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苹果树病虫害的自然控制李夏鸣，郭黄萍，郭拴凤，徐宇新（山西省农科院果树研究所·太谷·０３０８００）苹果树病虫害种类很多，尤其是腐烂病、早期落叶病、桃小食心虫、山楂红蜘蛛、苹小卷叶娥等主要种类，常造成果品生产的巨大损失。因此，必须认真贯彻“预防为主，综...
Natural Control of Pest and Diseases in Apple Trees LI Xiaoming, GUO Huangping, GUO Shuanfeng, XU Yuxin (Institute of Pomology, Shanxi Academy of Agricultural Sciences · Taigu 030800) There are many kinds of apple tree diseases and insect pests, especially decay diseases, early deciduous diseases, peach moth, , Small apple leaf roll E and other major categories, often resulting in a huge loss of fruit production. Therefore, we must conscientiously implement the "prevention first, comprehensive ...