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首页> 外文期刊>European Journal of Plant Pathology >Host-pathogen interaction between Phytophthora infestans and Solanum nigrum, S. villosum, and S. scabrum.
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Host-pathogen interaction between Phytophthora infestans and Solanum nigrum, S. villosum, and S. scabrum.

机译：疫霉菌和茄茄，黑夜蛾和and菌之间的宿主-病原体相互作用。

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摘要

Potato and tomato are the two major hosts for Phytophthora infestans causing late blight. The susceptibility of leaves and whole plants of Solanum nigrum, S. villosum, and S. scabrum to infection by P. infestans was tested under laboratory conditions. Out of 39 plants representing 38 different S. nigrum accessions, 16 were highly resistant (seven accessions did not show any symptoms of infection, nine were highly resistant showing necrotic lesions in the place of infection), and 23 plants of S. nigrum were colonized by, at least, 1 of the 2 isolates of P. infestans (17 accessions were infected with two P. infestans isolates, and 6 accessions showed different reactions depending on the isolate used for inoculation). Three accessions of S. villosum, and one accession of S. scabrum were tested and did not show any symptoms of infection. The majority of S. nigrum accessions infected by P. infestans in a detached leaf assay were also infected in the whole plant assay. The reaction of field- and greenhouse-grown plants to inoculation with P. infestans in detached leaf assays was similar, but in some cases leaves from field-grown plants reacted as resistant in comparison with the leaves from greenhouse-grown plants, which were susceptible.
机译：马铃薯和番茄是引起疫病晚疫病的两个主要寄主。在实验室条件下，测试了茄子，茄子和and的叶片和整株植物对感染晚疫病的敏感性。在代表38个不同黑夜病菌种的39株植物中，有16株具有高抗性（七种病菌没有表现出任何感染症状，有9株具有高抗性，表明感染部位有坏死病灶），并且有23株黑夜病菌被定殖至少通过2种致病疫霉的分离株中的1种进行感染（17个种质感染了2个致病性霉菌的分离株，根据所用的分离株，有6个种质表现出不同的反应）。测试了3种绒毛葡萄球菌和1种sc疮葡萄球菌，它们没有显示任何感染症状。在分离的叶片测定中被致病疫霉感染的大多数黑链霉菌感染物在整个植物测定中也被感染。在分离的叶片测定中，田间和温室种植的植物对感染致病疫霉的反应是相似的，但是在某些情况下，田间生长的植物的叶子与易感的温室种植的叶子相比具有抗药性。

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