红富士苹果摘袋前莫疏枝

Agricultural Knowledge(2018)

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Abstract
多年来,许多果农有一个错误的习惯,就是苹果摘袋前疏除所有的背上枝和遮光的斜生枝,以求增加摘袋后的光照,促进上色.殊不知这样做,不但加重了苹果日烧,而且连年不合理大量疏枝,主枝背上光秃,夏天日光直射,造成主枝背上部日烧严重,干腐死亡,永远不发新枝.来年冬春修剪时因为没有背上枝,很难调整果树的间架结构,合理甩放长条,合理修剪困难.
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