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扦插一般每段保留几个节
更新时间: 2020-11-12 00:00:00  

1、扦插一般保留两个节。

2、上一个节上的叶要去掉部分叶片;这样做是为了减少扦插枝条内的水分过多蒸发;

3、下面一个节上的叶应从叶柄处全部去掉。这样做的原因是:一般说在节的部位居间分生组织发达,此处较易生根,去掉叶片时,叶柄在节上留下伤痕,伤口处较容易产生愈伤组织,也就容易生根。

关键词: 一般 保留

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