Comparative toxicity of essential oils, their emulsifiable concentrates and nanoemulsion formulations against the bean aphid, Aphis fabae

IF 1 Q3 PLANT SCIENCES

Archives of Phytopathology and Plant Protection Pub Date : 2023-02-07 DOI:10.1080/03235408.2023.2178065

N. Abdelmaksoud, A. El-Bakry, E. Sammour, N. F. Abdel-Aziz

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引用次数: 2

Abstract

Abstract The present study aims to prepare emulsifiable concentrate (EC) and nanoemulsion formulations from the plant essential oils of Lavandula angustifolia (Mill.), Ambrosia maritima (L.), Commiphora myrrha (Nees) Engl., Juniperus virginiana (L.), Rheum palmatum (L.) and Tagetes minuta (L.). The efficiency of these essential oils along with their formulations were compared against the bean aphid, Aphis fabae (Scopoli). Results disclosed that all EC preparations passed the emulsion stability and foam formation tests. The particle droplet size of the nanoemulsions varied from 64.3 to 264.7 nm. The toxicity of EC formulations was slightly higher than the corresponding nanoemulsion formulations. Both EC and nanoemulsion of R. palmatum were the most efficient (LC50 = 1003.60 and 1105.34 mg L−1, respectively). EC preparations had no adverse effects on seed beans. The absence of organic solvents and the high aphicidal activity of EC formulations might make these preparations suitable for controlling A. fabae.

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精油及其乳油和纳米乳液制剂对蚕豆蚜的毒性比较

摘要本研究旨在以薰衣草(Lavandula angustifolia, Mill.)、海棠花(Ambrosia maritima, L.)、没药(Commiphora myrrha, Nees)等植物精油为原料，制备可乳化浓缩物(EC)和纳米乳制剂。、杜松(L.)、大黄(L.)和万寿菊(L.)。将这些精油及其配方与豆蚜(Aphis fabae, Scopoli)进行了比较。结果表明，所有EC制剂均通过乳状稳定性和泡沫形成试验。纳米乳液的粒径范围为64.3 ~ 264.7 nm。EC制剂的毒性略高于相应的纳米乳制剂。乳剂和纳米乳对掌叶枯的抑菌效果最好(LC50分别为1003.60和1105.34 mg L−1)。EC制剂对种豆无不良影响。该制剂不含有机溶剂，且具有较高的杀蚜活性，适合用于防治蚕豆蚜。

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来源期刊

Archives of Phytopathology and Plant Protection Agricultural and Biological Sciences-Agronomy and Crop Science

CiteScore

2.20

自引率

0.00%

发文量

100

期刊介绍： Archives of Phytopathology and Plant Protection publishes original papers and reviews covering all scientific aspects of modern plant protection. Subjects include phytopathological virology, bacteriology, mycology, herbal studies and applied nematology and entomology as well as strategies and tactics of protecting crop plants and stocks of crop products against diseases. The journal provides a permanent forum for discussion of questions relating to the influence of plant protection measures on soil, water and air quality and on the fauna and flora, as well as to their interdependence in ecosystems of cultivated and neighbouring areas.