杀菌剂计划的多样性和决定因素 蜂粉菌
Jae Young Hwang1, Sharmodeep Bhattacharyya2, Shirshendu Chatterjee3
1USDA-ARS, National Forage Seed Production Research Center, Corvallis, Oregon, United States; jaeyoung.hwang@usda.gov.
Plant disease
|April 3, 2025
概括
植物疾病监测数据显示,对于蜂粉,有明显的农药使用模式. 种植者利用三个主要的杀菌剂计划,影响农药应用频率和成本.
科学领域:
- 农业科学 农业科学
- 植物病理学 植物病理学
- 昆虫学 昆虫学是一门学科.
背景情况:
- 植物疾病监测产生了有价值的元数据,用于预测农药使用和相关成本.
- 在俄勒冈州,蜂粉 (Podosphaera macularis) 管理涉及种植者之间的各种真菌杀菌剂应用策略.
研究的目的:
- 总结一下俄勒冈州蜂粉管理中的农药使用模式.
- 识别和分类不同种植者使用的真菌杀菌剂使用计划.
- 量化这些计划对农药应用频率和成本的影响.
主要方法:
- 基于活性成分和真菌杀虫剂耐药性行动委员会 (FRAC) 代码的农药使用频率的分析.
- 阶层集群分析将多种农药使用模式分组为不同的程序.
- 随机森林回归和沙普利值,以确定杀菌剂计划对农药使用和成本的预测重要性.
主要成果:
- 种植者之间活性成分和FRAC代码使用的差异很大,平均每码应用范围从0到2.41.
- 基于等级集群分析,确定了三个不同的农药计划.
- 杀菌剂计划成为一个关键预测因素,在年度成本方面排名第三,在应用活性成分数量方面排名第五.
结论:
- 蜂粉的农药使用模式是高度可变的,可以分为不同的程序.
- 杀菌剂计划显著影响农药的应用频率和成本.
- 种植者可以根据观察到的粉发病率来调整他们的农药计划,这表明了响应式的管理方法.
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