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首页> 外文期刊>European Journal of Plant Pathology >Reaction of genotypes from several species of grain and forage legumes to infection with a French pea isolate of the oomycete Aphanomyces euteiches
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Reaction of genotypes from several species of grain and forage legumes to infection with a French pea isolate of the oomycete Aphanomyces euteiches

机译：几种谷物和牧草豆科植物的基因型对法国豌豆卵菌的Aphanomyces euteiches感染的反应

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摘要

The susceptibility/resistance to Aphanomyces euteiches of various genotypes (cultivars and breeding lines) of several grain legume species was assessed in controlled conditions. A total of 279 genotypes from the major grain legumes grown in temperate climates (faba bean, chickpea, lentil, lupin and common vetch) and three other legumes frequently cultivated in France (French bean, clover and alfalfa) were screened with one pea-infecting isolate from France. Four different categories of susceptibility/resistance were identified among the legume species/cultivars tested with the pea A. euteiches isolate: (1) susceptible legume species (lentil, alfalfa, French bean) among which low levels of partial resistance was observed; (2) legume species including susceptible genotypes and genotypes with high levels of resistance (common vetch, faba bean and clover), (3) species with a very high level of resistance (chickpea) and (4) species displaying no symptoms (lupin). It is therefore important to consider pathogen-species and pathogen-genotype interactions when defining the host specificity of A. euteiches and considering the possible role of different legume species in increasing or decreasing the soil inoculum potential.
机译：在受控条件下评估了几种谷物豆科植物物种对各种基因型（品种和育种系）对Aphanomyces euteiches的敏感性/抗性。筛选了在温带气候下生长的主要谷类豆科植物（蚕豆，鹰嘴豆，小扁豆，羽扇豆和普通紫etch菜）的279种基因型，以及在法国经常种植的其他三种豆科植物（法国豆，三叶草和苜蓿）的一种基因型。从法国分离。在用豌豆A测试的豆类物种/品种中鉴定出四种不同的敏感性/抗性：（1）易感的豆类物种（小扁豆，苜蓿，法国豆），观察到较低的部分抗性水平; （2）豆类物种，包括易感基因型和具有高抗性水平的基因型（常见v子，蚕豆和三叶草），（3）具有高抗性水平的物种（鹰嘴豆）和（4）无症状（羽扇豆）的物种。因此，重要的是在定义红曲霉的宿主特异性并考虑不同豆类物种在增加或减少土壤接种潜力方面的可能作用时，应考虑病原体种类和病原体基因型的相互作用。

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