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苹果早期落叶病是当前为害叶片的主要病害,常规的防治方法是早喷波尔多液进行保护。1990年我们在张家庄子和毕家沟子果园使用200倍双效灵(山东省青州市氨基酸厂产品) 和200倍石灰倍量式波尔多液进行对
Apple early deciduous disease is the main damage to the leaves of the main disease, the conventional prevention and treatment is early spray Bordeaux mixture for protection. In 1990 we Zhangjia Zhuangzi and Bijiagouzi Orchard using 200 times double effect (Shandong Province, Qingzhou amino acid plant products) and 200 times the amount of lime-type Bordeaux mixture