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如何进行葡萄嫁接
更新时间: 2020-10-13 00:00:00  

葡萄套嫁接的方法如下:

1、首先选择半木质化的绿枝接穗,芽眼最好利用刚萌发而末吐叶的夏芽,则去掉副梢;

2、嫁接前先将接穗的绿枝用锋利芽接刀或刮脸刀片在每个接芽节间断开,放在凉水盆中保存,温度高时勤换凉水,以便降温;

3、嫁接时,砧木留3至4片叶子,除掉芽眼,将以上部分截断,在断面中间垂直劈开,长2.5至3厘米,选与砧木粗细和成熟度相近的接穗,在芽的下方0.5厘米左右,从两侧向下削成长2.5至3厘米的斜面,呈楔形,斜面刀口要平滑;

4、削好接穗马上插入砧木的切口中,使二者形成层对齐,接穗斜面要露白0.5毫米,有利愈合;

5、然后用0.5至0.6厘米宽的薄塑料条,从砧木接口下边向上缠绕,只将接芽露出外边,一直缠到接穗的上刀口,封严后再缠回下边打个活结即可;

6、如果绿枝嫁接时间较早,气温偏低时,嫁接缠完塑料条后,再套小塑料袋增温、保湿,以提高成活率。

关键词: 如何 进行 葡萄 嫁接

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