|Table of Contents|

Toxicity and Field Control Efficacy of Six Pesticides to  the Bean Aphid Aphis craccivora  Koc (Hemiptera：Aphididae)(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2013年15期
Page:
132-134
Research Field:
Publishing date:

Info

Title:
Toxicity and Field Control Efficacy of Six Pesticides to  the Bean Aphid Aphis craccivora  Koc (Hemiptera：Aphididae)
Author(s):
GONG Ya-jun; SHI Bao-cai; KANG Zong-jiang; WANG Ze-hua; ZHU Liang; WEI Shu-jun
Institute of Plant and Environmental Protection,Beijing Academy of Agriculture and Forestry Sciences,Beijing 100097
Keywords:
pesticide; Lipaphis erysimi; bioassay; field control efficacy
PACS:
S 436.43
DOI:
-
Abstract:
Taking Aphis craccivora Koch as tested pest,the toxicity and field control efficacy of six insecticides to bean aphid Aphis craccivora Koch (Hemiptera：Aphididae) were studied.The toxicity test results showed that the bean aphid developed high resistance to 74.6% Emamectin benzoate with a mortality of 3036% after 24 hours under the concentration of 1 000 mg/L.This aphid showed the highest sensitivity to 95% Beta cypermethrin with a LC-50of 81609 mg/L.The order of the toxicity of the six tested pesticides to the bean aphid from high to low was 95%  Beta cypermethrin,95% Chlorpyrifos,98% Acetamiprid,94% Abamectin,96% Imidacloprid and 74.6% Emamectin benzoate.The field experiments showed that the tested pesticides all had good control efficacy to the bean aphid with at least 99% control efficacy in 3 and 7 days except for Emamectin benzoate.Most of the presently used pesticides had high control efficacy to the bean aphid except for the 74.6% Emamectin benzoate.

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Last Update: 2014-08-12