菠菜種子的處理小技巧
菠菜種子巧處理,才能高收獲。
1、溶(rong)液配制:將(jiang)過氧化氫(qing)溶(rong)液按1∶4比例對水,經充分攪(jiao)拌配制成20%~25%的過氧化氫(qing)水溶(rong)液。
2、浸種(zhong)(zhong):浸種(zhong)(zhong)時(shi)(shi)間(jian)將配制好的過氧化氫水溶液盛(sheng)于容(rong)器中,倒入種(zhong)(zhong)子時(shi)(shi)應邊倒邊用木棒(bang)攪拌,使(shi)種(zhong)(zhong)子都能均勻吸水。當氣(qi)溫(wen)低(di)于20℃時(shi)(shi),浸種(zhong)(zhong)時(shi)(shi)間(jian)需100~120分(fen)鐘;氣(qi)溫(wen)高于20℃、低(di)于30℃時(shi)(shi),浸種(zhong)(zhong)時(shi)(shi)間(jian)60~90分(fen)鐘;氣(qi)溫(wen)高于30℃以上時(shi)(shi),浸種(zhong)(zhong)時(shi)(shi)間(jian)30~50分(fen)鐘即可。
3、種(zhong)(zhong)(zhong)子催(cui)芽(ya):浸種(zhong)(zhong)(zhong)后將種(zhong)(zhong)(zhong)子從過氧化氫水(shui)溶液(ye)中撈出(chu),隨即用清水(shui)沖洗3~4次(ci)(邊沖邊濾(lv)水(shui)),濾(lv)水(shui)后盛于容器中用濕布(bu)巾覆(fu)蓋(gai)催(cui)芽(ya)。若種(zhong)(zhong)(zhong)子成熟(shu)適度(du)且飽(bao)滿,一般5~6天(tian)就有(you)85%以上的種(zhong)(zhong)(zhong)子發芽(ya),播種(zhong)(zhong)(zhong)后2~3天(tian)即可(ke)齊苗(miao),比常規播種(zhong)(zhong)(zhong)提前6~8天(tian)出(chu)苗(miao)。
4、注意事項:
(1)用過氧化(hua)氫水溶液浸種(zhong)(zhong)處理前,應把自(zi)留的(de)或購(gou)買的(de)菠菜種(zhong)(zhong)子(zi)選(xuan)擇晴天太(tai)陽下曬4~6小時,并(bing)剔除雜物和不(bu)飽(bao)滿的(de)種(zhong)(zhong)子(zi);
(2)要(yao)用百菌清水溶液對已(yi)經浸種(zhong)催(cui)芽處理(li)(li)的種(zhong)子進行滅菌處理(li)(li);
(3)浸種(zhong)(zhong)催芽滅菌(jun)處理(li)后的種(zhong)(zhong)子應(ying)及時播種(zhong)(zhong),大(da)田(大(da)棚)土(tu)壤要求(qiu)濕潤;
(4)播種后覆土(tu)1~1.5厘米并(bing)加壓,使(shi)土(tu)壤與種子吻合,再用稻草簾覆蓋(gai),待有10%~15%的幼苗(miao)出土(tu)時將草簾掀開。