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Journal of Pharmacognosy and Phytochemistry

Journal of Pharmacognosy and Phytochemistry

Vol. 10, Special Issue 1 (2021)

Screening of QTL pyramided rice lines for thermotolerance by thermal induction response (TIR) technique

Author(s):

Withanawasam DM, Madhavilatha K, Syamala P, Aparna E, Swarajyalakshmi BN, Vinod MN, Amarnath K, Ramana Rao PV, Sudhakar P, Ravindra Reddy B and Lakshminarayana R Vemireddy

Abstract:
High temperature resulted from global warming will be one of a major issue for sustainable rice productivity across the world. Varietal improvement through marker-assisted QTL pyramiding and precise phenotyping are alternatives for supplying future rice demand. In this study, 29 rice QTL pyramided lines with qSSPF10 and qHT6 derived from IR64/N22 cross was screened by temperature induction response (TIR) technique for their thermotolerance. Of these PLs, PL405, PL352, PL81, PL425 and PL76 had shown better thermotolerance. QTL pyramiding with a precise screening of segregants by TIR can be used as techniques for improvement of thermotolerance rice varieties.

Pages: 401-405  |  731 Views  237 Downloads

How to cite this article:
Withanawasam DM, Madhavilatha K, Syamala P, Aparna E, Swarajyalakshmi BN, Vinod MN, Amarnath K, Ramana Rao PV, Sudhakar P, Ravindra Reddy B and Lakshminarayana R Vemireddy. Screening of QTL pyramided rice lines for thermotolerance by thermal induction response (TIR) technique. J Pharmacogn Phytochem 2021;10(1S):401-405.

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