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异烟酸甲酯/α-环糊精微胶囊制备及其对蓟马的引诱效果分析

引用本文：陈艺欣,林硕,田厚军,林凌鸿,李恒,陈勇,魏辉.异烟酸甲酯/α-环糊精微胶囊制备及其对蓟马的引诱效果分析.植物保护学报,2024,51(1):193-202

DOI：10.13802/j.cnki.zwbhxb.2024.2022114

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作者	单位	E-mail
陈艺欣	福建省农业科学院植物保护研究所, 国家农业生物安全科学中心华东分中心, 福建省作物有害生物监测与治理重点实验室, 福建省作物有害生物绿色防控工程研究中心, 福州 350013
林硕	福建省农业科学院植物保护研究所, 国家农业生物安全科学中心华东分中心, 福建省作物有害生物监测与治理重点实验室, 福建省作物有害生物绿色防控工程研究中心, 福州 350013
田厚军	福建省农业科学院植物保护研究所, 国家农业生物安全科学中心华东分中心, 福建省作物有害生物监测与治理重点实验室, 福建省作物有害生物绿色防控工程研究中心, 福州 350013
林凌鸿	福建省农业科学院植物保护研究所, 国家农业生物安全科学中心华东分中心, 福建省作物有害生物监测与治理重点实验室, 福建省作物有害生物绿色防控工程研究中心, 福州 350013
李恒	福建省农业科学院植物保护研究所, 国家农业生物安全科学中心华东分中心, 福建省作物有害生物监测与治理重点实验室, 福建省作物有害生物绿色防控工程研究中心, 福州 350013
陈勇	福建省农业科学院植物保护研究所, 国家农业生物安全科学中心华东分中心, 福建省作物有害生物监测与治理重点实验室, 福建省作物有害生物绿色防控工程研究中心, 福州 350013	cheny0903@163.com
魏辉	福建省农业科学院植物保护研究所, 国家农业生物安全科学中心华东分中心, 福建省作物有害生物监测与治理重点实验室, 福建省作物有害生物绿色防控工程研究中心, 福州 350013	weihui@faas.cn

中文摘要:为研制环境友好型和可控释放的蓟马信息化合物新剂型，通过饱和溶液搅拌法制备异烟酸甲酯/α-环糊精微胶囊，采用L₉（3⁴）正交试验确定最佳包埋条件，通过红外光谱、X-衍射和扫描电镜对微胶囊结构进行分析，探讨微胶囊的释放动力学，并应用于田间大棚诱集蓟马明确其引诱效果。结果显示，微胶囊最佳包埋条件是温度为40℃、搅拌速率为800 r/min、芯壁质量比为0.3:1.0、反应时间为3 h，该条件下的包埋率为53.16%；制备的微胶囊呈球状结构，分散均匀；微胶囊释放动力学符合Korsmeyer-Peppas模型，其释放机制由Fickian扩散控制。微胶囊诱集瓜蓟马Thrips palmi的平均数量达到475.5只/板，分别是对照和异烟酸甲酯原药诱集数量的2.58倍和1.96倍，，说明微胶囊具有良好的缓释性能、持效期和引诱效果。表明蓟马引诱剂微胶囊化可提高其稳定性和持久性，可用于昆虫信息素缓释载体产品研发。

中文关键词:α-环糊精异烟酸甲酯微胶囊释放动力学蓟马引诱效果

Preparation of methyl isonicotinate/α-cyclodextrin microcapsules and their attractant effect on thrips

Author Name	Affiliation	E-mail
Chen Yixin	Fujian Engineering Research Center for Green Pest Management, Fujian Key Laboratory for Monitoring and Integrated Management of Crop Pests, East China Branch of the National Center For Agricultural Biosafety Sciences, Institute of Plant Protection, Fujian Academy of Agricultural Sciences, Fuzhou 350013, Fujian Province, China
Lin Shuo	Fujian Engineering Research Center for Green Pest Management, Fujian Key Laboratory for Monitoring and Integrated Management of Crop Pests, East China Branch of the National Center For Agricultural Biosafety Sciences, Institute of Plant Protection, Fujian Academy of Agricultural Sciences, Fuzhou 350013, Fujian Province, China
Tian Houjun	Fujian Engineering Research Center for Green Pest Management, Fujian Key Laboratory for Monitoring and Integrated Management of Crop Pests, East China Branch of the National Center For Agricultural Biosafety Sciences, Institute of Plant Protection, Fujian Academy of Agricultural Sciences, Fuzhou 350013, Fujian Province, China
Lin Linghong	Fujian Engineering Research Center for Green Pest Management, Fujian Key Laboratory for Monitoring and Integrated Management of Crop Pests, East China Branch of the National Center For Agricultural Biosafety Sciences, Institute of Plant Protection, Fujian Academy of Agricultural Sciences, Fuzhou 350013, Fujian Province, China
Li Heng	Fujian Engineering Research Center for Green Pest Management, Fujian Key Laboratory for Monitoring and Integrated Management of Crop Pests, East China Branch of the National Center For Agricultural Biosafety Sciences, Institute of Plant Protection, Fujian Academy of Agricultural Sciences, Fuzhou 350013, Fujian Province, China
Chen Yong	Fujian Engineering Research Center for Green Pest Management, Fujian Key Laboratory for Monitoring and Integrated Management of Crop Pests, East China Branch of the National Center For Agricultural Biosafety Sciences, Institute of Plant Protection, Fujian Academy of Agricultural Sciences, Fuzhou 350013, Fujian Province, China	cheny0903@163.com
Wei Hui	Fujian Engineering Research Center for Green Pest Management, Fujian Key Laboratory for Monitoring and Integrated Management of Crop Pests, East China Branch of the National Center For Agricultural Biosafety Sciences, Institute of Plant Protection, Fujian Academy of Agricultural Sciences, Fuzhou 350013, Fujian Province, China	weihui@faas.cn

Abstract:To develop an environmentally friendly and controllable release formulation of thrips pheromone, methyl isoniotinate/α-cyclodextrin microcapsules were prepared using a saturated solution stirring method. The optimal embedding conditions were determined through an L₉（3⁴） orthogonal experiment. The microcapsules structures were analyzed using infrared spectroscopy, X-ray diffraction, and scanning electron microscopy. The release kinetics of the microcapsules were investigated, and their attractant effect on thrips was evaluated in the greenhouses. The results showed that the optimal embedding conditions for the microcapsules were as follows: a reaction temperature of 40 ℃, a stirring rate of 800 r/min, a core-to-wall mass ratio of 0.3:1.0, and a reaction time of three hours. Under these conditions, the encapsulation efficiency reached 53.16%. The microcapsules exhibited a spherical morphology with even dispersion. The release kinetics of the microcapsules followed the Korsmeyer-Peppas model, with the release mechanism being controlled by Fickian diffusion. The field attraction results showed that the average number of Thrips palmi attracted by the microcapsules was 2.58 times higher than the control and 1.96 times higher than methyl nicotinate, reaching 475.5 thrips per trap. This demonstrated that the microcapsules had good sustained-release performance, duration, and attractant effect. These results indicated that the microencapsulation of thrips attractants can improve their stability and durability and can be used in the development of insect pheromone sustained-release carrier products.

keywords:α-cyclodextrin methyl isonicotinate microcapsule release kinetic thrips attractive effect

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