USEFULNESS OF SINGLE GENE LEAF RUST RESISTANT LINES AND SOME WHEAT CULTIVARS FOR GENETIC-STUDIES IN INDIA

被引：0
|
作者：
SODHI, YS
GUPTA, AK
SAINI, RG
机构：
来源：
CEREAL RESEARCH COMMUNICATIONS | 1992年 / 20卷 / 1-2期
关键词：
WHEAT; LEAF RUST; PUCCINIA-RECONDITA;
D O I：
暂无
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
Usefulness of single gene leaf rust resistant lines in Thatcher and Prelude backgrounds and cultivars Transec (Lr25), Federation (+Lr26) and Gatcher (Lr27+Lr31) for genetic studies in India was studied against a highly avirulent leaf rust culture at three different temperatures. Lines with the genes Lr2c, Lr12, Lr14b, Lr17, Lr18, Lr21, Lr22a, and Lr30 in Thatcher background and cultivar Thatcher (Lr22b) gave infection types (Irs) varying from ; to 33+ at 15-degrees-C, 20-degrees-C and 25-degrees-C. It is therefore, suggested that in India, the single gene lines in Thatcher and Prelude backgrounds should be used for genetic studies only after evaluating their temperature sensitivity against specific leaf rust cultures.
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页码：49 / 53
页数：5
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