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葡萄夏季修剪的目的是调节植株体内养分的流向和生长结果的关系,改善通风透光条件,提高果品产量相品质,促进花芽分化和枝蔓成熟。 (1)芽和定枝在冬剪的基础上,进一步调整负载量,保证当年产量和品质。时间在萌芽至花序露出期。方法是除去瘦弱、尖细的弯头芽以及主干根蘖上发出的隐芽;双生芽或三生芽留壮去劣。当新梢长达10～15厘米,能辨出花序时再进行定枝,一般需要2～3次定枝。留枝量要根据品种特性、肥水多少、树势强弱、架面大小而定。注意枝条前后、左右分布
The pruning of grapes in summer is to regulate the relationship between nutrient flow and growth in the plant, improve the ventilation and light conditions, improve the yield and quality of fruit, and promote flower bud differentiation and branch ripening. (1) buds and fixed on the basis of winter shear, to further adjust the load to ensure that the current output and quality. The time is between budding and inflorescence. The method is to remove the thin, pointed elbow buds and buds issued on the trunk root tiller; twins or three buds to stay strong to bad. When the shoots up to 10 to 15 cm, can be identified when the inflorescence fixed, usually takes 2 to 3 times fixed branches. Leave the amount of branches according to species characteristics, how much fertilizer, tree strength, frame size may be. Note the branches before and after the distribution