| 杨树烂皮病综合防治效益分析 |
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| 引用本文： | 张威铭 段玉忠. 杨树烂皮病综合防治效益分析[J]. 西北林学院学报, 1993, 8(3): 22-26 |
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| 作者姓名： | 张威铭 段玉忠 |
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| 作者单位： | 张掖地区森防站，张掖地区林果业研究所，西北林学院森林资源保护系，西北林学院森林资源保护系 甘肃 734000，甘肃 734000，陕西 712100，陕西 712100 |
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| 基金项目： | 国家“七五”科持攻关75—07—04—09—05的子课题 |
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| 摘 要： | 通过实施杨树烂皮病的综合防治措施,防治区的发病率减小到1.0％,感病指数为0.3,而对照区发病率为58.8％,感病指数为25.8,防治效果明显达98.8％,经济效果显著。
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| 关 键 词： | 杨树 烂皮病 综合防治 效益 |
Integrated Control Effect of Valsa sordida of Poplar |
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| Zhang Weiming. Integrated Control Effect of Valsa sordida of Poplar[J]. Journal of Northwest Forestry University, 1993, 8(3): 22-26 |
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| Authors: | Zhang Weiming |
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| Abstract: | Describes the integrated control effect of Valsa sordida of local poplar, Populus gansuensis. The incidence in control plot was reduced to 1.0% and disease index was reduced to 0. 3 as compared to 58. 8% and 25. 8 in check plot respectively. Integrated control effect was 98. 8% and economic effect was obviously indicated. |
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| Keywords: | Populus Valsa sordida integrated control economic effect |
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