一种具有杀虫剂,抗植物病原和内植物性活动的Clonostachys rosea本地菌株的分离
Hai-Yan Ren1,2, Fang-Fang Liu1,2, Chao-Peng Liang1,2
1Anhui Province Key Laboratory of Integrated Pest Management on Crops, School of Plant Protection, Anhui Agricultural University, Hefei, 230036, China.
Archives of microbiology
|August 28, 2025
概括
一种新型真菌Clonostachys rosea GY24显示出广泛的生物控制,有效地控制昆虫和植物疾病. 这种来自土壤的隔离物还能增强小麦的生长和抗压能力,为综合性害虫管理提供可持续的解决方案.
科学领域:
- 农业科学
- 菌群学
- 植物病理学
背景情况:
- 有效的本地生物控制剂的有限可用性,具有广泛的活性.
- Clonostachys rosea对多性生物控制有希望,但需要进一步的隔离特征.
研究的目的:
- 隔离和描述一种来自土壤的新型Clonostachys rosea菌株 (GY24).
- 评估C. rosea GY24的多营养生物控制潜力,包括杀虫剂,抗真菌和有益植物的特性.
- 评估GY24菌株与农业化学品的兼容性及其对环境压力因素的适应性.
主要方法:
- 用于分类学识别的形态和遗传学分析.
- 对Galleria mellonella的毒性测定和对关键植物病原体的双培养测定.
- 在小麦中进行内菌殖民研究,评估植物生长促进和抗病能力.
主要成果:
- 菌株GY24表现出强烈的昆虫病原性活动,导致G. mellonella死亡率高达97%.
- 观察到植物病原体Fusarium graminearum,Alternaria alternata和Bipolaris maydis的显著抑制.
- GY24对小麦的内植物殖民促进了植物的生长,并增强了对菌诱导的根腐蚀的抵抗力,改善了植物生理.
结论:
- 新型C. rosea菌株GY24具有显著的多性生物控制能力.
- GY24具有集成的杀虫剂,抗真菌和有益植物功能,使其成为可持续农业的有价值工具.
- 它的广泛活动和与现有农业化学品的兼容性使其成为综合性害虫和疾病管理战略的强有力的候选者.
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