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玉米是我县种植历史悠久的旱粮主要作物之一。玉米整个生育期都可受病虫害的侵害,病虫害发生量和危害程度与气候、品种、生态环境、病原基数、栽培管理和防治等因素密切相关。如果防治不利,将造成严重影响。一般春玉米减产10%~20%,夏玉米减产
Maize is one of the main crops that have been planted in our county for a long time. The whole growth period of maize can be affected by pests and diseases. The occurrence and damage degree of pests and diseases are closely related to climate, breed, ecological environment, base of pathogen, cultivation management and prevention and control. If the prevention and treatment adversely, will have a serious impact. The general reduction of spring corn 10% to 20%, summer corn cut