稻种消毒 为您解忧

• 作 者: 焦勇
• 机 构: 湖北枣阳市种子公司 441200
• 出 处: 农家顾问
• 发表日期: 1997年02期
• 关键词: 杂交稻种子 白叶枯病 颖壳 病原细菌 制种过程 苗病 种子带 强氯精 种子消毒 灵液

稻种带病虫有两种情况,一是病菌和虫卵附着在稻种表面,如真菌引起的恶苗病和稻瘟病等,是以分生孢子附于稻谷表面越冬和传播;二是病菌潜伏在种子内部,如细菌引起的白叶枯病和细条病,病原细菌多数潜伏在颖壳内,少数还可在胚乳和胚内越冬。引进带病种子种植,是导致发病的主要原因。尤其是杂交稻种子,制种过程要赶花、剥苞、割叶等,病菌侵入机会多,种子带菌达

There are two kinds of diseases and insect pests of rice, first, bacteria and eggs attached to the surface of rice species, such as fungal disease caused by rice blast and so on, so conidia attached to the surface of rice winter and spread; Second, bacteria Lurking in the seeds, such as bacteria-induced bacterial blight and thin-streak disease, the majority of pathogenic bacteria lurking in the glume shell, a few still in the endosperm and embryo winter. The introduction of diseased seeds is the main reason leading to the disease. Especially hybrid rice seeds, the seed production process to catch flowers, peel, cut leaves, etc., the chances of bacteria invade more seed carrying