Performance of Entomopathogenic Fungal-Based Insecticides against the Citrus Mealybug (Hemiptera: Pseudococcidae) on Coleus (Lamiales: Lamiaceae) Plants under Greenhouse Conditions1

IF 0.7 4区 农林科学 Q4 ENTOMOLOGY
N. J. Herrick, R. Cloyd
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引用次数: 1

Abstract

Abstract The citrus mealybug, Planococcus citri (Risso) (Hemiptera: Pseudococcidae), is an important insect pest of greenhouse-grown horticultural crops. Citrus mealybug causes direct plant damage when feeding on plant leaves, stems, flowers, and fruits, and this damage can result in substantial economic losses. Insecticides are used to manage citrus mealybug populations in greenhouse production systems. Although entomopathogenic fungal-based insecticides are labeled for use against citrus mealybug, there is no quantitative information on their efficacy against this insect pest under greenhouse conditions. Consequently, four experiments were conducted in a research greenhouse at Kansas State University (Manhattan) from 2020 to 2022 to determine the efficacy of three commercially available entomopathogenic fungal-based insecticides on citrus mealybug feeding on coleus, Solenostemon scutellarioides (L.) Codd (Lamiales: Lamiaceae), plants: Beauveria bassiana strain GHA (BotaniGard®, Laverlam International Corp., Butte, MT), B. bassiana strain PPRI 5339 (Velifer™, BASF, Research Triangle, NC), and Isaria fumosorosea Apopka strain 97 (Ancora®, OHP, Inc., Bluffton, SC). The surfactant polyether and polyether-polymethylsiloxane-copolymer (CapSil®, Aquatrols, Paulsboro, NJ) was added to spray solutions to determine whether the surfactant would enhance efficacy. The entomopathogenic fungal-based insecticides, with or without the surfactant, were not effective in managing citrus mealybug populations, with <50% mortality in all four experiments. Our study indicates that entomopathogenic fungal-based insecticides are not effective in managing citrus mealybug populations in greenhouses.
昆虫病原真菌类杀虫剂在温室条件下对柑桔粉蚧(半翅目:假球虫科)的防治效果[j]
摘要柑桔粉蚧是温室园艺作物中的一种重要害虫。柑橘粉蚧以植物的叶、茎、花和果实为食时会对植物造成直接损害,这种损害会导致巨大的经济损失。杀虫剂被用于管理温室生产系统中的柑橘粉蚧种群。尽管基于昆虫病原真菌的杀虫剂被标记为可用于对付柑橘粉蚧,但目前还没有关于它们在温室条件下对这种害虫的功效的定量信息。因此,从2020年到2022年,在堪萨斯州立大学(曼哈顿)的一个研究温室里进行了四项实验,以确定三种商用昆虫病原真菌杀虫剂对以coleus、Solenostemon scutellarioides(L.)Codd(Lamiales:Lamiaceae)、,植物:球孢白僵菌菌株GHA(BotaniGard®,Laverlam International Corp.,Butte,MT),球孢白粉菌菌株PPRI 5339(Velifer™, BASF,Research Triangle,NC)和Isaria fumosorosea Apopka菌株97(Ancora®,OHP,股份有限公司,Bluffton,SC)。表面活性剂聚醚和聚醚-聚甲基硅氧烷共聚物(CapSil®,Aquatrolls,Paulsboro,NJ)被添加到喷雾溶液中,以确定表面活性剂是否会增强功效。基于昆虫病原真菌的杀虫剂,无论是否使用表面活性剂,在管理柑橘粉蚧种群方面都无效,在所有四个实验中死亡率均低于50%。我们的研究表明,基于昆虫病原真菌的杀虫剂在管理温室中的柑橘粉蚧种群方面无效。
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来源期刊
CiteScore
1.20
自引率
11.10%
发文量
40
审稿时长
>12 weeks
期刊介绍: The Journal of Entomological Science (ISSN 0749-8004) is a peer-reviewed, scholarly journal that is published quarterly (January, April, July, and October) under the auspices of the Georgia Entomological Society in concert with Allen Press (Lawrence, Kansas). Manuscripts deemed acceptable for publication in the Journal report original research with insects and related arthropods or literature reviews offering foundations to innovative directions in entomological research
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