| 湖南杂交水稻凋萎型白叶枯病的调查研究 |
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| 引用本文： | 陈寊,李学文,向建国,戴法超,马红苏.湖南杂交水稻凋萎型白叶枯病的调查研究[J].植物病理学报,1979,9(2):101-112. |
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| 作者姓名： | 陈寊 李学文 向建国 戴法超 马红苏 |
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| 作者单位： | 1 湖南农学院;2 中国农业科学院作物品种资源研究所 |
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| 摘 要： | 杂交水稻南优2号、南优3号近年来在湖南普遍发生枯心凋萎现象。病株除在秧苗后期至分蘖盛期呈现枯心、凋萎死亡和茎基有大量菌脓的突出症状外,拔节期后继续发病的稻株逐渐转为叶片受害,甚至在壮苞期引起死穗现象。此外,在调查中还发现少数常规品种偶有发生,但受害轻微。
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ON THE WILTING TYPE OF BACTERIAL BLIGHT (KRESEK) OF HYBRID RICES IN HUNAN |
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| Chen Z.,Li X. W.,Dai F. C.,Xiang J. G.,Ma H. S..ON THE WILTING TYPE OF BACTERIAL BLIGHT (KRESEK) OF HYBRID RICES IN HUNAN[J].Acta Phytopathologica Sinica,1979,9(2):101-112. |
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| Authors: | Chen Z Li X W Dai F C Xiang J G Ma H S |
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| Institution: | Hunan Agricultural College, Institute of Crop Germplasm Resources of the Chinese Academy of Agricultural Sciences |
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| Abstract: | A wilting type of bacterial blight has been found to occur widely in the hybrid ricer, Nan-you No. 2 and Nan-you No. 3. The disease development was conspicuous especially in the later seedling and vigorous tillering stages.The characterisntic symptoms produced were, (1) the youngest leaf or 1-2 leaves fold up and roll along the midrib; (2) the cutting surface of the stem base exudates a yellow viscid substance after being pressed; (3) the rest leaves become wilting and the diseased plant eventually dies. The symptoms of the late infected plant were similar to the commen bacterial leaf blight. |
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