原产于畜牧业土壤中的黑僵菌（metarhizium anisopliae sensu lato）对小甲鱼幼虫和成虫造成高死亡率，并影响其繁殖

IF 1 4区医学 Q4 PARASITOLOGY

Journal of Parasitology Pub Date : 2024-03-19 DOI:10.1645/23-27

F. Velázquez-Sarmiento, R. I. Rodríguez-Vivas, M. A. Alonso-Díaz, A. Fernández-Salas, D. Romero-Salas

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引用次数: 0

摘要

对从墨西哥热带地区畜牧场土壤中分离出的 14 株黑僵菌（Metarhizium anisopliae sensu lato）的杀螨效果进行了评估，这些菌株针对的是 Rhipicephalus microplus（Ixodida: Ixodidae）的幼虫、吞食的雌虫以及产卵和孵化期间的卵。对于每种真菌菌株，幼虫死亡率都是通过幼虫浸泡试验来评估的，而吞食雌虫的繁殖效率指数则是通过成虫浸泡试验（分生孢子剂量为 1 × 108 个/毫升）来测量的。结果表明，所有 M. anisopliae（s.l.）菌株对 R. microplus 幼虫（66%-100%）和吞食雌虫（100%）都非常有效。这些菌株在抑制产卵（16.45-56.38%）方面也表现出良好效果，在减少卵孵化（5.24-32.68%）方面表现出中等效果。两株菌株以综合方式证明对 R. microplus 的所有发育阶段都有效。

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METARHIZIUM ANISOPLIAE SENSU LATO NATIVE TO LIVESTOCK SOILS CAUSES HIGH MORTALITY ON RHIPICEPHALUS MICROPLUS LARVAE, ADULTS AND AFFECTS THEIR REPRODUCTION

The acaricidal effect of 14 strains of Metarhizium anisopliae sensu lato isolated from soil of livestock farms in the Mexican tropics was evaluated against larvae and engorged females, and during the laying and hatching of eggs of Rhipicephalus microplus (Ixodida: Ixodidae). For each fungal strain, the larvae mortality percentage was evaluated through a larval immersion test, while the reproductive efficiency indices in engorged females were measured using adult immersion tests at a dose of 1 × 10⁸ conidia/ml. All strains of M. anisopliae (s.l.) proved to be highly effective against R. microplus larvae (66–100%) and engorged females (100%). The strains also showed a good effect in inhibiting egg laying (16.45–56.38%) and a moderate effect in decreasing egg hatching (5.24–32.68%). Two strains demonstrated to be effective against all development phases of R. microplus in an integrated manner.

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来源期刊

Journal of Parasitology 医学-寄生虫学

CiteScore

2.10

自引率

7.70%

发文量

审稿时长

2 months

期刊介绍： The Journal of Parasitology is the official peer-reviewed journal of the American Society of Parasitologists (ASP). The journal publishes original research covering helminths, protozoa, and other parasitic organisms and serves scientific professionals in microbiology, immunology, veterinary science, pathology, and public health. Journal content includes original research articles, brief research notes, announcements of the Society, and book reviews. Articles are subdivided by topic for ease of reference and range from behavior and pathogenesis to systematics and epidemiology. The journal is published continuously online with one full volume printed at the end of each year.