甲维盐单剂及其复配剂防治玉米草地贪夜蛾田间药效试验

滕啸峰; 赵虹; 彭立新; 毛万敏; 魏琼英; 林风; 欧阳朝晖; 曾光芬

doi:10.13718/j.cnki.zwyx.2023.02.008

植物医学

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甲维盐单剂及其复配剂防治玉米草地贪夜蛾田间药效试验

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滕啸峰, 赵虹, 彭立新, 等. 甲维盐单剂及其复配剂防治玉米草地贪夜蛾田间药效试验[J]. 植物医学, 2023, (2): 55-58. doi: 10.13718/j.cnki.zwyx.2023.02.008

引用本文:

滕啸峰, 赵虹, 彭立新, 等. 甲维盐单剂及其复配剂防治玉米草地贪夜蛾田间药效试验[J]. 植物医学, 2023, (2): 55-58. doi: 10.13718/j.cnki.zwyx.2023.02.008

TENG Xiaofeng, ZHAO Hong, PENG Lixin, et al. Field Efficacy of EmamectinSingle Agent and Its Compound Against Spodoptera frugiperda in Maize Grassland[J]. PLANT HEALTH AND MEDICINE, 2023, (2): 55-58. doi: 10.13718/j.cnki.zwyx.2023.02.008

Citation:

TENG Xiaofeng, ZHAO Hong, PENG Lixin, et al. Field Efficacy of EmamectinSingle Agent and Its Compound Against Spodoptera frugiperda in Maize Grassland[J]. PLANT HEALTH AND MEDICINE, 2023, (2): 55-58. doi: 10.13718/j.cnki.zwyx.2023.02.008

甲维盐单剂及其复配剂防治玉米草地贪夜蛾田间药效试验

四川省凉山彝族自治州德昌县农业农村局, 四川德昌 615500

详细信息

作者简介:
滕啸峰,助理农艺师,主要从事植保技术推广和研究工作. .

中图分类号: S435.132

Field Efficacy of EmamectinSingle Agent and Its Compound Against Spodoptera frugiperda in Maize Grassland

Agriculture and Rural Affair Bureau of Dechang County, Dechang Sichuan 615500, China

摘要: 为提高在玉米上草地贪夜蛾的防治效果及延缓害虫抗药性的产生，选择甲维盐单剂、甲维盐复配剂及增效助剂进行田间药效试验.结果表明，在保证对作物安全的情况下，4种药剂处理(处理A： 5%甲维盐+增效剂金刚钻、处理B： 5%甲维盐、处理C： 30%甲维·茚虫威、处理D： 15%甲维·虱螨脲·虫螨腈，以清水处理为对照)药后3 d的校正死亡率达到84.21%～87.27%，其中A处理的最高，但各处理间无显著差异；药后15 d受害株数稳定，与药后3 d的受害株数相比，A，B，C，D 4个处理的受害株增长率分别为1.54%，6.15%，4.92%和4.15%，均低于清水(对照)处理的15.5%.以上结果说明，甲维盐单剂+增效剂金刚钻(处理A)的防治效果明显优于单剂和其他复配剂，其对草地贪夜蛾幼虫的速效性高(药后3 d的虫口死亡率高)、持效性好(受害株增长率低)，在玉米种植过程中，可进一步通过示范予以推广.
- 甲维盐 /
- 玉米 /
- 草地贪夜蛾 /
- 防治 /
- 药效试验
Abstract: In order to improve the effect on control of Spodoptera frugiperda in maize grassland and delay the development of chemical resistance in Spodoptera frugiperda， single agent of emamectin， compound agent of emamectin and synergizing agent of emamectin were selected for the field experiment. The results showed that under the condition of ensuring the safety of crops， four kinds of chemical treatments were applied (treatment A： 5% metrel salt + synergist emery， treatment B： 5% Metrel salt， treatment C： 30% metrel-indocarb， treatment D： 15% Metrel. The adjusted death ratesat 3 days after treatment reached 84.21% to 87.27%， among which A treatment was the highest， but there was no significant difference among the treatments. After 15 days of application， the growth rates of damaged maize in A， B， C and D treatments were 1.54%， 6.15%， 4.92% and 4.15%， respectively， which were lower than that of 15.5% in CK treatment. The treatment A with the higher mortality and the lower growth rate is with good potential in control of Spodoptera frugiperda.
- emamectin /
- corn /
- Spodoptera frugiperda /
- pest control /
- pharmacodynamics .

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甲维盐单剂及其复配剂防治玉米草地贪夜蛾田间药效试验

作者简介: 滕啸峰,助理农艺师,主要从事植保技术推广和研究工作.
四川省凉山彝族自治州德昌县农业农村局, 四川德昌 615500

收稿日期: 2023-03-20

关键词:

摘要: 为提高在玉米上草地贪夜蛾的防治效果及延缓害虫抗药性的产生，选择甲维盐单剂、甲维盐复配剂及增效助剂进行田间药效试验.结果表明，在保证对作物安全的情况下，4种药剂处理(处理A： 5%甲维盐+增效剂金刚钻、处理B： 5%甲维盐、处理C： 30%甲维·茚虫威、处理D： 15%甲维·虱螨脲·虫螨腈，以清水处理为对照)药后3 d的校正死亡率达到84.21%～87.27%，其中A处理的最高，但各处理间无显著差异；药后15 d受害株数稳定，与药后3 d的受害株数相比，A，B，C，D 4个处理的受害株增长率分别为1.54%，6.15%，4.92%和4.15%，均低于清水(对照)处理的15.5%.以上结果说明，甲维盐单剂+增效剂金刚钻(处理A)的防治效果明显优于单剂和其他复配剂，其对草地贪夜蛾幼虫的速效性高(药后3 d的虫口死亡率高)、持效性好(受害株增长率低)，在玉米种植过程中，可进一步通过示范予以推广.

English Abstract

Field Efficacy of EmamectinSingle Agent and Its Compound Against Spodoptera frugiperda in Maize Grassland

四川省凉山彝族自治州德昌县农业农村局, 四川德昌 615500

Received Date: 2023-03-20

Keywords:

Abstract: In order to improve the effect on control of Spodoptera frugiperda in maize grassland and delay the development of chemical resistance in Spodoptera frugiperda， single agent of emamectin， compound agent of emamectin and synergizing agent of emamectin were selected for the field experiment. The results showed that under the condition of ensuring the safety of crops， four kinds of chemical treatments were applied (treatment A： 5% metrel salt + synergist emery， treatment B： 5% Metrel salt， treatment C： 30% metrel-indocarb， treatment D： 15% Metrel. The adjusted death ratesat 3 days after treatment reached 84.21% to 87.27%， among which A treatment was the highest， but there was no significant difference among the treatments. After 15 days of application， the growth rates of damaged maize in A， B， C and D treatments were 1.54%， 6.15%， 4.92% and 4.15%， respectively， which were lower than that of 15.5% in CK treatment. The treatment A with the higher mortality and the lower growth rate is with good potential in control of Spodoptera frugiperda.