| 棉蚜自然天敌种群数量动态和控制蚜害的研究 |
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| 引用本文： | 范广华,牟吉元,刘炳霞,刘兰山. 棉蚜自然天敌种群数量动态和控制蚜害的研究[J]. 植物保护学报, 1991, 18(3): 211-214 |
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| 作者姓名： | 范广华 牟吉元 刘炳霞 刘兰山 |
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| 作者单位： | 山东省德州地区农业科学研究所，山东农业大学，山东农业大学，山东省武城县农业局 德州，泰安，泰安 |
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| 摘 要： | 调查了德州地区棉蚜主要天敌(瓢虫、草蛉、食虫蝽和蜘蛛类)5—8月份的种群数量动态。棉蚜天敌在不防治棉田内,虽能建立稳定的种群,但不能有效地控制蚜害;在化防田内由于喷药频繁,被杀伤严重,控制蚜害作用较小;在综防田内,基本上能建立自然种群,结合其它防治措施对控制蚜害的作用较明显,经济效益显著。
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| 关 键 词： | 棉蚜 天敌 控制 棉花 |
STUDIES ON THE POPULATION DYNAMICS OF NATURAL ENEMIES OF COTTON APHID AND APHID CONTROL |
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| Fan Guanghu,Mu Jiyuan,Liu Bingxia and Liu Lanshan. STUDIES ON THE POPULATION DYNAMICS OF NATURAL ENEMIES OF COTTON APHID AND APHID CONTROL[J]. Acta Phytophylacica Sinica, 1991, 18(3): 211-214 |
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| Authors: | Fan Guanghu Mu Jiyuan Liu Bingxia Liu Lanshan |
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| Affiliation: | Agricultural Institute of Dezhou Prefecture, Shandong Province,Shandong Agricultural University, Taian,Shandong Agricultural University, Taian and Agricultural Bureau of Wucheng County, Shandong Province |
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| Abstract: | The population dynamics in May to August of main natural ene-mies of cotton aphid Aphis gossypiella,namely,the ladybirds,aphidlions,insectivorus stinkbugs,and spiders,were investigated in DezhouPrefecture,Shandong Province.The results showed that the naturalenemies mights establish rather stable populations in uncontrolled field,but the aphid damage could not be effectively prevented.There waslittle effects of biocontrol in chemical controlled field,because thenatural enemies were seriously killed by insecticides.In integratedcontrolled field,the populations of natural enemies could basically beset up,the aphid damage was obviously curbed by synthetic controlmeasures,an considerable economic benifit was obtained. |
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| Keywords: | enemies cotton aphid aphid control |
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