新疆莎车、和田等县发生玉米霜霉病近年在新疆莎车、和田等地发现玉米霜霉病，据查是从山东引进掖单等品种传人的。此病属系统侵染，苗期症状为心叶黄化，上部叶片扭曲，分蘖增多，一般３－５个多的达１０个，病重的枯死，造成缺苗断垄。玉米抽穗期，病株矮化，雄穗部分或... Xinjiang Shache, Hetian County corn downy mildew In Xinjiang in recent years, Shache, Wada and other places found corn downy mildew, it is found from the introduction of Yeda and other varieties from Shandong successor. The disease is a systemic infection, seedling symptoms of heart leaf yellowing, upper leaves twisted, increased tillers, generally 3-5 more than 10, dead seriously ill, resulting in lack of seedlings broken ridge. Corn heading date, diseased plants dwarf, tassel part or ...