在佛罗里达州的沙土中,通过单滴和双滴带在佛罗里达州的沙土中应用时,五种杀虫剂对根结线虫的有效性
Hung X Bui1, Johan A Desaeger1
1Department of Entomology and Nematology, University of Florida Gulf Coast Research and Education Center (GCREC), Wimauma, Florida, USA.
Pest management science
|July 6, 2023
概括
双滴滴带提高了对皮拉姆 (fluopyram) 等溶性较差的产品的杀菌剂有效性,但单片带足以用于其他产品. 甲显示,双滴滴带对线虫控制有好处.
科学领域:
- 农业科学 农业科学
- 遗体学 遗体学 是一个学科.
- 土壤科学 土壤科学
背景情况:
- 滴滴应用的杀虫剂需要有效的分布,在沙土中具有挑战性.
- 根结线虫显著影响黄瓜和南瓜的产量.
- 评估新的和旧的杀虫剂对于有效的害虫管理至关重要.
研究的目的:
- 为了评估单一或双重滴滴带应用的灵杀虫的疗效.
- 为了比较fluazaindolizine,fluensulfone,fluopyram,oxamyl和metam的性能.
- 为了确定滴水带配置对不同作物的线虫控制的影响.
主要方法:
- 从2020年2月到2022年12月在佛罗里达州进行的实地试验.
- 通过单滴和双滴带应用五种尼马杀虫剂 (fluazaindolizine,fluensulfone,fluopyram,oxamyl,metam potassium) 的应用.
- 对黄瓜和南瓜的根和作物产量的评估.
主要成果:
- 双滴滴带减少了皮拉姆的根,与单一带相比,产量更高.
- 在单片和双片带之间没有观察到对牛胺和fluazaindolizine的有效性有显著差异.
- 酸甲显示,使用双滴带的南瓜产量更高;黄瓜显示感染率高于南瓜.
结论:
- 双滴带比单片带的优势在于它依赖于尼马杀剂,特别是在水溶性较差的化合物,如皮拉姆.
- 甲胺在双滴滴带上显示出一些益处,而牛胺,花胺和硫则显示出有限或没有益处.
- 农作物类型影响根结线虫感染的严重程度,黄瓜比南瓜更容易受到感染.
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