昆虫病原真菌 Metarhizium anisopliae(子囊菌目:Hypocreales)与捕食性毛蝉类 Menochilus sexmaculatus(科尔:毛蝉科)在防治棉蚜(Hem.)

IF 1.4 3区 农林科学 Q2 ENTOMOLOGY Neotropical Entomology Pub Date : 2024-08-01 Epub Date: 2024-06-14 DOI:10.1007/s13744-024-01163-4
Haniieh Atrchian, Kamran Mahdian, Hamzeh Izadi
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摘要

Metarhizium anisopliae(子囊菌目:Hypocreales)是一种昆虫病原真菌,被认为是对多种作物上的几种害虫进行综合防治的关键因素。捕食性茧丝蝇(Menochilus sexmaculatus,Col.: Coccinellidae)也是一种重要的天敌,必须加以保护才能有效控制蚜虫。在受控条件下进行了实验室研究,以调查 M. anisopliae 分离物 IRN.1 与茧蜂天敌 M. sexmaculatus 在防治棉蚜(Aphis gossypii Glover)(Hem.联合施用蚜茧蜂和蚜茧蜂可显著减少蚜虫数量。M.sexmaculatus的觅食行为明显促进了M. anisopliae分生孢子向未感染植物的扩散,10天后蚜虫密度下降了54 ± 1.3%。在选择性和非选择性实验中,雌性成虫都将真菌感染的蚜虫作为猎物,并在所有饥饿期避免将其作为食物来源。然而,未受真菌感染的活蚜虫和死蚜虫都被当作食物。这一结果揭示了雌蚜茧蜂与绵蚜茧蜂之间的相容性,这可能为在种植系统中有效管理棉蚜提供了一种可持续的策略。
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Compatibility of the Entomopathogenic Fungus Metarhizium anisopliae (Ascomycota: Hypocreales) and the Predatory Coccinellid Menochilus sexmaculatus (Col.: Coccinellidae) for Controlling Aphis gossypii (Hem.: Aphididae).

Metarhizium anisopliae (Ascomycota: Hypocreales) is an entomopathogenic fungus considered a key factor in developing integrated management of several insect pests on a variety of crops. The predatory coccinellid, Menochilus sexmaculatus (Col.: Coccinellidae), is also an important natural enemy that must be conserved for effective aphid control. Laboratory studies were conducted under controlled conditions to investigate the interaction between M. anisopliae isolate IRN. 1 and the coccinellid predator M. sexmaculatus in combating Aphis gossypii Glover (Hem.: Aphididae). The combined application of M. sexmaculatus and M. anisopliae led to significant reduction in aphid populations. The foraging behavior of M. sexmaculatus notably facilitated the dispersion of M. anisopliae conidia to uninfected plants, resulting 54 ± 1.3% decrease in aphid density after 10 days. In both choice and non-choice experiments, female adult M. sexmaculatus to fungus-infected aphids was offered as prey and avoided as a food source during all starvation periods. However, live and dead non-fungus-infected aphids were fed upon. The result revealed the compatibility between M. sexmaculatus and M. anisopliae, which may provide a sustainable strategy for the effective management of A. gossypii in a cropping system.

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来源期刊
Neotropical Entomology
Neotropical Entomology 生物-昆虫学
CiteScore
3.30
自引率
5.60%
发文量
69
审稿时长
6-12 weeks
期刊介绍: Neotropical Entomology is a bimonthly journal, edited by the Sociedade Entomológica do Brasil (Entomological Society of Brazil) that publishes original articles produced by Brazilian and international experts in several subspecialties of entomology. These include bionomics, systematics, morphology, physiology, behavior, ecology, biological control, crop protection and acarology.
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