
一、溶液(ye)配制(zhi)。將“過氧化氫”原(yuan)液(ye)按(an)1:4-5兌水,配制(zhi)成水溶液(ye)。
二、浸種時(shi)間。將種子倒入溶液中,邊倒邊攪拌(ban),使種子均勻吸水。當氣溫(wen)在(zai)20-30攝(she)(she)氏(shi)度時(shi),浸60-90分鐘;氣溫(wen)在(zai)30攝(she)(she)氏(shi)度,浸30-50分鐘;氣溫(wen)低(di)于(yu)20攝(she)(she)氏(shi)度時(shi),浸種時(shi)間應延長到100-120分鐘。
三、種(zhong)(zhong)子催芽(ya)。種(zhong)(zhong)子從“過氧化氫”水(shui)溶液中(zhong)撈(lao)出后,隨即用清水(shui)沖(chong)洗3-4次,濾干(gan)水(shui)后盛在(zai)容(rong)器(qi)中(zhong),用濕布巾覆蓋(gai)催芽(ya)。若種(zhong)(zhong)子成(cheng)熟適度且飽滿,一(yi)般5-7天(tian)就有85%以上的種(zhong)(zhong)子發(fa)芽(ya),播種(zhong)(zhong)后2-3天(tian)即可齊苗,比常(chang)規浸種(zhong)(zhong)催芽(ya)提前6-8天(tian)出苗。
四、注意(yi)事項。一是(shi)用“過氧(yang)化(hua)氫”水溶液浸(jin)種(zhong)處(chu)理(li)前應將種(zhong)子在陽光下曬4-6小(xiao)時,并剔除雜物和癟粒;二是(shi)浸(jin)種(zhong)催(cui)芽(ya)處(chu)理(li)后即應播種(zhong),土壤要(yao)濕潤;三(san)是(shi)播種(zhong)后覆(fu)土1-1.5厘(li)米,再用稻草或秸稈覆(fu)蓋2天,少量苗出土后除去覆(fu)蓋物。