来自水稻土壤的昆虫病原真菌在温室条件下抑制一种主要害虫并促进水稻生长

IF 3.4 2区农林科学 Q2 BIOTECHNOLOGY & APPLIED MICROBIOLOGY

Biological Control Pub Date : 2025-09-18 DOI:10.1016/j.biocontrol.2025.105894

Noppol Kobmoo , Suchada Mongkolsamrit , Artit Khonsanit , Wasana Noisripoom , Non Sawangkaew , Donnaya Thanakitpipattana , Cattarin Theerawitaya , Suriyan Cha-um , Janet Jennifer Luangsa-ard , Jintana Unartngam

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引用次数: 0

摘要

在水稻种植中大量使用农用化学品会造成环境和健康风险，因此需要可持续的替代品。特别需要开发既能抑制害虫又能促进水稻生长和产量的生物防治剂。在这项研究中，我们研究了从泰国水稻土壤中分离的次crealean昆虫病原真菌（EPF）抑制主要害虫褐飞虱（Nilaparvata lugens）和促进水稻生长的功能。从水稻土中分离到EPF菌株75株，主要鉴定为绿僵菌属和紫毛菌属。2株绿僵菌（MY13317.02和MY13317.32）是平山绿僵菌（M. pingshaense sensu lato complex）复合体，在温室条件下对N. lugens具有较强的毒力和较高的溶磷活性，显著提高了水稻的生长、产量和光合性能。这些发现突出了这些绿僵菌菌株作为可持续水稻农业的多功能生物接种剂的潜力，将促进植物生长与生物防治效果结合起来。

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Entomopathogenic fungi from paddy soils suppress a major insect pest and enhance rice growth under greenhouse conditions

Intensive agrochemical use in rice cultivation poses environmental and health risks, emphasizing the need for sustainable alternatives. The development of biocontrol agents that can simultaneously suppress pests and enhance rice growth and production is particularly needed. In this study, we investigated the functionality of Hypocrealean entomopathogenic fungi (EPF) isolated from paddy soils across Thailand to suppress a major insect pest, the brown planthopper (Nilaparvata lugens) and to promote rice growth. Seventy-five EPF strains were isolated from paddy soils, primarily identified as belonging to Metarhizium and Purpureocillium genera. Two Metarhizium strains (MY13317.02 and MY13317.32), belonging to M. pingshaense sensu lato complex, exhibited strong virulence against N. lugens in vitro and demonstrated high phosphate-solubilizing activity, significantly enhancing rice growth, yield and photosynthetic performance under greenhouse conditions. The findings highlight the promising potential of these Metarhizium strains as multifunctional bioinoculants for sustainable rice agriculture, combining plant growth promotion with biocontrol efficacy.

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来源期刊

Biological Control 生物-昆虫学

CiteScore

7.40

自引率

7.10%

发文量

220

审稿时长

63 days

期刊介绍： Biological control is an environmentally sound and effective means of reducing or mitigating pests and pest effects through the use of natural enemies. The aim of Biological Control is to promote this science and technology through publication of original research articles and reviews of research and theory. The journal devotes a section to reports on biotechnologies dealing with the elucidation and use of genes or gene products for the enhancement of biological control agents. The journal encompasses biological control of viral, microbial, nematode, insect, mite, weed, and vertebrate pests in agriculture, aquatic, forest, natural resource, stored product, and urban environments. Biological control of arthropod pests of human and domestic animals is also included. Ecological, molecular, and biotechnological approaches to the understanding of biological control are welcome.