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Toxicity Test and Demonstration Experiment to Wolfberry Aphis in Delincha Area(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2012年10期
Page:
148-151
Research Field:
Publishing date:

Info

Title:
Toxicity Test and Demonstration Experiment to Wolfberry Aphis in Delincha Area
Author(s):
GUO Rui; YAN Lin; JIN Sheng-ying; YAN Sheng-cui
College of Agriculture and Animal Husbandry,Qinghai University,Xining,Qinghai 810016
Keywords:
Lycium barbarum L.; Aphis sp.; toxicity bioassay; the demonstration experiment
PACS:
S 436.639
DOI:
-
Abstract:
Thirteen insecticides indor laboratory toxicology and the demonstration experiment of five pesticides efficacy in field to wolfberry (Lycium barbarum L.) Aphis were studied. The results showed that the LD50 of thirteen kinds of insecticides sensitivity against Aphis ascending order were that:16% Pyridaben WP,48% chlorpyrifos EC,3% Cyhalothrin EC,4.5%beta-Cypermethrin EC,1.8% abamectin EC,3%acetamiprid Ding EC,11.2% Avi?oxazoline EC,10% imidacloprid agent WG,25% Actara WG,70% thiamethoxam ZC,20%acetamiprid Ding WP,4.2% Cypermethri?Emamectin benzoate EC,1.8% AVI?imidacloprid WG.In the application of the five pesticides in the field control wolfberry Aphis,the 3% acetamiprid Ding EC and 25% Actara WG effective control aphids，but the persistence of 25%Actara WG was better for 15 days after sprayed the drug control efficiency could reach 89.89%.In contrast,4.5% beta-Cypermethrin EC and 70% thiamethoxam ZC of control Aphis persistence were not length,15 days after drug control effect of two agents almost zero.3% acetamiprid Ding EC used 3 000 times dilution.

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Last Update: 2014-09-05