桂花应怎样科学修剪整形

植物图片 2019-08-23 13:35

修剪整形过后的桂花

桂花科学修剪整形的方式

桂花的花芽是在当年生新梢侧芽上形成的，而且花多着生在短花枝上。因此，桂花通常不行强剪，以免影响开花。

幼年树的修剪应从幼苗开始，选留一支主干，当主干长到预定高度时打顶，促进其萌发3～5个侧枝，使之形成独干或树冠。成年树需在春秋两季进行修剪，早春的修剪应在萌芽前进行，剪去干枯枝、病虫枝、细弱枝、徒长枝及过密枝，以利通风透光，促进桂花孕育更多、更饱满的花芽；秋天的修剪应在开花后进行，依据植株生长势，除了把过密枝疏剪外，还要把夏秋徒长枝剪去，使每个侧枝上均匀留下粗壮短枝。桂花萌发力强，生长期要经常将萌蘖枝剪除，以利养分集中，开花繁茂。当植株出现主干很高而下部枝条空虚、树形不好时，可在主干高度的2％～3％处，将整个顶部枝条都剪去，以刺激主干下部萌发新枝。当植株出现上重下轻时，则可剪去上部过强的枝条，保留下部较弱的枝条，以均衡树势。修剪后的桂花，应加强肥水管理，以改善树势。

专题： 桂花
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