| 莲耦腐败病的研究 |
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| 引用本文： | 刘铸德.莲耦腐败病的研究[J].植物病理学报,1992,22(3):265-269. |
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| 作者姓名： | 刘铸德 |
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| 作者单位： | 陕西省汉中地区农科所 |
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| 摘 要： | 1984-1987年从汉中地区平川六县市采集莲藕腐败病标样41份,经分离鉴定,致病性和专化型测定表明,莲尖孢镰刀菌(Fusarium oxysporum f.sp.nelumbicola)和缺性腐霉(Pythium elongatum)是该病病原菌,砖红镰刀菌(F.lateritium)对莲藕不致病。调查表明,种藕和土壤带菌是发病的主要原因;7月中旬至8月上旬的气候条件与病害关系密切,平均气温愈高、雨量愈少,发病愈重;莲田长期淹水可减轻危害。
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| 关 键 词： | 莲耦 腐败病 |
STUDY ON THE ROT OF LOTUS LILY |
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| Liu Zhude.STUDY ON THE ROT OF LOTUS LILY[J].Acta Phytopathologica Sinica,1992,22(3):265-269. |
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| Authors: | Liu Zhude |
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| Institution: | Hanzhong Agricultural Research Institute Shaanxi |
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| Abstract: | Forty-one rot samples of lotus lily(nelumbo nucifara Geartn) were collec-ted from six counties and cities in Hanzhong district during 1984 to 1987.According to the cultural,morphologic and pathogenic studies the disease are caused by Fusarium oxysporum f.sp.nelumbicola and Pythium elongatum.The pathogenic fungi were hibernated both in seed Stem and soil.The dicease cootrity was closely related to the high temperature and low rainfall from July 11 to August 10 A marked decrease in disease was found in flooding field throughout the year. |
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