桂花应怎样科学繁殖

植物图片 2019-09-07 22:36

繁殖的桂花树苗

科学繁殖桂花的方式：

①种子繁殖。果实成熟后即采收，然后洒水堆沤，清除果肉，阴干种子，混沙贮藏至少半年时间，于当年10月份秋播或翌年春播，通常采用条播法，播种时将种脐侧放，播后覆盖稻草，并搭盖荫棚。

②压条繁殖。应选择低分枝或丛生状的母株，通常在3-6月间进行压条，将其下部1-2年生的枝条压入：3-5厘米深的沟内，覆土平沟，固定好枝条，仅使梢端和叶子留在土外。

③嫁接繁殖。砧木多用女贞、小叶女贞、小蜡、水蜡、白蜡等，以女贞、小叶女贞应用最为广泛。

④扦插繁殖。桂花常采用嫩枝扦插，在6月中旬至8月下旬进行。通常宜从品种优良、植株健壮的20-30年生的桂花母树上，剪取树冠中上部、向阳的当年生半成熟枝条作插条，长度通常为8-10厘米，粗度0.3-0.5厘米，人土深度为插条2/3长。扦插后及时遮荫、浇水。

专题： 桂花
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