INTROGRESSION OF LEAF-BLIGHT RESISTANCE FROM ALLIUM-ROYLEI STEARN INTO ONION (ALLIUM-CEPA L)

被引：32
|
作者：
DEVRIES, JN
WIETSMA, WA
DEVRIES, T
机构：
[1] DLO-Centre for Plant Breeding and Reproduction Research CPRO-DLO, Wageningen, 6700 AA
来源：
EUPHYTICA | 1992年 / 62卷 / 02期
关键词：
ALLIUM-CEPA; ALLIUM-ROYLEI; LEAF BLIGHT; BOTRYTIS-SQUAMOSA; DOWNY MILDEW; PERONOSPORA-DESTRUCTOR; INTROGRESSION; LINKAGE; RESISTANCE;
D O I：
10.1007/BF00037938
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
Segregation analysis in BC1 and F2 progenies from interspecific hybrids between Allium roylei and A. cepa demonstrated that leaf blight resistance is conditioned by one single dominant gene from A. roylei. This gene, designated Bs1, was unlinked to the genes Pd1 and Pd2 determining downy mildew resistance. The prospects of exploiting A. roylei as a source for disease resistances in onion breeding are very promising.
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页码：127 / 133
页数：7
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