概括
杀菌剂2,3-二-5-碳素利多-6-甲基-1,4-氧沙在低度下可以选择性地抑制Basidiomycetes真菌. 其他真菌群体需要更高的度来显著抑制生长.
科学领域:
- 农业科学 农业科学
- 菌类学 菌类学是指菌类学.
- 植物病理学 植物病理学
背景情况:
- 在全球范围内,真菌病原体导致了大量的作物损失.
- 选择性杀菌剂对于综合性害虫防治战略至关重要.
- 了解差异性真菌毒性是开发有效作物保护的关键.
研究的目的:
- 为了评估2,3-二-5-碳素化物-6-甲基-1,4-oxathiin的选择性真菌毒性.
- 为了确定针对不同类型的真菌的有效度.
- 为了确定杀菌活性中的潜在例外情况.
主要方法:
- 在体外测试真菌菌体生长抑制.
- 对子发芽抑制的评估.
- 对真菌类 (基底菌种,生菌种,亚菌种,二菌种) 的敏感性进行比较分析.
主要成果:
- 度低于8ppm的2,3-dihydro-5-carboxanilido-6-methyl-1,4-oxathiin阻止了Basidiomycetes菌体的生长.
- 菌体,菌体和菌体需要32ppm或更高的度以达到50%的生长抑制.
- 其中例外的是Rhizoctonia solani和Verticillium alboatrum,它们的敏感性发生了变化.
- 在10ppm时,Uromyces phaseoli和Ustilago nuda的子发芽被抑制了95%.
结论:
- 2,3-二-5-碳素化物-6-甲基-1,4-氧氨酸表现出选择性真菌毒性,主要向基菌株.
- 该化合物在农业应用中显示出作为选择性杀菌剂的潜力.
- 需要对特定的真菌分离物及其反应模式进行进一步的研究.
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