对Myrothecium spp.的抗真菌活性和活性化合物的鉴定. 抗葡萄炭菌和灰色的菌
Linlin Gao1, Yijie Zhai2, Jiajia Wu1
1State Key Laboratory for Crop Stress Resistance and High-Efficiency Production, College of Horticulture, Northwest A&F University, Yangling, Shaanxi 712100, China; Key Laboratory of Horticultural Plant Biology and Germplasm Innovation in Northwest China, Ministry of Agriculture, Northwest A&F University, Yangling, Shaanxi 712100, China.
Pesticide biochemistry and physiology
|February 27, 2025
概括
甲基 spp. 的种类. 显示出强大的潜力来控制葡萄炭菌和灰菌. 阿尔比芬布里亚verrucaria及其化合物verrucarin A有效地减少了葡萄酒中的真菌病.
科学领域:
- 植物病理学 植物病理学
- 菌类学 菌类学是指菌类学.
- 生物技术是生物技术.
背景情况:
- 葡萄炭菌 (Elsinoë ampelina) 和灰菌 (Botrytis cinerea) 在葡萄酒生产中造成了重大经济损失.
- 真菌病需要有效和可持续的控制策略,以确保作物产量和质量.
研究的目的:
- 为了研究Myrothecium spp.的生物控制潜力. 针对葡萄的炭菌和灰色的菌.
- 为了识别和描述由Myrothecium spp.产生的活性抗真菌化合物.
主要方法:
- 在Myrothecium spp.的体外抗真菌活性测定. 和培养过物对抗E. ampelina和B. cinerea. 这两种植物.
- 对Myrothecium spp.的生物控制疗效评估. 在Vitis vinifera的叶子和果上使用菌株和Albifimbria verrucaria.
- 从A. verrucaria中净化和识别活性化合物,使用色谱技术和核磁共振.
主要成果:
- 甲基 spp. 的种类. 证明了对葡萄葡萄糖的显著生物控制疗效,A. verrucaria获得了89.58%的疗效.
- A. verrucaria显著降低了灰菌疾病指数高达49.38%,并减少了果中的B. cinerea生物量.
- 从A. verrucaria中分离出来的Verrucarin A抑制了E. ampelina,B. cinerea和Coniella vitis的菌株生长,并在果中减少了66.22%的灰菌发生率.
结论:
- 菌种,特别是A. verrucaria,是有效的生物控制药物,可以对抗葡萄菌和灰菌.
- 维鲁卡林A是一种关键的抗真菌化合物,有可能开发抗葡萄真菌病的新战略.
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