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Enhancement of Insecticidal Activity of the Acetamiprid Soluble Concentrate using a Photostabilizer  

Kim, Hyeong-Min (Central Research Institute, Kyung Nong Co.)
Lee, Weon-Kee (Central Research Institute, Kyung Nong Co.)
Kim, Jong-Kwan (Central Research Institute, Kyung Nong Co.)
Seok, Chang-Su (Central Research Institute, Kyung Nong Co.)
Lee, Chang-Hyuk (Central Research Institute, Kyung Nong Co.)
Yu, Yong-Man (Department of Applied Biology, College of Agriculture and Life Sciences, Chungnam National University)
Hwang, In-Cheon (Central Research Institute, Kyung Nong Co.)
Publication Information
The Korean Journal of Pesticide Science / v.10, no.3, 2006 , pp. 210-217 More about this Journal
Abstract
The study was carried out to select the effective adjuvant as a photostabilizer for acetamiprid 5% SL(soluble concentrate) and to find its optimum content by using chemical and biological methods. Adjuvants used for the study were KS1 and KS2. Photodegradation test, insecticidal efficacies and residual analysis for the study were investigated. Although photodegradation rate of acetamiprid SL was decreased by addition of KS1 and KS2, the difference between KS1 and KS2 was not significant. As KS2 showed better efficacies against the cotton aphid (Aphis gossypii) and higher amount of residue on pepper than KS1, KS2 was selected as a photostabilizer for acetamiprid SL. Acetamipid SL with KS2 showed lower photodegradation rate, better efficacies against the cotton aphid (Aphis gossypii) and higher amount of residue on pepper as content of KS2 in acetamiprid SL was decreased. Therefore, it was concluded that the optimum content of KS2 was 0.1%. These results have demonstrated that the selected adjuvant could be used to enhance insecticidal activity and reduce spay dose of insecticide by protecting its photodegradation.
Keywords
soluble concentrate; photodegradation; photostabilizer; acetamiprid;
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