二、采種技術。韭菜是雌雄同花、異花授粉植物,蟲媒花,采種時要求與其它品種隔離1000―2000m,以保證種子的純度,韭菜是多年生植物,播種當年不能開花結籽。翌年才開花,以後每年都可開花結籽。1―2年生韭菜處於幼齡階段,3年以後進入壯齡期,宜用3―5nianshengdezhizhuzuoweicaizhongzhu。jiucaizhongzhukaihuajiezi,xuyaoxiaohaodaliangdeyangfen,suoyiyikuaicaizhongtianbunengnianniancaizhong。jiucaicaizhongzaipeikeyushangpinjiucaishengchanjiehejinxing,jijiucaishengchantiandadaozhuanglinghoulunhuanxuanyikuaidizuomingniandecaizhongtian。dikuaixuandinghou,tounianjiuyaojiaqiangguanli,yaoshaoshouge,shougeshiliuchajiaoyibanshengchantiangao2―3cm。收割後要施肥灌水,促進植株生長健壯。6月下旬要蹲苗防薹徒長、倒伏。7月份植株陸續抽薹宜勤鋤防草荒。8月上旬植株陸續開花宜少澆水。韭菜花期長達50―60天tian,應ying留liu盛sheng花hua期qi的de花hua蕾lei,摘zhai去qu始shi花hua和he終zhong花hua期qi的de花hua蕾lei,使shi種zhong子zi成cheng熟shu基ji本ben一yi致zhi。為wei了le防fang止zhi花hua薹tai倒dao伏fu,可ke將jiang相xiang靠kao近jin的de兩liang株zhu花hua薹tai束shu在zai一yi起qi,或huo立li支zhi柱zhu。花hua謝xie種zhong子zi灌guan漿jiang時shi宜yi澆jiao水shui追zhui肥fei,使shi籽zi粒li充chong實shi飽bao滿man。10yueshangxunqianhouhuataikaishibianhuang,yingguanchaguopiyansejishicaishouzhongzi,shouziguozaozilibieshou,guowanshouzeguopikailie,zhongzituoluo,yingzaiguopiyixianhuanglvhuoshaoshuguopikailieshi,yuqingchenjianquhuaqiu。hualianggantuoli,cuochuzhongzi,tichuzawu,xiemingpinzhong、采收日期等,分別保存。每667m2采種田可收種子50―80kg。
三、母株采種後。由於消耗了較多的養分,長勢顯著衰弱,宜多施肥、灌水,促進其恢複生長。對於不采種的地塊,應及時采摘幼嫩花薹,減少養分的消耗。
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