Mapping QTLs for resistance against Globodera pallida (Stone) Pa2/3 in a diploid potato progeny originating from Solanum spegazzinii

被引:38
作者
Caromel, B. [1 ]
Mugniery, D. [2 ]
Lefebvre, V. [1 ]
Andrzejewski, S. [1 ]
Ellisseche, D. [3 ]
Kerlan, M. C. [3 ]
Rousselle, P. [1 ]
Rousselle-Bourgeois, F. [1 ]
机构
[1] INRA, Unite Genet & Ameliorat Fruits & Legumes, F-84143 Montfavet, France
[2] INRA, Unite Biol Organismes & Populat Appl Protect Plan, F-35653 Le Rheu, France
[3] INRA, Stn Ameliorat Pomme Terre & Plantes Bulbes, F-29260 Ploudaniel, France
关键词
Solanum tuberosum; Potato cyst nematode; QTL; Resistance; Genetic mapping;
D O I
10.1007/s00122-003-1211-6
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
A "F1" diploid population between Solanum tuberosum 2x and the wild Solanum spegazzinii was studied. It segregated for resistance against the potato cyst nematode Globodera pallida derived from the wild species. The inheritance had a quantitative nature. Linkage maps of AFLP and RFLP markers were constructed for both parents. Three QTLs were identified on the map of the resistant parent on chromosomes V, VI and XII, respectively. The first one had a major effect and explained more than 50% of the total variance of resistance. It is located in a cluster of resistance genes and may be the same locus as Gpa which has been described formerly. The two others explained about 20% of the total variance each. The QTL on chromosome XII is also in a cluster of resistance genes, and in an orthologous position with resistance genes against nematodes in tomato and pepper.
引用
收藏
页码:1517 / 1523
页数:7
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