RFLP AND RAPD MAPPING OF THE SUNFLOWER P/1 LOCUS FOR RESISTANCE TO PLASMOPARA-HALSTEDII RACE-1

被引:57
|
作者
MOUZEYAR, S
ROECKELDREVET, P
GENTZBITTEL, L
PHILIPPON, J
DELABROUHE, DT
VEAR, F
NICOLAS, P
机构
[1] UNIV CLERMONT FERRAND,INRA,UNITE ASSOCIEE ORG & VARIABIL GENOMES VEGETAUX,F-63038 CLERMONT FERRAND,FRANCE
[2] INRA,F-63039 CLERMONT FERRAND,FRANCE
[3] GIE CASTISOL,F-63038 CLERMONT FERRAND,FRANCE
关键词
HELIANTHUS ANNUUS; PLASMOPARA HALSTEDII; DISEASE RESISTANCE; BULKED SEGREGANT ANALYSIS; MOLECULAR MARKERS;
D O I
10.1007/BF00220951
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
The Pl1 locus in sunflower, Helianthus annuus L., conferring resistance to downy mildew, Plasmopara halstedii, race 1 has been located in linkage group 1 of the consensus RFLP map of the cultivated sunflower. Bulked segregant analyses were used on 135 plants of an F-2 progeny from a cross between a downy mildew susceptible line, GH, and RHA266, a line carrying Pl1. Two RFLP markers and one RAPD marker linked to the Pl1 locus have been identified, The RFLP markers are located at 5.6 cM and 7.1 cM on either side of Pl1, The RAPD marker is situated at 43.7 cM from Pl1. The significance and applications of these markers in sunflower breeding are discussed.
引用
收藏
页码:733 / 737
页数:5
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