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Resistance of winter wheat cultivars to eyespot and characterisation of causal agents of the disease

机译：冬小麦品种对眼斑的抗性和该病的病原体特征

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The reaction of ten winter wheat cultivars grown in the Czech Republic to inoculation with Oculimacula yallundae and Oculimacula acuformis was evaluated in a small plot trial. In a parallel field trial the natural occurrence of stem-base disease complex in six of the tested cultivars was assessed. Lower severity of eyespot (and/or stem-base diseases) was observed in cultivars possessing the resistance gene Pch1 (cvs Hermann, Annie, Princeps, Manager, and Rebell) in plots inoculated with Oculimacula spp. as well as in natural field conditions. A total of 468 wheat stem bases from the Czech Republic was screened by PCR to study the frequency of eyespot causal agents. The plants were colonised significantly more often by both species Oculimacula yallundae and O. acuformis together than separately.
机译：在一项小规模试验中，评估了捷克共和国种植的10个冬小麦品种对yulundae yallundae和Acuformis的接种的反应。在平行田间试验中，评估了六个测试品种中茎基疾病复合体的自然发生率。在接种了Oculimacula spp的样地中，在具有抗性基因Pch1的品种（cvs Hermann，Annie，Princeps，Manager和Rebell）中观察到了眼点（和/或茎基疾病）的严重程度降低。以及自然条件下通过PCR筛选了来自捷克共和国的总共468个小麦茎基地，以研究眼点病因的频率。这些植物被Oculimacula yallundae和A. acuformis一起显着更多地定植，而不是分别定植。

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