CHARACTERIZATION AND ORIGIN OF RUST AND POWDERY MILDEW RESISTANCE GENES IN VPM1 WHEAT

被引:65
作者
BARIANA, HS [1 ]
MCINTOSH, RA [1 ]
机构
[1] UNIV SYDNEY,INST PLANT BREEDING,COBBITTY,NSW 2570,AUSTRALIA
关键词
STRIPE RUST; STEM RUST; LEAF RUST; POWDERY MILDEW; COMMON WHEAT; ENVIRONMENTAL EFFECTS; PUCCINIA STRIIFORMIS; PUCCINIA GRAMINIS; PUCCINIA RECONDITA; ERYSIPHE GRAMINIS; TRITICUM AESTIVUM;
D O I
10.1007/BF00024020
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
The expression of rust resistances conferred by closely linked genes derived from VPM1 varied with environmental conditions and with genetic backgrounds. Under low light and low temperature conditions seedlings carrying Yr17 showed susceptible responses. Stem rust and leaf rust resistance genes Sr38 and Lr37 tended to confer more resistance at 17 +/- 2 degrees C than at normal temperatures above > 20 degrees C. These studies supported the hypothesis that Yr17, Lr37 and Sr38 were derived from Aegilops ventricosa, whereas Pm4b was probably derived from T. persicum. Studies on certain addition lines and parental stocks indicated that wheat cytoplasm may enhance the expression of Sr38.
引用
收藏
页码:53 / 61
页数:9
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