Insecticidal activity of essential oil from Eucalyptus globulus against Aphis nerii (Boyer) and Gynaikothrips ficorum (Marchal)

Q4 Agricultural and Biological Sciences

AgriScientia Pub Date : 2018-06-29 DOI:10.31047/1668.298X.V1.N35.20458

S. Russo, M. Y. Grass, H. C. Fontana, E. Leonelli

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引用次数: 10

Abstract

Aphids and thrips are very important pest species of many greenhouse and field plants in the world. In recent years, there have been attempts to identify plants for their insecticidal property with a view to find out suitable alternatives to the indiscriminate use of chemical pesticides, which are a risk for human health and the environment. The aim of this work was to evaluate the insecticidal effect of Eucalyptus globulus Labill essential oil (EO) against Aphis nerii Boyer de Fonscolombe (Hemiptera: Aphididae) and Gynaikothrips ficorum Marchal (Thysanoptera: Ploeothridae). The EO was extracted by hydrodistillation and the bioassay was evaluated by toxicity contact method, using solutions at different concentrations and for different time intervals. The EO was more toxic to G. ficorum (LC50 = 0.031?L cm-2) than A. nerii (LC50 = 0.099?L cm-2) on filter discs at 12 h of exposure. These results suggested that EO from E. globulus constitute a good alternative for the control of A. nerii and G. ficorum, considering their insecticidal effects at low applied concentrations and for short periods of time.

查看原文本刊更多论文

蓝桉挥发油对灰蚜(Aphis nerii)和榕蛾(gyaikothrips ficorum)的杀虫活性

蚜虫和蓟马是世界上许多温室和田间植物的重要害虫。近年来，人们试图鉴定植物的杀虫特性，以期找到合适的替代品来避免滥用化学农药，因为化学农药对人类健康和环境都有风险。本研究的目的是评价蓝桉精油（EO）对苦苣蚜（半翅目：Aphididae）和ficorum Marchal（Thysanoptera：Pleothridae）的杀虫效果。EO通过加氢蒸馏提取，生物测定通过毒性接触法进行评估，使用不同浓度和不同时间间隔的溶液。在暴露12小时的滤盘上，EO对榕树的毒性（LC50=0.031？L cm-2）大于对苦苣苔的毒性（LC 50=0.099？L cm--2）。这些结果表明，考虑到它们在低施用浓度和短时间内的杀虫效果，球孢杆菌的EO是控制苦苣苔和榕树的良好替代品。

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来源期刊

AgriScientia Agricultural and Biological Sciences-Agronomy and Crop Science

CiteScore

0.30

自引率

0.00%

发文量

审稿时长

22 weeks

期刊介绍： AgriScientia es una revista de acceso abierto, de carácter científico-académico, gestionada por el Área de Difusión Científica de la Facultad de Ciencias Agropecuarias de la Universidad Nacional de Córdoba, Argentina. La revista recibe artículos en los idiomas español e inglés. El objetivo de esta publicación es la difusión de los resultados de investigaciones de carácter agronómico. Está destinada a investigadores, estudiantes de pregrado, grado y posgrado, profesionales en el área de las ciencias agropecuarias y público en general interesado en las temáticas relacionadas. Su periodicidad es semestral. Los artículos se reciben durante todo el año. Los tipos de documentos que se publican son artículos científicos, comunicaciones y revisiones.