【陽臺蔬(shu)菜(cai)種(zhong)子催芽(ya)】陽臺蔬(shu)菜(cai)種(zhong)子催芽(ya)的方法 蔬(shu)菜(cai)種(zhong)子催芽(ya)多長時間可以(yi)播(bo)種(zhong)
各種蔬菜種子在發芽過程中都要求適宜的水分、氧氣、溫度和光照等條件,只有在具備這些條件的前提下,一切生理過程才能完成,胚器官才能利用貯藏的營養進行生長最終完成發芽。所有(you)種(zhong)子催芽都經過選種(zhong)、消毒、浸種(zhong)、催芽這(zhe)四(si)個(ge)階段(duan)。
選種(zhong)(zhong)一定(ding)要選籽(zi)粒(li)飽滿,大小一致,純度(du)高(gao)的(de)(de)(de)種(zhong)(zhong)子,要去掉(diao)種(zhong)(zhong)子里的(de)(de)(de)泥土雜質(zhi),以(yi)免影響發(fa)芽(ya)或(huo)造成爛種(zhong)(zhong),最好(hao)選經過消毒(du)的(de)(de)(de)種(zhong)(zhong)子。浸(jin)種(zhong)(zhong)是催(cui)芽(ya)前(qian)很重要的(de)(de)(de)一步,直接影響到催(cui)芽(ya)的(de)(de)(de)成果,浸(jin)種(zhong)(zhong)的(de)(de)(de)時(shi)間(jian)一定(ding)要控制好(hao)。催(cui)芽(ya)的(de)(de)(de)關鍵是適合(he)種(zhong)(zhong)子發(fa)芽(ya)的(de)(de)(de)溫度(du)和(he)時(shi)間(jian)。
1、香菜(芫荽)
香菜性喜冷涼(liang)氣(qi)候,耐寒而(er)不耐熱,適(shi)于春(chun),晚秋(qiu)栽(zai)(zai)培(pei),夏秋(qiu)季節(jie)氣(qi)溫高,雨水(shui)多,栽(zai)(zai)培(pei)難度大,且產(chan)量很低,因此各地(di)栽(zai)(zai)培(pei)很少。播種(zhong)前先把(ba)種(zhong)果(guo)搓(cuo)開,用一大桶清水(shui)浸12至24小時(shi),置(zhi)20-32℃溫度催(cui)芽,待(dai)大部分種(zhong)子發芽后即可播種(zhong)。如果(guo)夏秋(qiu)反季節(jie)栽(zai)(zai)培(pei)香菜,宜(yi)選用耐熱性好,抗(kang)病,抗(kang)逆(ni)性強(qiang)的泰國四季大粒香菜品(pin)種(zhong)。
2、菠菜
菠菜(cai)種子皮厚,通氣和透(tou)水能力差,不容(rong)易發(fa)芽(ya)。先用(yong)木樁破皮,將種子浸泡12小(xiao)時后,再放入4℃冰箱中處理(li)24小(xiao)時,然后在20-25℃條件下催芽(ya)。
3、胡蘿卜
胡蘿(luo)卜種(zhong)子(zi)外(wai)皮(pi)有革質(zhi)且厚,表面(mian)長有刺毛,不易播勻,也不利種(zhong)子(zi)與(yu)土壤(rang)緊密接觸。所以,采收后先晾曬1-2天,宜立即將毛搓(cuo)去(qu),再(zai)行(xing)浸種(zhong),催芽(ya)。
4、芹菜
芹菜種子皮(pi)厚(hou)且(qie)堅,有油腺(xian),難透水,發芽慢且(qie)不整齊,可用清(qing)水沖(chong)洗(xi),輕(qing)輕(qing)搓揉,搓開種皮(pi),然后(hou)低溫催芽,高(gao)于25℃則發芽困難。
5、冬瓜、苦瓜、茄子
種(zhong)(zhong)(zhong)子種(zhong)(zhong)(zhong)皮厚,泡(pao)種(zhong)(zhong)(zhong)時(shi)間(jian)長(chang)了(le)易(yi)裂(lie)口,泡(pao)種(zhong)(zhong)(zhong)時(shi)間(jian)短了(le),種(zhong)(zhong)(zhong)子吸(xi)水(shui)少又難出芽(ya)。因(yin)此,可在播種(zhong)(zhong)(zhong)前(qian)一個星(xing)期用(yong)濕(shi)沙拌(ban)種(zhong)(zhong)(zhong)放在潮(chao)濕(shi)而(er)低(di)溫的條件(jian)下,再在28-30℃的溫度下催芽(ya)。另外,用(yong)2﹪的硝酸鉀溶液(ye)浸(jin)種(zhong)(zhong)(zhong)3-4天(tian),可顯(xian)著(zhu)提(ti)高發芽(ya)率(lv)。
6、落葵(湯菜、木耳菜)
落(luo)葵種(zhong)殼(ke)厚而硬,春播(bo)要(yao)用溫(wen)水20-30℃浸種(zhong)1-2天,然后(hou)用濕(shi)布包(bao)好放在25℃左右的溫(wen)度下催芽。
7、黃瓜、西甜瓜
用0.2﹪的(de)高錳酸(suan)鉀溶液浸(jin)種(zhong)(zhong)30分(fen)鐘(zhong)(zhong),并且不斷攪(jiao)拌(ban),之后(hou)(hou)在清水中漂洗干凈,以防藥液傷及種(zhong)(zhong)胚,然后(hou)(hou)將(jiang)種(zhong)(zhong)子(zi)放(fang)入60℃溫水中不停攪(jiao)拌(ban),15分(fen)鐘(zhong)(zhong)后(hou)(hou)降(jiang)至30℃,搓洗去除種(zhong)(zhong)子(zi)外(wai)的(de)粘液,用紗布(bu)包好催(cui)芽,溫度保持在25-30℃之間(jian),每(mei)日用25℃溫水沖洗兩次,直至60﹪種(zhong)(zhong)子(zi)開嘴露芽時(shi),即可播(bo)種(zhong)(zhong),催(cui)芽時(shi)間(jian)約為1-2天。
8、辣椒、番茄
先用(yong)10﹪磷酸(suan)三鈉溶液浸(jin)20分鐘或0.2﹪高錳酸(suan)鉀溶液浸(jin)20-30分鐘,可以鈍化種(zhong)(zhong)(zhong)子(zi)(zi)帶的病(bing)毒。一(yi)般用(yong)50-55℃溫水(shui)浸(jin)種(zhong)(zhong)(zhong),種(zhong)(zhong)(zhong)子(zi)(zi)放入溫水(shui)中不斷攪拌(ban),水(shui)溫降(jiang)到30℃時(shi)(shi)(shi)停(ting)止攪拌(ban),浸(jin)泡3-4小時(shi)(shi)(shi),但要防止水(shui)溫過高燙死(si)種(zhong)(zhong)(zhong)子(zi)(zi),或浸(jin)種(zhong)(zhong)(zhong)時(shi)(shi)(shi)間(jian)過長(chang)(chang)使種(zhong)(zhong)(zhong)子(zi)(zi)窒息死(si)亡。浸(jin)種(zhong)(zhong)(zhong)后(hou)要將種(zhong)(zhong)(zhong)子(zi)(zi)攤涼一(yi)會,再用(yong)紗布(bu)包好放入25-30℃恒溫箱,如果沒有氧的供應,種(zhong)(zhong)(zhong)子(zi)(zi)不能(neng)發(fa)芽(ya),若在缺氧嚴(yan)重的情況下,則產生并積累乙醇等有害物質而導致胚中毒,發(fa)生爛種(zhong)(zhong)(zhong)。催(cui)芽(ya)時(shi)(shi)(shi)間(jian)不能(neng)過長(chang)(chang),以免(mian)種(zhong)(zhong)(zhong)子(zi)(zi)過長(chang)(chang),芽(ya)子(zi)(zi)太長(chang)(chang),播種(zhong)(zhong)(zhong)時(shi)(shi)(shi)易折(zhe)斷。如遇天(tian)氣(qi)等特(te)殊(shu)原(yuan)因要推遲播種(zhong)(zhong)(zhong)時(shi)(shi)(shi),可使催(cui)芽(ya)溫度降(jiang)到5-10℃。
9、萵苣
種(zhong)(zhong)子清(qing)洗(xi)后浸種(zhong)(zhong)5-10小時,取出置于(yu)5℃低溫下一(yi)晝(zhou)夜,然后攤在濕毛巾(jin)(紗布(bu))上(shang),上(shang)面再蓋(gai)一(yi)層紗布(bu)保濕,室內見光催(cui)芽,1-2天后播(bo)種(zhong)(zhong),播(bo)后保持土(tu)壤濕潤,以(yi)不蓋(gai)土(tu)出苗為(wei)好(hao)。
10、菜碗豆
選用優質新種(zhong)子(zi),用25-30℃溫水浸種(zhong)1-2天,置于20-30℃溫度下(xia)催芽(ya),大部分種(zhong)子(zi)發(fa)芽(ya)后即可(ke)播(bo)種(zhong)。
11、大蒜
在(zai)播(bo)前15-20天(tian),將蒜瓣(ban)(ban)分級后(hou),放在(zai)清水中淘洗一下撈出(chu)(chu),放在(zai)地(di)窖或(huo)陰涼的(de)室內。將蒜瓣(ban)(ban)鋪放在(zai)地(di)面或(huo)窖面,厚約(yue)7-10厘米,然后(hou)蓋土(tu)。蓋土(tu)濕度以手捏成團、落地(di)即散為度。經(jing)過15-20天(tian)的(de)“潮(chao)蒜”處(chu)理,大部分蒜瓣(ban)(ban)發出(chu)(chu)白根時即可(ke)播(bo)種(zhong)(zhong),播(bo)種(zhong)(zhong)后(hou)5-8天(tian)即可(ke)出(chu)(chu)苗。
12、西芹
用(yong)48℃溫水(shui)浸種30分鐘,然(ran)后用(yong)濕紗布包(bao)裹置于15-20℃溫度下催芽,并經常(chang)淘洗,7-12天(tian)后種子發(fa)芽時即可播(bo)種。