Abstract
Genetic basis of adult plant leaf rust resistance in three released Indian wheat cultivars viz. DWR195, RAJ3765 and HP1731 was investigated through detailed inheritance study under controlled polythene house condition at Flowerdale, India. The F2, F3, F4 and F5 generations were analyzed with the most frequent and virulent Indian leaf rust pathotype 121R63-1. Two complementary recessive genes imparted resistance in DWR195, two complementary dominant genes governed the resistance of RAJ3765 whereas two independent dominant genes were involved in the resistance of HP1731. The genes responsible for adult plant resistance in the three cultivars were not allelic. The two complementary genes of DWR195 and two independent dominant genes of HP1731 have been isolated as single gene lines. Utilization of resistance from HP1731, which carries two independent dominant genes, will be easy as compared to DWR195 and RAJ3765.
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Acknowledgement
The authors are grateful to the Project Director, DWR, Karnal and National Agricultural Technology Project for providing facility and financial support, respectively to carry out studies on wheat rust genetics.
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Datta, D., Prashar, M., Bhardwaj, S.C. et al. Genetic analysis of adult plant leaf rust resistance in three bread wheat (Triticum aestivum L.) cultivars. Euphytica 154, 75–82 (2007). https://doi.org/10.1007/s10681-006-9271-8
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DOI: https://doi.org/10.1007/s10681-006-9271-8