Numerous maculas(sporopycnidium) scattered out from the surface were observed which lead to the stalks broken and the whole plant wilt.
英
美
叶部发病多从边缘或尖端出现水浸状斑点,后扩大为暗褐色、近圆形大斑,病斑边缘与健部无明显界限;
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英 汉