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 (1)病原:Xanthomonascampestrispv.vesicatoria(Doidge)Dye.,稱野油菜單胞菌辣椒斑點病致病型,屬細菌。(2)癥狀:葉片、莖蔓、果實均可受害。葉片發(fā)病出現(xiàn)許多近圓形褐色水浸狀斑點,常有暈圈。莖蔓感病出現(xiàn)長條形或不規(guī)則形病斑,后期病斑常開裂 (共 394 字) [閱讀本文] >>
海量資源,盡在掌握
 (1)病原:Xanthomonascampestrispv.vesicatoria(Doidge)Dye.,稱野油菜單胞菌辣椒斑點病致病型,屬細菌。(2)癥狀:葉片、莖蔓、果實均可受害。葉片發(fā)病出現(xiàn)許多近圓形褐色水浸狀斑點,常有暈圈。莖蔓感病出現(xiàn)長條形或不規(guī)則形病斑,后期病斑常開裂 (共 394 字) [閱讀本文] >>