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1983～1986年对5253个贵州省稻种资源品种和育种选系,采用苗期混合菌接种初筛,淘汰感病者。表现抗病的移栽大田,成株期混合菌再接种复筛进行初评。具一年以上经茁州和成株期混合菌接种表现中抗以上的品种,再用贵州28个县(市)和广东、江苏等地103个单菌核菌株,分菌系接种测定,最后给予综合性评定。结果表明:余庆二翻早、瓮安穿谷(2)、望谟梭米草、贞丰油白米、黔西大白谷(2)、遵义绥阳谷、余庆大杆谷、麻江大乌咀谷、赫章小黄谷、瓮安有芒大头白壳晚米、威宁大杯子谷( 2)、兴仁小白糯(1)、兴仁小白晚谷等13个品种表现出较好的抗性,可作为育种亲本选用。本文还对鉴定筛选技术以及病菌的致病性分化进行了讨论。
From 1983 to 1986, 5253 Guizhou rice seed germplasm resources and breeding lines were selected. The performance of disease-resistant transplanting field, mixed strains of adult plants and then re-seeding for initial review. With more than one year Zhuozhou and adult mixed strains of bacteria showed resistance to the above-mentioned varieties, and then Guizhou 28 counties (cities) and Guangdong, Jiangsu and other 103 single-mycobacterial strains inoculated determination, the last Give a comprehensive assessment. The results showed that: Yuqing two turn early, Weng’an Valley (2), Mongolian Mongolian wudong sowing rice, Zhenfeng white rice, white valley in Qianxi (2), Zunyi Suiyang Valley, Yuqing Dagangu, Majiang large Wugu Valley, Hezhang small yellow valley, Weng’an Mangsitai white shell late rice, Weining big cup Valley (2), Xingren white glutinous (1), Xingren white night valley and other 13 varieties showed Better resistance, can be used as breeding parents. This article also discusses the identification and screening techniques and pathogenicity of pathogens.