一种不容忽视的玉米新病害玉米全蚀病是近年来玉米生产上普遍发生的一种新病害，山东省春夏玉米都有程度不同的发生，尤其是制种田发生更严重。该病自苗期种子根侵染，不断向次生根蔓延，危及整个根部，到抽穗开花期方显症状。染病玉米自下部叶片叶尖叶缘变黄，至全叶呈黄... A New Corn Disease That Can not be Ignored Corn eclogism is a new disease commonly occurred in corn production in recent years. Spring and summer maize in Shandong Province all have different degrees of occurrence, especially in farming. The disease since the seedling root seedling infection, continue to spread to the secondary root, endanger the entire root, to the heading and flowering Fang Xian symptoms. Infected corn leaves from the lower tip of the leaves turn yellow, to the whole leaf was yellow ...