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来自Metarhizium robertsii的微硬质菌:生产,超结构分析,强度和杀虫活性

Jennifer Lorena García Riaño¹, Gloria Patricia Barrera², Leonardo Castellanos Hernández³

¹Corporación Colombiana de Investigación Agropecuaria - Agrosavia. Centro de Investigación Tibaitatá, Cundinamarca, Mosquera, 250047, Colombia; Universidad Nacional de Colombia, Sede Bogotá, Facultad de Ciencias, Departamento de Química, Carrera 30 # 45, Bogotá, D.C., 111321, Colombia.

|April 4, 2024

概括

来自Metarhizium robertsii的微硬质菌 (MS) 对环境压力表现出更强的耐受性,并产生毒性结核菌. 这些发现支持MS作为开发强大的生物农药的有希望的成分.

科学领域:

农业科学农业科学
菌群学菌群学菌群学是指菌群学
生物技术是生物技术.

背景情况:

微硬质菌 (MS) 是生物杀虫剂的重要传播剂,为害虫控制提供非生物耐受性和传染性菌.
Metarhizium robertsii是一种具有生物杀虫剂开发潜力的真菌.

研究的目的:

为了优化Metarhizium robertsii微硬质菌 (MS) 形成的条件.
研究多发性硬化症的发展,非生物耐受性,以及多发性硬化症衍生的昆虫杀虫疗效.

主要方法:

在Metarhizium robertsii Mt004.4中诱导MS的形成.
监测MS的发展,产量和大小.
评估MS对UV-B,热量和储存的耐受性.
评估对Diatraea saccharalis幼虫的杀虫活性.

主要成果:

在M. robertsii Mt004中,MS形成需要20天,产生2.0 × 10^3 MS/mL.
成熟的MS表现出较高的耐受性UV-B,热量,和储存相比状.
多发性硬化症衍生的菌体表现出与标准菌体相比的毒性,对抗D. saccharalis.

结论:

微硬质菌是适合在具有挑战性的环境中用于生物杀虫剂的坚固的传播剂.
优化MS生产和了解其发展可以提高生物杀虫剂的持久性和有效性.

关键词:

生物杀虫剂生物杀虫剂这里是Conidia Conidia.昆虫病原菌类的真菌.液体发酵液体发酵是一种微硬质细胞 (microsclerotia) 是一个微硬质细胞.

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