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        <dc:title>Screening groundnut genotypes using TIR (Temperature Induction Response) technique for thermotolerance</dc:title>
        <dc:creator>Rekha Rani, K</dc:creator>
        <dc:creator>Latha, P</dc:creator>
        <dc:creator>Sujatha, K</dc:creator>
        <dc:creator>Vasanthi, R P</dc:creator>
        <dc:creator>Janila, P</dc:creator>
        <dc:creator>Usha, R</dc:creator>
        <dc:subject>Abiotic Stress</dc:subject>
        <dc:subject>Groundnut</dc:subject>
        <dc:subject>Genetics and Genomics</dc:subject>
        <dc:description>Heat is one of the major abiotic stresses that adversely affect&#13;
crop production worldwide at different stages of development.&#13;
Groundnut is a major crop cultivated in tropical and sub-tropical&#13;
regions where high temperature stress is a serious constraint&#13;
for its production. In the present study, temperature induction&#13;
response (TIR) was conducted for screening the tolerant genotypes,&#13;
where the seedlings were exposed to sublethal temperature&#13;
from 34ºC-54ºC for 4 hours 30 minutes followed by lethal&#13;
temperature at 58ºC for 3 hours. From the 100 diverse genotypes&#13;
screened, 24 showed tolerance to high temperature with mean&#13;
percent seedling survival of 92%, 30 showed moderate tolerance&#13;
and 46 were identified as temperature susceptible compared&#13;
with checks (100% survival). Results suggested that TIR is used&#13;
to identify stable thermotolerant genotypes and could be explored&#13;
as donor source useful in breeding programmes. Further&#13;
work will be focused on the physiological and molecular basis of&#13;
thermotolerance in selected tolerant and susceptible genotypes&#13;
for the identification of heat stress tolerant genes which could&#13;
be useful for engineering plants with improved heat tolerance.</dc:description>
        <dc:date>2017-02</dc:date>
        <dc:type>Conference or Workshop Item</dc:type>
        <dc:type>PeerReviewed</dc:type>
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        <dc:language>en</dc:language>
        <dc:identifier>http://oar.icrisat.org/10713/1/Screening%20groundnut%20genotypes%20using%20TIR%20%28Temperature%20Induction%20Response%29.pdf</dc:identifier>
        <dc:identifier>  Rekha Rani, K and Latha, P and Sujatha, K and Vasanthi, R P and Janila, P and Usha, R  (2017) Screening groundnut genotypes using TIR (Temperature Induction Response) technique for thermotolerance.  In: InterDrought-V, February 21-25, 2017, Hyderabad, India.     </dc:identifier></oai_dc:dc>
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