Genetics of adult plant stripe rust resistance in CSP44, a selection from Australian wheat

Journal of genetics

R. G. Saini1¹  U. K. Bansal¹  Renu Khanna¹ 

[1] Department of Plant Breeding, Genetics and Biotechnology, Punjab Agricultural University, Ludhiana 141 004, India$$

关键词: stripe rust;    Puccinia striiformis;    wheat;    nonhypersensitive resistance;    durable resistance.;   

DOI  :  

学科分类：生物科学（综合）

来源: Indian Academy of Sciences

【 摘 要 】

Wheat line CSP44, a selection from an Australian bread wheat cultivar Condor, has shown resistance to stripe rust in India since the last twenty years. Seedlings and adult plants of CSP44 showed susceptible infection types against stripe rust race 46S119 but displayed average terminal disease severity of 2.67 on adult plants against this race as compared to 70.33 of susceptible Indian cultivar, WL711. This suggests the presence of nonhypersensitive adult plant stripe rust resistance in the line CSP44. The evaluation of F1, F2 and F3 generations and F6 SSD families from the cross of CSP44 with susceptible wheat cultivar WL711 for stripe rust severity indicated that the resistance in CSP44 is based on two genes showing additive effect. One of these two genes is Yr18 and the second gene is not yet described.

【 授权许可】

Unknown