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银柳扦插技巧
更新时间: 2021-02-15 16:46:54  

1、三四月间,白天气温回升至15~20摄氏度时,做2米宽、20米长的平床,上铺10厘米厚干净无菌河沙;

2、然后剪取阳面、花少、无病虫害,1~2年生健壮已木质化枝条,截成10~12厘米长的插穗,每段插穗3~4个芽,上切口位于首芽上0.5厘米处,呈平面,下切口一般在末芽下0.2~0.3厘米处,呈45°的斜面。

3、插穗以下带或少带花为好,这样的插穗养分消耗少,易愈合生根。

4、取与插穗同等粗度的干净木签在苗床上打孔,将插穗入沙土2/3左右,地上部分保留1~2个芽;

5、然后浇透水,地上部分展叶,20天左右伤口愈合生根。

关键词: 技巧

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