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Genetic basis of resistance to leaf rust of wheat in the Indian sub-continent



Genetic basis of resistance to leaf rust of wheat in the Indian sub-continent



Crop Improvement 20(2): 131-138



One hundred and four wheats collected from different parts of the world along with twelve single gene leaf rust resistant lines with known genes were tested for their seedling and field reaction against 77A, 77-1 and 77-2 of race 77 to study the role of Lr1, Lr3, Lr10, Lr13, Lr14a, Lr16, Lr17, Lr23, Lr26 and Lr34 in conferring leaf rust resistance when present singly or in different combinations. Genes Lr1, Lr10, Lr13, Lr14a, Lr17, Lr23 and Lr26 were not useful singly as well as in combination. Leaf rust resistance of cultivars VL404, Tobari 66, BW11, Era, Chris and Shailaja appeared to be due to Lr34. Resistant wheats have undescribed adult plant leaf rust resistance genes operative under field conditions.

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Accession: 002390468

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