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1、选种。选种时,要严格剔除具有黑色或黄褐色圈纹的病姜块。2、晒种。一般在3月上旬将选好的姜种摊放在日光下晒1-2天,晒至姜皮见干稍皱,剔除病冻姜块。3、催芽。催芽前用百菌清,多菌灵等杀菌剂消毒灭菌后放到20~25℃地方催芽,相对湿度保持在75%~80%,湿度大时揭开覆盖物透气1-3天,约经25~27天,待芽长0.6~1.2厘米时即可播种。
1, selection. Seed selection, it is necessary to strictly remove the black or brown ring disease ginger block. 2, bask in. Usually in early March will be selected ginger species spread in the sun for 1-2 days, dry to the grizzly see dry crease, remove the frozen ginger block. 3, germination. Pre-germination with chlorothalonil, carbendazim and other fungicides sterilized put 20 ~ 25 ℃ place germination, the relative humidity remained at 75% to 80%, open the cover when the humidity is breathable 1-3 days, about After 25 to 27 days, to be bud length of 0.6 to 1.2 cm when sown.