板栗树夏季修剪应该掌握哪些注意要点?

2025-04-06 04:31:24
推荐回答(1个)
回答1:

板栗夏季修剪的主要内容是摘心,其次是疏除细弱枝、密挤枝。部分细弱枝以上的叶片所制造的养分不敷自身之用,留等冬季疏剪不如及早在夏季疏除,以便集中营养供给结果枝。早疏除细弱枝还可改善树冠通风透光条件,疏剪对象是结果母枝上健壮结果枝下端的细弱结果枝、雄花枝和细弱发育枝。另外,对树冠中枝条密集处的大枝也可在夏季进行回缩修剪(回缩到3~5年生枝段)。

对树势衰弱但仍有部分产量的树,可用侧枝局部回缩的方法,减少着果量,改善通风透光条件,复壮树势。严重衰弱的树要在生长季进行更新修剪(方法同冬季修剪),但要及时处理,一般在6月上、中旬盛花前进行。更新后隐芽萌发较多,要像管理嫁接树那样,夏季进行多次抹芽、摘心。

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