桔梗怎麼提高發芽率?
為提高桔梗種子發芽率,可先對種子進行處理,播前用溫水浸種12小時,用適量濕沙拌勻,堆放幾天後再種可明顯提高發芽率。采用條播法,在整好的畦麵上按行距18~21厘米開溝,深兩厘米左右,播後蓋土1厘米。或采用比較先進的寬幅條播法,即開溝的寬度為10厘米,行距不改變,播後蓋土,寬幅條播法有很多好處,如管理簡單、成品質量好等。溫度適宜,15天左右即可出苗。

桔梗主要用種子繁殖,春播、秋qiu播bo或huo冬dong播bo均jun可ke,畝mu用yong種zhong兩liang公gong斤jin。也ye可ke育yu苗miao移yi栽zai,因yin直zhi播bo產chan量liang高gao於yu移yi栽zai,且qie根gen直zhi分fen叉cha少shao,便bian於yu刮gua皮pi加jia工gong,質zhi量liang好hao,生sheng產chan上shang多duo用yong。注zhu意yi用yong種zhong子zi繁fan殖zhi須xu用yong當dang年nian新xin產chan種zhong子zi,新xin籽zi發fa芽ya快kuai,發fa芽ya率lv高gao,長chang出chu的de苗miao均jun勻yun,健jian壯zhuang,利li於yu管guan理li,隔ge年nian的de陳chen種zhong子zi發fa芽ya率lv低di甚shen至zhi不bu能neng發fa芽ya。

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