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一、病虫防治主要防治红白蜘蛛、潜叶蛾、顶梢卷叶蛾、蚜虫及早期落叶病。防治红白蜘蛛用1.8%齐螨素5000倍,单独防治红蜘蛛可用哒螨灵、绿旋风等杀螨剂,防治潜叶蛾最有效的药剂是灭幼脲3号,防治顶梢卷叶蛾可用菊酯类如杀灭菊酯、高效氯氰菊酯,防治蚜虫要用吡虫啉等药剂。二、追肥每株树追50克尿素、50克磷酸二氢钾,距树干30~40厘米周围挖5~10厘米的环状沟或挖同样深度的6~8个小坑或围绕小树
First, pest control Main control red and white spiders, leaf moths, top tip leaf moths, aphids and early deciduous disease. Prevention and treatment of red and white spider with 1.8% of the compound mites prime 5000 times, separate control of red spider available pyridaben, green cyclone and other acaricides, the prevention and treatment of leaf moths the most effective agent is the bifuphosphate 3, top leaf roller available mites Ester, such as fenvalerate, beta-cypermethrin, imidacloprid and other agents to control aphids. Second, topdressing 50 grams per plant chase 50 grams of urea, 50 grams of potassium dihydrogen phosphate, 30 ~ 40 cm away from the trunk dug 5 to 10 cm of annular ditch or dig the same depth of 6 to 8 pits or around the tree