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Preparation, Characterization, and Insecticidal Activity of Avermectin-Grafted-Carboxymethyl Chitosan
Li, Yan1,2,3; Qin, Yukun1,3; Liu, Song1,3; Xing, Ronge1,3; Yu, Huahua1,3; Li, Kecheng1,3; Li, Pengcheng1,3
2016
Source PublicationBIOMED RESEARCH INTERNATIONAL
SubtypeArticle
AbstractAvermectin-grafted-N, O-carboxymethyl chitosan (NOCC) derivative was obtained by esterification reaction using dicyclohexylcarbodiimide (DCC) as dehydrating agent and 4-methylaminopyridine as catalyst. The structures of the conjugate were confirmed by FT-IR, H-1 NMR, and XRD. Insecticidal activities against armyworms, carmine spidermites, black bean aphids, and brown plant hoppers were investigated at concentrations ranging from 0.16 to 1000 mg/L. At the concentration of 1000 mg/L and 500 mg/L, the lethal rate was 100%. Good insecticidal activity at 4 mg/L was still shown, especially against the black bean aphids and brown plant hoppers. Moreover, the photostability of the conjugate was evaluated and showed an apparent improvement. At 300 mins, the residual rate of the conjugate was 11.22%, much higher than 0.2% of the avermectin technical material. The conjugate we developed showed potential for further study and application in crop protection.
DOI10.1155/2016/9805675
Indexed BySCI
Language英语
WOS IDWOS:000375566200001
Citation statistics
Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/131031
Collection海洋生物技术研发中心
实验海洋生物学重点实验室
海洋环境工程技术研究发展中心
Affiliation1.Chinese Acad Sci, Inst Oceanol, 7 Nanhai Rd, Qingdao 266071, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Inst Oceanol, Key Lab Expt Marine Biol, 7 Nanhai Rd, Qingdao 266071, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Li, Yan,Qin, Yukun,Liu, Song,et al. Preparation, Characterization, and Insecticidal Activity of Avermectin-Grafted-Carboxymethyl Chitosan[J]. BIOMED RESEARCH INTERNATIONAL,2016.
APA Li, Yan.,Qin, Yukun.,Liu, Song.,Xing, Ronge.,Yu, Huahua.,...&Li, Pengcheng.(2016).Preparation, Characterization, and Insecticidal Activity of Avermectin-Grafted-Carboxymethyl Chitosan.BIOMED RESEARCH INTERNATIONAL.
MLA Li, Yan,et al."Preparation, Characterization, and Insecticidal Activity of Avermectin-Grafted-Carboxymethyl Chitosan".BIOMED RESEARCH INTERNATIONAL (2016).
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