菠菜種子(zi)的處理小技巧
菠菜種子巧處理,才能高收獲。
1、溶(rong)液(ye)配制:將過氧(yang)化(hua)氫(qing)溶(rong)液(ye)按1∶4比例對水,經(jing)充分攪拌配制成20%~25%的過氧(yang)化(hua)氫(qing)水溶(rong)液(ye)。
2、浸(jin)種(zhong)(zhong)(zhong):浸(jin)種(zhong)(zhong)(zhong)時(shi)(shi)間將配制好的過氧化氫水(shui)(shui)溶液盛于容器中(zhong),倒入種(zhong)(zhong)(zhong)子時(shi)(shi)應邊(bian)倒邊(bian)用木棒攪拌,使種(zhong)(zhong)(zhong)子都能(neng)均勻吸(xi)水(shui)(shui)。當氣溫(wen)(wen)(wen)低于20℃時(shi)(shi),浸(jin)種(zhong)(zhong)(zhong)時(shi)(shi)間需100~120分鐘(zhong)(zhong);氣溫(wen)(wen)(wen)高于20℃、低于30℃時(shi)(shi),浸(jin)種(zhong)(zhong)(zhong)時(shi)(shi)間60~90分鐘(zhong)(zhong);氣溫(wen)(wen)(wen)高于30℃以上時(shi)(shi),浸(jin)種(zhong)(zhong)(zhong)時(shi)(shi)間30~50分鐘(zhong)(zhong)即可。
3、種(zhong)子(zi)(zi)催芽:浸種(zhong)后將種(zhong)子(zi)(zi)從過氧化氫水溶液中(zhong)撈出,隨即用清水沖洗3~4次(邊沖邊濾水),濾水后盛于容器中(zhong)用濕布巾覆(fu)蓋催芽。若種(zhong)子(zi)(zi)成(cheng)熟適度且(qie)飽滿,一般5~6天就有85%以上的(de)種(zhong)子(zi)(zi)發(fa)芽,播種(zhong)后2~3天即可齊苗(miao),比常規播種(zhong)提(ti)前6~8天出苗(miao)。
4、注意事項:
(1)用過氧化氫水溶液(ye)浸種處理前,應把自留(liu)的(de)或購買的(de)菠菜種子(zi)選擇晴天太陽(yang)下曬4~6小時,并剔除雜(za)物和不飽滿的(de)種子(zi);
(2)要用百菌清水溶液對已(yi)經(jing)浸(jin)種(zhong)催芽處理(li)的種(zhong)子進行滅菌處理(li);
(3)浸種催芽(ya)滅(mie)菌處理后的種子應及(ji)時播種,大(da)田(tian)(大(da)棚)土(tu)壤要求(qiu)濕(shi)潤(run);
(4)播(bo)種(zhong)后覆土(tu)(tu)(tu)1~1.5厘米并(bing)加(jia)壓,使土(tu)(tu)(tu)壤(rang)與種(zhong)子(zi)吻合,再(zai)用稻(dao)草簾(lian)覆蓋,待有(you)10%~15%的幼苗出土(tu)(tu)(tu)時將草簾(lian)掀(xian)開。