菠菜種子的處(chu)理小技巧
菠菜種子巧處理,才能高收獲。
1、溶(rong)(rong)液(ye)配制:將過氧化(hua)氫(qing)溶(rong)(rong)液(ye)按1∶4比(bi)例(li)對水(shui),經充分(fen)攪(jiao)拌配制成20%~25%的(de)過氧化(hua)氫(qing)水(shui)溶(rong)(rong)液(ye)。
2、浸(jin)種(zhong):浸(jin)種(zhong)時(shi)(shi)(shi)間(jian)將配制好的(de)過氧化(hua)氫水溶(rong)液(ye)盛(sheng)于(yu)(yu)容器中(zhong),倒(dao)入(ru)種(zhong)子時(shi)(shi)(shi)應邊倒(dao)邊用木(mu)棒攪拌(ban),使種(zhong)子都能均勻吸水。當(dang)氣(qi)溫低于(yu)(yu)20℃時(shi)(shi)(shi),浸(jin)種(zhong)時(shi)(shi)(shi)間(jian)需100~120分鐘(zhong)(zhong);氣(qi)溫高于(yu)(yu)20℃、低于(yu)(yu)30℃時(shi)(shi)(shi),浸(jin)種(zhong)時(shi)(shi)(shi)間(jian)60~90分鐘(zhong)(zhong);氣(qi)溫高于(yu)(yu)30℃以(yi)上時(shi)(shi)(shi),浸(jin)種(zhong)時(shi)(shi)(shi)間(jian)30~50分鐘(zhong)(zhong)即可。
3、種(zhong)(zhong)(zhong)子催芽:浸種(zhong)(zhong)(zhong)后將種(zhong)(zhong)(zhong)子從(cong)過氧化氫水溶液中撈出,隨(sui)即(ji)用清水沖洗3~4次(邊沖邊濾水),濾水后盛于容器中用濕布(bu)巾覆蓋催芽。若種(zhong)(zhong)(zhong)子成(cheng)熟適(shi)度且(qie)飽(bao)滿,一(yi)般(ban)5~6天就有85%以(yi)上的種(zhong)(zhong)(zhong)子發(fa)芽,播(bo)種(zhong)(zhong)(zhong)后2~3天即(ji)可齊苗,比(bi)常規播(bo)種(zhong)(zhong)(zhong)提前6~8天出苗。
4、注意事項:
(1)用過氧化氫水溶(rong)液浸種(zhong)(zhong)處理前(qian),應把自留的或購買的菠菜種(zhong)(zhong)子選(xuan)擇晴(qing)天(tian)太陽下曬4~6小時,并剔除雜物和不飽滿的種(zhong)(zhong)子;
(2)要(yao)用百菌清水溶液對(dui)已(yi)經浸種催芽處理的種子進行滅菌處理;
(3)浸(jin)種(zhong)催(cui)芽滅(mie)菌處理后的種(zhong)子應及(ji)時播種(zhong),大田(tian)(大棚)土(tu)壤(rang)要求濕(shi)潤(run);
(4)播種后覆土1~1.5厘米并加壓,使土壤與種子吻合,再用稻草簾覆蓋,待(dai)有10%~15%的(de)幼(you)苗(miao)出土時(shi)將草簾掀(xian)開。