叶片是果树营养物质的制造器官,保护好叶片,是果树丰产的基础。在葡萄生长季节,有时会发生叶片枯焦,轻者叶片的边缘或部分干枯,重者整片叶发生枯焦,形成早期落叶。叶片桔焦受损后,光合作用面积减小,直接影响葡萄的生长结果。引起葡萄叶片枯焦的原因较多,根据三年多的观察,现将葡萄叶片枯焦的原因和防治方法综述如下: Leaves of fruit trees is the manufacture of nutrients, protect the leaves, is the basis for fruit trees yield. In the grapes growing season, leaf blight sometimes occurs, light the edge of the leaves or part of the dry, severe whole leaf blight, the formation of early deciduous. After the damage of the orange coke leaves, photosynthesis area decreases, the direct impact on grape growth results. Caused by grape leaves Kujiao more reasons, according to more than three years of observation, the reasons for grape leaves Kujiao and prevention methods are summarized as follows: