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| 毕节市白菜黑斑病的病害研究及病原鉴定 | |
| 引用本文： | 张国辉,陶敏,张文华. 毕节市白菜黑斑病的病害研究及病原鉴定[J]. 安徽农业科学, 2011, 39(19): 11477-11479 |
| 作者姓名： | 张国辉 陶敏 张文华 |
| 作者单位： | 凯里学院环境与生命科学分院,贵州,凯里,556011;凯里学院环境与生命科学分院,贵州,凯里,556011;凯里学院环境与生命科学分院,贵州,凯里,556011 |
| 摘 要： | [目的]对贵州省毕节市的白菜黑斑病进行病害分析和病原鉴定,以提出相应的预防措施。[方法]采用表面组织分离法从病叶中分离得到病原菌,并对病原菌进行培养、镜检、孢子大小测定和鉴定。[结果]显微镜镜检的病原菌特征表明,引起白菜黑斑病的病原菌是链格孢菌（Alternariasp.）,病原菌的孢子大小为（15.0～38.5）μm×（7.5～13.5）μm,结合寄主和病原特征,引起白菜黑斑病的病原菌被鉴定为芸薹生链格孢（Alternaria brassicicola）。[结论]芸薹生链格孢为贵州省毕节市当前白菜黑斑病的病原菌,可以通过农业措施和药剂预防来减少该病的危害。 |
| 关 键 词： | 白菜 黑斑病 病原菌 芸薹生链格孢 |
Disease Analysis and Pathogen Identification of Black Spot Disease of Chinese Cabbage [Alternaria brassicae (Berk.) Sace.] in Bijie City |
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| ZHANG Guo-hui et al. Disease Analysis and Pathogen Identification of Black Spot Disease of Chinese Cabbage [Alternaria brassicae (Berk.) Sace.] in Bijie City[J]. Journal of Anhui Agricultural Sciences, 2011, 39(19): 11477-11479 | |
| Authors: | ZHANG Guo-hui et al |
| Affiliation: | ZHANG Guo-hui et al(Department of Environment & Biological Science,Kaili College,Kaili,Guizhou 556011) |
| Abstract: | [Objective]Disease analysis and pathogen identification of black spot disease of Chinese cabbage[Alternaria brassicae(Berk.) Sace.]in Bijie City of Guizhou Province was carried out,so as to raise the corresponding prevention measures.[Method]Pathogen was isolated from diseased leaves using tissue surface isolation method for cultivation,microscopic examination,spore size determination and pathogen identification.[Result] Microscopic examination showed that the disease was caused by Alternaria sp.,the size o... |
| Keywords: | Chinese cabbage Black spot disease Pathogen Alternaria brassicicola |
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