A Study on the Action Threshold for Control Leiometopon simyrides Staudinger

doi:10.11733/j.issn.1007-0435.2000.01.009

›› 2000, Vol. 8 ›› Issue (1): 46-48.DOI: 10.11733/j.issn.1007-0435.2000.01.009

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A Study on the Action Threshold for Control Leiometopon simyrides Staudinger

Wang Junmei, Shi Qingmao, Li Jianting, Wu Dongguo, Chang Ming

Gansu Grassland General Station, Lanzhou 730046

Online:2000-02-15 Published:2000-02-15

白刺夜蛾防治指标的研究

王俊梅, 史青茂, 李建廷, 吴栋国, 常明

甘肃省草原总站, 兰州 730046

Abstract

Abstract: The daily grazing capacity(DGC)and the action threshold for control of L.simyrodes S. was studied in Jinchang city,Gansu province during 1996-1998.The daily grazing capacty of the lavas stages was measured as 4.81,12.39,37.56,130.68 and 483.25mg/head respectively.and the total grazing capacity was 2453.58mg/head.Based on DGC,the action threshold was obtained as 39.7 individuals/m²,the economic tolerant yield loss rates is 12.5%.

Key words: Leiometopon simyrides S.,Action threshold, Desert steppe

摘要： 研究白刺夜蛾幼虫的食量和防治指标。结果表明,幼虫可分为5龄,各龄幼虫的日食量依次为4.81、12.39、37.56、130.68和483.25mg/头,幼虫期总食量2453.58mg/头。根据食量测定,研制的防治指标为39.7头/m²,经济允许损失水平为12.5%。

关键词: 白刺夜蛾, 防治指标, 荒漠草原

Wang Junmei, Shi Qingmao, Li Jianting, Wu Dongguo, Chang Ming. A Study on the Action Threshold for Control Leiometopon simyrides Staudinger[J]. , 2000, 8(1): 46-48.

王俊梅, 史青茂, 李建廷, 吴栋国, 常明. 白刺夜蛾防治指标的研究[J]. , 2000, 8(1): 46-48.

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A Study on the Action Threshold for Control Leiometopon simyrides Staudinger

白刺夜蛾防治指标的研究

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