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西北农林科技大学 植物保护学院 Microemulsion formulation of a new biopesticide to control the diamondback moth (Lepidoptera: Plutellidae)2019-04-01-,足球正网开户,金三角娱乐场 - Welcome-默认标题模板

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西北农林科技大学 植物保护学院 Microemulsion formulation of a new biopesticide to control the diamondback moth (Lepidoptera: Plutellidae)

作者:   来源:科研办   发布日期:2019-03-26  足球外围次数:

       论文足球外围:Hainan Shao, Na Xi & Yalin Zhang* . 西北农林科技大学 植物保护学院 Microemulsion formulation of a new biopesticide to control the diamondback moth (Lepidoptera: Plutellidae).Scientific Reports(2018)8.

       JCR分区Q1,中科院大类三区, IF=4.122

       论文摘要:This study was designed to develop a microemulsion formulation of norcantharidin for the control of the diamondback moth (DBM), Plutella xylostella (Linnaeus), a notorious pest of brassica crops worldwide. The oil phase was screened and selected based on norcantharidin solubility while the surfactants were selected on the basis of their efficiency to form microemulsion. Optimized batches were selected using pseudo ternary phase diagrams. The microemulsion system were stabilized using mixtures composed of norcantharidin, surfactants (Tx13 and Tw80), and cosurfactant (ethanol). Its physicochemical characteristics were also demonstrated to have a higher cloud point than 72 °C as well as good thermodynamic and dilution stability. In additon, a subsequent insecticidal bioassay indicated that the acute LC 50 for norcantharidin microemulsion to P. xylostella was estimated to be 12.477 mg/L (11.58–13.41, 95% CL). Our results provide an environment-friendly promising alternative to control P.ylostella and possibly contribute to ameliorating any pesticide resistance in P. xylostella.

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