WildSolanum species as resistance sources against different pathogens of potato

被引：0
|
作者：
J. I. Ruiz de Galarreta
A. Carrasco
A. Salazar
I. Barrena
E. Iturritxa
R. Marquinez
F. J. Legorburu
E. Ritter
机构：
[1] Centro de Investigación y Mejora Agraria,
来源：
Potato Research | 1998年 / 41卷
关键词：
virus; late blight; cyst nematodes;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Resistance screenings againstPhytophthora infestans, Globodera pallida Pa2/3 and the viruses PVYN, PLRV, PVM and PVS were performed in 98 accessions belonging to 90Solanum wild species. Seventy accessions showed resistance or partial resistance to one or several of these pathogens. Among themS. brachistotrichum exhibited combined resistance to nematodes, late blight and some of the viruses evaluated. Only part of the resistances previously found in different wild species could be confirmed, which might be due to the existing variability within species, the use of different pathogen strains or isolates, or to different methodologies for resistance screening. Several new resistance sources, such asS. andreanum, S. maglia. S. doddsii andS. boliviense, are provided for the different pathogens analyzed. These findings demonstrate that within the gene pool ofSolanum species, still numerous but in part unexploited resistances are available which could be favourably used in potato breeding.
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页码：57 / 68
页数：11
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