硫化铜纳米水分散剂对埃及伊蚊的杀幼虫作用

IF 1.2 4区农林科学 Q3 ENTOMOLOGY

African Entomology Pub Date : 2022-08-16 DOI:10.17159/2254-8854/2022/a13589

K. Sandhu, N. Vashishat, A. Sidhu

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引用次数: 0

摘要

纳米技术已成为害虫治理的一个有前景的领域。众所周知的登革热、基孔肯雅热和登革出血热媒介埃及伊蚊(林奈伊蚊)在幼虫阶段没有消灭它们的商业管理做法。本研究采用标准方法，利用声化学辐照法合成了具有生物电势特性的铜的最解毒形式之一的硫化铜，并对其对伊蚊的杀幼虫能力进行了评价。蚊。与对照相比，观察了处理后幼虫的各种形态变化。在7 ppm浓度下，幼虫对CuSNPs最敏感，24 h内死亡率为100%。利用POLO软件计算LC50和LC90分别为4.42和5.73 ppm。与对照相比，处理后的幼虫上皮层受损。低剂量硫化铜纳米制剂抗Ae效果显著。埃及伊蚊幼虫主张进一步探索媒介控制规划。

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Larvicidal potential of copper sulphide nano aqua dispersions against Aedes aegypti (Linnaeus)

Nanotechnology has emerged as promising field in insect pest management. Aedes aegypti (Linnaeus) a well-known vector of dengue, chikungunya, and dengue haemorrhagic fever has no commercial management practice for their eradication at the larval stage. In the present study, copper sulphide one of the most detoxified form of copper with biopotential properties was synthesised by standard methodology using sonochemical irradiation method and was evaluated for their larvicidal potential against Ae. aegypti. Treated larvae were observed for various morphological changes as compared to control. Larvae were most susceptible to CuSNPs at 7 ppm showing 100% mortality within 24 h. LC50 and LC90 values calculated with the help of POLO software were 4.42 and 5.73 ppm. The epithelium layer of treated larvae was damaged as compared to control. Remarkable results of copper sulphide nanoformulations at low dosage against Ae. aegypti larvae advocates their further exploration for vector control programmes.

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来源期刊

African Entomology 生物-昆虫学

CiteScore

2.00

自引率

0.00%

发文量

审稿时长

6-12 weeks

期刊介绍： African Entomology (ISSN 1021-3589 – print / 2224-8854 – online) replaced the old Journal of the Entomological Society of Southern Africa in 1993. A single volume consisting of two issues (March and September) is published annually. The journal is indexed in all major abstracting journals African Entomology is a peer reviewed scientific journal that publishes original research articles and short communications on all aspects of entomology, with an emphasis on the advancement of entomology on the African continent.