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苹果树老树嫁接新方法

更新时间: 2021-03-11 17:54:55     

1、回缩更新:对主、侧枝回缩时选择角度较小,生长较旺的背后枝、直立枝代替原头。

2、枝组重回缩:对各类枝组要适当重截、多截、少疏、抬高角度。

3、更新复壮:对徒长枝、直立旺枝多截少放,以促发分枝,增强生长势。

4、减少层次:采用回缩落头的方法尽量减少层次,降低树高,增加内膛光照,使其获得更新后的各级健壮枝。

关键词: 苹果树 嫁接 方法

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