| 金叶女贞叶斑病的研究 |
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| 引用本文： | 徐颖,严巍,池杏珍,李跃忠. 金叶女贞叶斑病的研究[J]. 中国森林病虫, 2002, 21(5): 12-14 |
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| 作者姓名： | 徐颖 严巍 池杏珍 李跃忠 |
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| 作者单位： | 上海市园林科学研究所,上海,200232 |
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| 基金项目： | 上海市科委重点科技项目 (批准号 0 12 912 0 2 8)，上海市园林局青年课题 ( 99青 0 8号 ) |
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| 摘 要： | 通过制作切片、病组织分离培养及单孢分离、接种试验等，确定引起金叶女贞叶斑病的病原菌为Corynespora sp.。此病在上海始发期为4月下旬，高峰期为7－8月和10月。发病率和株密度在一定程度上呈正比关系。80％大生可湿性粉剂是防治此病较好的药剂。
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| 关 键 词： | 金叶女贞 叶斑病 棒孢霉属 发生期 防治 发病率 株密度 |
| 文章编号： | 1671-0886(2002)05-0012-03 |
| 修稿时间： | 2002-03-25 |
Leaf spot of Ligustrum vicaryi |
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| XU Ying,et al.. Leaf spot of Ligustrum vicaryi[J]. Forest Pest and Disease, 2002, 21(5): 12-14 |
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| Authors: | XU Ying et al. |
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| Abstract: | The pathogen of leaf spot of Ligustrum vicaryi was identified as Corynespora sp.after microscope inspection,isolation of infected tissue,single spore isolation and inoculation.The disease first appeared in the end of April with a peak in July,August and October in Shanghai.The disease was more serious in July and August than in October.The investigation revealed that incidence rate of leaf spot is positive related to planting density.The control experiment in lab and field showed that 80% Dithane M-45(mancozeb)had the best effect. |
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| Keywords: | Ligustrum vicaryi leaf spot Corynespora occurrence period control |
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