古巴中部玉米和香蕉农业生态系统中白僵菌和绿僵菌的丰度

Q4 Agricultural and Biological Sciences

Agronomia Colombiana Pub Date : 2022-04-30 DOI:10.15446/agron.colomb.v40n1.100886

Y. Ramos, A. Taibo, Andy Luis Alvarez Vega, Chabeli Abreu Lemes, R. Castañeda-Ruiz, O. Portal

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引用次数: 0

摘要

昆虫病原真菌是控制农业害虫的一种生态替代品。这些真菌生活在土壤中的有机物中，可以在许多与根际相关的节肢动物中引起自然流行病。本研究的目的是评估古巴中部玉米和香蕉农业生态系统中白僵菌和绿僵菌的丰度。采用选择性培养基和诱虫方法从土壤中分离出昆虫病原真菌。在这两种类型的农业生态系统中，绿僵菌的数量都明显高于白僵菌。绿僵菌的丰度在萨瓜拉格兰德市高于圣克拉拉市和卡马圭市。昆虫诱饵法是从土壤中分离昆虫病原真菌最成功的方法。这些结果显示了不同农业生态系统中昆虫病原真菌的组成，是对其生态学理解的进步。

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Abundance of Beauveria spp. and Metarhizium spp. in maize and banana agroecosystems in central Cuba

Entomopathogenic fungi are an ecological alternative for the control of agricultural pests. These fungi live in organic matter in the soil and can cause natural epizootics in many arthropods associated with the rhizosphere. The aim of this study was to evaluate the abundance of Beauveria and Metarhizium spp. in maize and banana agroecosystems in central Cuba. Selective medium and insect baiting methods were used to isolate the entomopathogenic fungi from the soil. Metarhizium spp. were significantly more abundant than Beauveria spp. in both types of fields of agroecosystems. The abundance of Metarhizium spp. was higher in Sagua la Grande than in Santa Clara and Camajuaní municipalities. The insect bait method resulted as the most successful way to isolate entomopathogenic fungi from soil. These results show the composition of the entomopathogenic fungi in different agroecosystems, and they are an advance in the understanding of their ecology.

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来源期刊

Agronomia Colombiana Agricultural and Biological Sciences-Agronomy and Crop Science

CiteScore

1.00

自引率

0.00%

发文量

审稿时长

25 weeks

期刊介绍： Agronomia Colombiana journal it is intended to transfer research results in different areas of tropical agronomy. Original unpublished papers are therefore accepted in the following areas: physiology, crop nutrition and fertilization, genetics and plant breeding, entomology, phytopathology, integrated crop protection, agro ecology, weed science, environmental management, geomatics, biometry, soils, water and irrigation, agroclimatology and climate change, post-harvest and agricultural industrialization, food technology, rural and agricultural entrepreneurial development, agrarian economy, and agricultural marketing (Published: Quarterly).