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一、采用一浸多洗法。种子在30℃适温下浸种12小时,然后每天洗2~4次,早稻8~12小时洗一次,晚稻5~8小时洗一次,保温催芽3天左右即可播种。洗种可除掉寄生菌和腐生菌等微生物,并解除其毒素对种胚的抑制作用。洗种还起到供水、防止发烧的作用,可提高种子发芽率5%~20%,
First, use a dip and wash more. Seed soaking at 30 ℃ suitable temperature for 12 hours, then washed 2 to 4 times a day, early rice 8 to 12 hours a wash, rice 5 to 8 hours a wash, heat sprouting for about 3 days to sow. Washing can remove the parasites and saprophytic microorganisms, and remove the toxin on the embryo inhibition. Wash also play a water supply to prevent the role of fever can increase the seed germination rate of 5% to 20%