桂花种子怎么种
桂花种子怎么种,播种繁殖桂花在保持母本性状不严格的情况下常使用。
(1)种子清洗消毒
为减少病害,提高出苗率,播种前应对种子进行清洗、消毒。先用清水将种子洗净,然后用0.5%高锰酸钾或1%的漂白粉溶液浸泡20分钟,捞出后再用清水洗净晾干。
(2)种子催芽
为提高出苗率及出苗整齐性,消毒后的种子须进行预催芽。可将种子放在50℃左右温水中,浸种4小时,滤水后放入箩筐等通气容器中,盖上湿布或干草,置于18~24℃的环境下催芽。种子层积有一定厚度时,要经常翻动种子,保持上下层温湿度一致。致半数种子裂嘴,胚根初露,即可播种。
(3)播种时间
桂花种子因其生活力强,发芽率高,一般可在当年10月秋播或翌年春播。
(4)播种方式
桂花播种一般采用条播法,苗床沟宽12厘米,沟深3厘米,行距20厘米左右,做到随播随覆土,覆土厚度不应超过种子径的2倍,然后在覆土上盖一层薄的稻草,再用浇水壶浇至土壤湿透,以上就是关于桂花种子怎么种的方法。
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