| 大豆主要食叶害虫为害当量系统与复合防治指标的研究 |
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| 引用本文： | 曲耀训,高孝华,马振泉,邹向英,牟吉元,牟少敏.大豆主要食叶害虫为害当量系统与复合防治指标的研究[J].植物保护学报,1993,20(1):43-48. |
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| 作者姓名： | 曲耀训 高孝华 马振泉 邹向英 牟吉元 牟少敏 |
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| 作者单位： | 山东省滨州地区农业科学研究所 滨州(曲耀训，高孝华，马振泉，邹向英)，山东农业大学植物保护系 泰安(牟吉元，牟少敏) |
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| 摘 要： | 豆天蛾(Clanis bilineata Walker)、银纹夜蛾(Plusia agnata Standinger)、棉铃虫(He-liothis armigera Hubner)和豆灰蝶(Plebejus argus L.)对黄淮流域大豆生产影响较大,防治指标亟待改进。人工模拟剪叶建立了叶损失率与产量损失的函数方程。逐种测定日食量,求取了每种幼虫不同阶段的校正等量系数,建立了为害当量系统。在考虑多维因素的基础上,建立了大豆不同生育期的复合防治指标。田间调查表明,应用该指标能较好解决4种害虫在田间混合发生,虫龄参差不齐,难以确定防治指标的困难,具有较高实用性。
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| 关 键 词： | 大豆 为害当量 复合防治指标 |
STUDIES ON THE INJURY EQUIVALENCY SYSTEM AND MIXED ACTION THRESHOLD OF MAIN SOYBEAN LEAF-FEEDING INSECT PESTS |
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| Qu Yaoxun,Gao Xiaohu,Ma Zhenquan,Zou Xiangying,Mu Jiyuan and Mu Shaomin.STUDIES ON THE INJURY EQUIVALENCY SYSTEM AND MIXED ACTION THRESHOLD OF MAIN SOYBEAN LEAF-FEEDING INSECT PESTS[J].Acta Phytophylacica Sinica,1993,20(1):43-48. |
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| Authors: | Qu Yaoxun Gao Xiaohu Ma Zhenquan Zou Xiangying Mu Jiyuan and Mu Shaomin |
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| Institution: | Binzhou Prefectural Institute of Agricultural Sciences, Binzhou,Binzhou Prefectural Institute of Agricultural Sciences, Binzhou,Binzhou Prefectural Institute of Agricultural Sciences, Binzhou,Binzhou Prefectural Institute of Agricultural Sciences, Binzhou,Department of Plant Protection, Shandong Agricultural University, Tai''an and Department of Plant Protection, Shandong Agricultural University, Tai''an |
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| Abstract: | The relationship between leaf damage and yield loss of soybean was studied by synthetically cutting off soybean leaf for simulating the mixed damage of the main leaf-feeding insect pests,namely,Clanis bilineata Walker,Plusia agnata Staudinger,Heliothis armigera Hǚbner and Plebejus argus Linnaeus,the functional equations reflecting this relationship in nutritional and reproductive stages of soybean were developed.The corrected injury equivalency coefficients of the larvae of different species were determined,the injury equivalency system and mixed action thresholds in different stages of soybean were then established.The results of field investigations showed that these action thresholds are desirable for overcoming the difficult of mixed damage caused by larvae of four species in confused instars. |
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| Keywords: | soybean insect pests injury equivalency mixed action threshold |
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