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冬枣黑疔病病原菌鉴定 被引量:16

Identification of Pathogens Causing Black Spot on Dongzao Jujube
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摘要 近年在河北省、山东省等地的冬枣果实上发现一种新病害—冬枣黑疔病,又称黑斑病或果实黑点病。经2004-2005年在河北省和山东省7市县调查,从18批次219个冬枣病果样品中分离得到653个分离物,经筛选、纯化和回接试验,依照柯赫氏法则对冬枣黑疔病病原菌进行了研究,根据病原菌的形态特征,病原菌鉴定为毁灭茎点霉Phoma destructivaPlowr.和细交链孢Alternaria alternata(Fr.)Keissler。 A new disease- Dongzao jujube black spot in Hebei and Shandong provinces was reported. The black spot of Dongzao jujube has been studied in the laboratory and in fields during 2004 - 2005. 653 isolates from 219 infected Dongzao jujube samples from eighteen times of sample collection were selected, purified and reinoeulated. The pathogens were inoculated on fruits through wounds and on surface directly. According to Koch's Rule and cultural and morphological characters, two fungal pathogens were identified as Alternaria alternata (Fr.) Keissler and Phoma destructiva Plower.
出处 《华北农学报》 CSCD 北大核心 2006年第B10期162-165,共4页 Acta Agriculturae Boreali-Sinica
基金 河北省农作物病虫害生物防治工程技术中心项目资助
关键词 冬枣 黑疔病 病原菌鉴定 Dongzao jujube Black spot Identification of pathogens
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