藜麦尾孢叶斑病的病原鉴定
Identification of the pathogen causing Cercospora leaf spot on quinoa
查看参考文献19篇
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文摘
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藜麦(Chenopodium quinoa)是藜科藜属1年生双子叶植物,作为一种新型粮食作物在南美洲、欧洲、大洋洲、亚洲等90多个国家种植或试种。2014年以来,在我国的山西、青海、甘肃、河北等省份开始规模化种植;山西省静乐县是我国藜麦规模化种植最早的基地,随着种植面积的扩大及连作栽培导致病害日趋严重,尤其是叶部病害。2015~2017年间,本课题组在静乐县藜麦种植区调研时发现一种藜麦叶部病害,该病害发病初期,在叶片上形成圆形或近圆形病斑;严重时病斑连片造成叶片枯黄脱落。近年来,该病害的发病率约35%,严重地块约70%左右、减产约25%,并呈加重趋势。 |
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其他语种文摘
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A leaf spot disease on Chenopodium quinoa was found in Jingle,Shanxi. The leaf spots appeared as yellow nearly-circular spot on the surface at early stages,and gradually formed large lesions with pale brown mold at late stage. Based on analysis of LSU,rpb2 and ITS sequences,the strains used in this study were located in same cluster with Cercospora cf. chenopodii in phylogenetic tree. According to morphological characteristics, pathogenicity test,and molecular identification,the pathogen causing leaf spot on quinoa was identified as Cercospora cf. chenopodii. |
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来源
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植物病理学报
,2019,49(3):408-414 【核心库】
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DOI
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10.13926/j.cnki.apps.000289
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关键词
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藜麦尾
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孢叶斑
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病原鉴定
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地址
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山西省农业科学院植物保护研究所, 农业有害生物综合治理山西省重点实验室, 太原, 030031
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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0412-0914 |
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学科
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植物保护 |
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基金
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山西省农业科学院特色产业重点研发专项
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山西省科技基础条件平台(生物(种质)资源与实验材料共享服务平台)
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文献收藏号
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CSCD:6503524
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