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葡萄扦插后几天能发芽
更新时间： 2020-10-29 00:00:00  

1、葡萄扦插后半个月左右能发芽。

2、扦插方法：插穗应选已木质化、芽呈黄褐色的春蔓，剪成20～25厘米长(有3～5节)的小段，插穗顶端留1叶，其他叶连同叶柄一并剪掉，下端从芽节外斜剪成马耳形，插穗剪好后及时插入苗床。扦插后将土踩实，灌透水并搭好阴棚，阴棚高0.8～1米，棚宽与畦宽相同，遮阴度为60%～70%。插后应保持床土潮湿而不渍水。插后15～20天，插穗萌芽，抽生新蔓便可逐渐拆除阴棚。

关键词： 葡萄 发芽

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