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封装的化异硫酸盐改善了土壤分布,对土壤传播的病原体的有效性和番茄产量

Yi Zhang¹, Wensheng Fang¹, Dongdong Yan¹

¹State Key Laboratory for Biology of Plant Disease and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China.

Pest management science

|March 23, 2024

概括

在二藻颗粒中封装基异酸盐 (AITC) 提高了其稳定性和对抗土壤传染病原体的有效性,显著增加了108%的番茄产量,植物毒性最小.

科学领域:

农业科学农业科学
土壤科学土壤科学
虫害管理虫害管理虫害管理

背景情况:

土壤传播的疾病,线虫和杂草会降低作物产量和农民收入.
酸 (AITC) 是一种植物衍生土壤烟雾剂,对这些害虫有效.
由于其化学不稳定性和土壤分布不均,AITC的有效性受到限制.

研究的目的:

开发和评估一种新型配方的AITC封装在改性二氧化颗粒 (GR).
评估AITC-GR对土壤传播病原体的稳定性,环境命运和有效性.
确定AITC-GR对番茄生长和产量的影响.

主要方法:

AITC被封装在改性二氧化颗粒 (GR) 中.
分析了AITC-GR的负载含量,降解半衰期和土壤分布.
评估了对土壤传播的病原体的有效性和对黄瓜种子的植物毒性.
对番茄生长和产量的影响在不同的AITC-GR剂量下进行了评估.

主要成果:

与AITC乳化缩剂 (EW) 相比,AITC-GR的降解半衰期长1.94倍.
GR提供了稳定,均的分布,导致对土壤传播的病原体进行一致的控制.
在测试的残留物水平下,AITC-GR没有显示对黄瓜种子的植物毒性.
剂量为20gm-2的AITC-GR控制了病原体7个月,并增加了108%的番茄产量.

结论:

与其他配方相比,在藻颗粒中封装的AITC提供了优越的害虫控制和提高的作物产量.
烟剂封装可以提高害虫和疾病管理,环境性能和商业可行性.
这种配方策略代表了土壤雾化技术的有希望的进步.

关键词:

封装的封装方式环境命运环境命运环境命运植物毒性植物毒性土壤的物理化学性质.土壤传播的病原体番茄的生长番茄的生长番茄的生长

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