:creator>
        <dc:creator>Pande, A</dc:creator>
        <dc:creator>Kumar, S</dc:creator>
        <dc:creator>Chaudhary, V P</dc:creator>
        <dc:creator>Prasad, L C</dc:creator>
        <dc:subject>Crop Improvement</dc:subject>
        <dc:subject>Rice</dc:subject>
        <dc:description>Drought remains a major constraint in rice (Oryza sativa L.) for&#13;
productivity in rainfed environments, leading to huge economic&#13;
loss. Molecular marker technology helps in identifying genomic&#13;
regions influencing the response of yield and its components to&#13;
water deficits, which will aid in our understanding the genetics&#13;
of drought tolerance and development of more drought-tolerant&#13;
cultivars. Investigation was carried out in rain out shelter at&#13;
Birsa Agricultural University, Ranchi, Jharkhand with the aim to&#13;
identify superior F3 segregants having drought-tolerant QTLs,&#13;
from 100 randomly selected segregants of a cross between&#13;
drought-tolerant (DT) parent Birsa Gora 102 and drought-susceptible&#13;
(DS) parent BPT 5204. Check parents Vandana (DT)&#13;
and IR 20 (DS) were used. Plant height, panicle length, number&#13;
of tillers, number of effective tillers, grains per panicle, panicle&#13;
weight, seed yield per plant and test weight were the traits under&#13;
investigation. Seventeen segregants were identified as superior,&#13;
with yield higher than 7.03 g/plant. The parents were analyzed&#13;
with 19 SSR markers, out of which 14 markers were found to be&#13;
polymorphic. These polymorphic markers were used to analyze&#13;
the randomly selected segregants. None of the segregants were&#13;
found to be homozygous at entire 14 loci. Seventeen identified&#13;
segregants were found to have the drought tolerant QTLs. The&#13;
genomic regions flanked by the polymorphic markers have been&#13;
reported to be associated with several drought resistance component&#13;
traits. Hence, the segregants identified in the early generation&#13;
can be advanced further to develop drought tolerant cultivar.</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/10731/1/324.pdf</dc:identifier>
        <dc:identifier>  Thakur, P and Prasad, K and Pande, A and Kumar, S and Chaudhary, V P and Prasad, L C  (2017) Assessment of rice (Oryza sativa L.) for drought tolerance with SSR markers.  In: InterDrought-V, February 21-25, 2017, Hyderabad, India.     </dc:identifier></oai_dc:dc>
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