菠菜種子的處理小技巧
菠菜種子巧處理,才能高收獲。
1、溶液配制:將過氧(yang)化氫溶液按1∶4比例對水(shui),經充分(fen)攪拌配制成20%~25%的過氧(yang)化氫水(shui)溶液。
2、浸種(zhong)(zhong):浸種(zhong)(zhong)時(shi)(shi)間將(jiang)配制好的過氧化(hua)氫(qing)水溶液盛于(yu)容器中(zhong),倒入種(zhong)(zhong)子時(shi)(shi)應邊倒邊用木棒攪拌,使種(zhong)(zhong)子都(dou)能均勻吸水。當(dang)氣溫低于(yu)20℃時(shi)(shi),浸種(zhong)(zhong)時(shi)(shi)間需100~120分(fen)鐘;氣溫高(gao)于(yu)20℃、低于(yu)30℃時(shi)(shi),浸種(zhong)(zhong)時(shi)(shi)間60~90分(fen)鐘;氣溫高(gao)于(yu)30℃以上時(shi)(shi),浸種(zhong)(zhong)時(shi)(shi)間30~50分(fen)鐘即可。
3、種(zhong)子催芽(ya)(ya):浸種(zhong)后(hou)將種(zhong)子從過氧化氫水(shui)溶液中撈出,隨(sui)即用(yong)清水(shui)沖(chong)洗3~4次(邊沖(chong)邊濾(lv)水(shui)),濾(lv)水(shui)后(hou)盛(sheng)于容(rong)器中用(yong)濕(shi)布巾覆蓋催芽(ya)(ya)。若種(zhong)子成熟(shu)適度且飽滿(man),一(yi)般5~6天(tian)(tian)就(jiu)有85%以(yi)上的(de)種(zhong)子發芽(ya)(ya),播種(zhong)后(hou)2~3天(tian)(tian)即可齊苗,比常規(gui)播種(zhong)提前6~8天(tian)(tian)出苗。
4、注意事項:
(1)用過氧(yang)化氫水(shui)溶液浸種(zhong)處理前(qian),應把自留的(de)(de)或購買(mai)的(de)(de)菠菜種(zhong)子(zi)選擇晴天太陽下曬4~6小時,并(bing)剔除雜物和不飽滿的(de)(de)種(zhong)子(zi);
(2)要用百(bai)菌清水溶液對已經浸種(zhong)催芽處理的種(zhong)子進(jin)行(xing)滅菌處理;
(3)浸(jin)種(zhong)催芽(ya)滅菌處理后的(de)種(zhong)子應及時播種(zhong),大田(tian)(大棚(peng))土壤要(yao)求濕(shi)潤(run);
(4)播種后覆土(tu)1~1.5厘米并加壓(ya),使(shi)土(tu)壤與種子(zi)吻合,再用稻草簾(lian)覆蓋,待(dai)有10%~15%的幼苗出土(tu)時(shi)將草簾(lian)掀(xian)開。