【蔬(shu)菜(cai)種子催芽(ya)】哪(na)些(xie)蔬(shu)菜(cai)種子需要催芽(ya) 蔬(shu)菜(cai)種子電(dian)熱(re)毯催芽(ya)法
哪些蔬菜種子需要催芽
1、芹菜:先用清水浸泡種子半天或者一天左右,泡完之后再換清水用手搓洗一遍,然后將種皮搓開晾曬,等水份干之后用濕布包好放在陰涼處進行催芽,等到3天(tian)左(zuo)右就可(ke)以播種了。
2、西芹:這個要用48℃的(de)溫(wen)水浸泡(pao)(pao)半小(xiao)時,浸泡(pao)(pao)完之后(hou)再用濕(shi)紗布包褒置于放在15到(dao)(dao)20度的(de)溫(wen)度下開始(shi)催芽,要記住經常淘洗,等到(dao)(dao)一周至兩周左右后(hou)發芽就可以播種了。
3、木耳(er)萊(落葵(kui)):首先(xian)在25℃~30℃溫水中把種子浸泡1到2天,然后在30℃左右溫度下催芽,大(da)概(gai)一周后就可以播種。
4、菠菜:也(ye)是用清(qing)水浸泡一(yi)天或半天的時間,然(ran)后把(ba)種子晾于10℃~15℃溫度下(xia)進(jin)(jin)行催芽,過幾天等(deng)種(zhong)(zhong)子(zi)發芽后就可以(yi)進(jin)(jin)行播(bo)種(zhong)(zhong)。
5、萵苣:萵苣種子的清(qing)泡時(shi)間(jian)相比(bi)來說比(bi)較少,只需5-10小時。然后(hou)(hou)將(jiang)種(zhong)子取出放在5℃左(zuo)右(you)的低溫下(xia)一天一夜,然后(hou)(hou)攤在濕毛巾(紗布)上,上面再蓋一層(ceng)紗布保濕,注意,這時候(hou)要放在室內(nei),它屬于見光(guang)催芽。等個一兩天左(zuo)右(you)后(hou)(hou)播(bo)種(zhong),此時要保持(chi)播(bo)種(zhong)的土(tu)壤濕潤(run),以不蓋土(tu)出苗為好。
6、芫(yan)荽(香(xiang)菜):在(zai)播(bo)種前先把香(xiang)菜的(de)種果(guo)搓開,跟上述其他(ta)種子(zi)一樣用(yong)清水泡(pao)半天(tian)或一天(tian)左右,泡(pao)完后把種子(zi)放在(zai)20℃~32℃溫度催芽(ya),等(deng)到種字發芽(ya)后就可以進行播(bo)種了。
蔬菜種子電熱毯催芽法
種子催(cui)芽是蔬(shu)菜生產的(de)(de)首要環節,是育(yu)苗(miao)、栽培上的(de)(de)一項重要技(ji)術措施。它不(bu)僅可使 種子發芽整齊,縮短苗(miao)齡,而(er)且可以(yi)提高身苗(miao)質量,保(bao)證幼苗(miao)健(jian)壯生長。筆者多年(nian)來對蔬(shu)菜種子進(jin)行電(dian)熱(re)毯催(cui)芽,收到了理想的(de)(de)交果(guo)。現將電(dian)熱(re)毯催(cui)芽的(de)(de)方(fang)法介紹(shao)如(ru)下,供菜農學習應(ying)用參考。
1、 種子消毒
為了(le)提(ti)高種(zhong)(zhong)(zhong)(zhong)(zhong)子(zi)(zi)活力,促進發芽,防止因種(zhong)(zhong)(zhong)(zhong)(zhong)子(zi)(zi)帶菌而(er)造(zao)成病(bing)蟲危害,催芽 前(qian)應進行種(zhong)(zhong)(zhong)(zhong)(zhong)子(zi)(zi)消毒(du)處理,方法主要(yao)有熱水(shui)燙(tang)種(zhong)(zhong)(zhong)(zhong)(zhong)和藥(yao)劑浸(jin)(jin)(jin)種(zhong)(zhong)(zhong)(zhong)(zhong)兩種(zhong)(zhong)(zhong)(zhong)(zhong)。①熱水(shui)燙(tang)種(zhong)(zhong)(zhong)(zhong)(zhong):燙(tang)種(zhong)(zhong)(zhong)(zhong)(zhong)前(qian)先用清水(shui)清洗種(zhong)(zhong)(zhong)(zhong)(zhong)子(zi)(zi),再用55-600C的熱水(shui)燙(tang)種(zhong)(zhong)(zhong)(zhong)(zhong)10-15分(fen)鐘(zhong)(zhong)。注意要(yao)邊(bian)燙(tang)種(zhong)(zhong)(zhong)(zhong)(zhong)邊(bian)攪攔以使種(zhong)(zhong)(zhong)(zhong)(zhong)子(zi)(zi)受(shou)熱均勻。②藥(yao)劑浸(jin)(jin)(jin)種(zhong)(zhong)(zhong)(zhong)(zhong):浸(jin)(jin)(jin)種(zhong)(zhong)(zhong)(zhong)(zhong)前(qian)先用清水(shui)浸(jin)(jin)(jin)泡(pao)1小(xiao)時,要(yao)用藥(yao)液進行浸(jin)(jin)(jin)種(zhong)(zhong)(zhong)(zhong)(zhong),可用0.1%-0.35%高錳酸鉀溶(rong)液浸(jin)(jin)(jin)種(zhong)(zhong)(zhong)(zhong)(zhong)20分(fen)鐘(zhong)(zhong)或(huo)用1%硫酸銅(tong),2%氫氧(yang)化鈉(na)溶(rong)液浸(jin)(jin)(jin)種(zhong)(zhong)(zhong)(zhong)(zhong)5-15分(fen)鐘(zhong)(zhong)或(huo)用0.2%的50%多菌靈種(zhong)(zhong)(zhong)(zhong)(zhong)20-30分(fen)鐘(zhong)(zhong)或(huo)0.125甲霜靈浸(jin)(jin)(jin)種(zhong)(zhong)(zhong)(zhong)(zhong)30分(fen)鐘(zhong)(zhong)或(huo)用0.1%的60%防霉寶加(jia)(jia)0.1%平平加(jia)(jia)溶(rong)液浸(jin)(jin)(jin)種(zhong)(zhong)(zhong)(zhong)(zhong)60分(fen)鐘(zhong)(zhong)。以上(shang)兩種(zhong)(zhong)(zhong)(zhong)(zhong)消毒(du)方法在達到規定時間后(hou),應取出種(zhong)(zhong)(zhong)(zhong)(zhong)子(zi)(zi)進行清洗、浸(jin)(jin)(jin)種(zhong)(zhong)(zhong)(zhong)(zhong)、催芽。
2、 清水浸種
浸種(zhong)(zhong)時(shi)間(jian)應根據蔬菜種(zhong)(zhong)類而(er)不同一般而(er)言番茄(qie)(qie)、黃瓜(gua)、西(xi)葫蘆、菜豆等浸種(zhong)(zhong)2小(xiao)(xiao)時(shi),辣椒、茄(qie)(qie)子浸種(zhong)(zhong)4-5小(xiao)(xiao)時(shi),苦瓜(gua)、西(xi)瓜(gua)浸種(zhong)(zhong)24-36小(xiao)(xiao)時(shi)。浸種(zhong)(zhong)時(shi)可稍(shao)加搓洗,以除去雜質(zhi)及附屬物(wu)。
3、 電熱毯催芽
先(xian)鋪(pu)(pu)電熱(re)毯(tan),再(zai)將(jiang)塑料薄(bo)(bo)膜(mo)(薄(bo)(bo)膜(mo)面積(ji)是電熱(re)毯(tan)面積(ji)的2倍以上(shang))鋪(pu)(pu) 在(zai)電熱(re)毯(tan)上(shang),然后(hou)將(jiang)毛(mao)(mao)巾在(zai)清水中搓洗干凈擰干,平鋪(pu)(pu)于薄(bo)(bo)膜(mo)表面;將(jiang)經過(guo)處理后(hou)的種(zhong)子(zi)瀝干,均勻鋪(pu)(pu)在(zai)濕毛(mao)(mao)巾上(shang),折疊毛(mao)(mao)巾或用(yong)其他濕毛(mao)(mao)巾輕輕蓋于種(zhong)子(zi)表南;用(yong)另一半薄(bo)(bo)膜(mo)折疊鋪(pu)(pu)在(zai)毛(mao)(mao)巾上(shang),薄(bo)(bo)膜(mo)上(shang)再(zai)加蓋毛(mao)(mao)巾被、毛(mao)(mao)毯(tan)或毛(mao)(mao)草等覆蓋物保溫,覆蓋完畢(bi)后(hou)通(tong)電;每天(tian)早晚(wan)用(yong)毛(mao)(mao)巾包(bao)裹好種(zhong)子(zi)進行淘(tao)洗,瀝干后(hou)繼續進行電熱(re)毯(tan)催芽,直至種(zhong)子(zi)發芽為止。
4、 適用范圍
①適用于菜豆、豇豆、西瓜、苦瓜、黃瓜、茄子、辣椒、糯玉等種子的催芽;
②適(shi)用于大量種子、小中型農(nong)場(chang)、西瓜基地(di)等的催芽、育苗(miao)。
5、 注意事項(xiang)
①熱水燙種一定要不斷攪攔,以免燙傷、燙死種子;
②進行操作時要先斷電,完畢后再行通電;③種(zhong)(zhong)子發芽(ya)露白(bai)達50%以上時及時播(bo)種(zhong)(zhong)。
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