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山楂果实开始着色,种壳逐渐硬化,并已开始分化下年花芽。果园管理应加强防治桃小食心虫,必要时在上旬树上喷2.5%溴氰菊酯2000倍液,或者喷氯氰菊酯1500倍液,或杀螟松1000倍液。防治山楂红蜘蛛,可喷布三氯杀螨醇800倍液,或久效磷800倍液。从上旬开始叶面喷0.3%磷酸二氢钾肥液,间隔半月再喷1次。继续埋压绿肥,并进行刨树盘和树下培土。苗圃进行嫁接。
The hawthorn fruit begins to color, the seed coat gradually hardens, and the flower buds of the following year have begun to differentiate. Orchard management should strengthen the prevention and control of peach moth worms, if necessary, in the early tree spray 2.5% deltamethrin 2000 times, or cypermethrin 1500 times, or Diafenide 1000 times. Control hawthorn spider, sprayed dicofol 800 times, or monocrotophos 800 times. From the beginning foliar spray 0.3% potassium dihydrogen phosphate fertilizer, spray another half an interval of 1. Continue to bury the green manure and carry out the planing of trees and soil under the tree. Nursery grafting.