开发一种同时处理乙烯酸盐和混合物 (,) 的技术,以控制类虫 (Planococcus citri)
Bongsu Kim1, Min-Goo Park2, Gil-Hah Kim3
1Plant Quarantine Technology Center, Animal and Plant Quarantine Agency (APQA), Gimcheon 39660, Republic of Korea.
Insects
|September 27, 2023
概括
一种使用乙基甲基 (EF) 与 (N2) 的新烟雾剂为控制香上的果虫提供了具有成本效益的替代方案. 这种EF + N2处理有效地杀死面粉虫而不损害水果.
科学领域:
- 农业昆虫学 农业昆虫学
- 收获后病理 收获后病理
- 虫害管理 虫害管理 虫害管理
背景情况:
- 目前以二氧化碳 (CO2) 储存乙基甲酸盐 (EF) 烟雾剂的制造,运输和气瓶维护成本昂贵.
- 果虫是一种重要的害虫,对常规烟雾剂具有抗性.
- 开发高效和安全的烟雾化方法对于保护香等农产品至关重要.
研究的目的:
- 开发和评估一种使用 (N2) 载体的乙烯基甲酸盐 (EF) 的新化技术.
- 评估EF + N2对抗耐药果虫的疗效.
- 确定香果上的EF + N2的植物毒性,并与现有的EF + CO2产品进行比较.
主要方法:
- 果虫对EF + N2的敏感性在EF的LC50度下测试,N2剂量在79%至95%之间.
- 使用EF (35 mg/L) +N2 (79%) 评估香果的植物毒性,并在14天内监测颜色,糖含量和体重减轻.
- 在EF + N2治疗中添加素 (PH3) 的增强疗效也得到了研究.
主要成果:
- 通过EF + N2治疗,在所有果虫生命阶段实现了超过50%的死亡率.
- 与未经处理的对照组相比,没有观察到与EF + N2处理的香果实有显著的植物毒性影响.
- 将EF + N2与氨酸 (PH3) 结合起来,增加了对粉虫的防效果,在PH3度较高时,回报率下降.
结论:
- 与乙基甲酸盐 (EF) 和 (N2) 同时处理是一种可行的和有效的方法,用于控制香果上的果虫.
- 这种新的EF + N2烟技术提供了一个可能比目前的EF + CO2产品更经济和实用的替代方案.
- 将素 (PH3) 添加到EF + N2中可以进一步提高杀虫剂的有效性,提供一种协同的害虫控制策略.
相关概念视频
01:27Chemical Agents for Microbial Control
Chemicals play important roles in controlling microbial growth by targeting microbial structures and functions as sanitizers, antiseptics, disinfectants, and sterilants.Alcohols are commonly used sanitizers, effectively disrupting lipid membranes, which compromises cell integrity. They are also used as antiseptics and disinfectants due to their rapid action and versatility.Phenols and their derivatives phenolics , known for denaturing proteins and disrupting cell membranes, are particularly...
01:28Biological Methods for Microbial Control
Biological agents offer an effective means of controlling microbial growth by leveraging natural processes like predation, competition, and the secretion of antimicrobial substances.Predatory bacteria such as Bdellovibrio species target and kill pathogens like Salmonella and E. coli. They are widely used in poultry farms to control infections. Myxococcus species help combat plant-pathogenic fungi. These naturally occurring predators serve as eco-friendly alternatives to chemical pesticides and...
01:28Microbial Bioremediation of Pesticides
Pesticides often feature structurally complex chemical architectures, incorporating halogen groups and multiple aromatic rings. These characteristics confer high chemical stability, rendering many pesticides resistant to natural degradation processes. This resistance poses significant environmental concerns, as persistent pesticide residues can accumulate in ecosystems and affect non-target organisms.Despite the inherent stability of many pesticides, certain microorganisms possess the metabolic...
01:27Production of Antibiotics
Penicillin, one of the earliest and most widely used antibiotics, is produced industrially by the filamentous fungus Penicillium chrysogenum. Large stirred-tank bioreactors ranging from tens to hundreds of thousands of liters maintain tightly controlled temperature, pH, and dissolved oxygen conditions to support fungal metabolism and maximize antibiotic yield. Penicillin is a secondary metabolite, synthesized primarily during the stationary growth phase, which requires a carefully managed...
01:18Production of Biopesticides
Biopesticides offer a sustainable alternative to chemical pesticides, utilizing microbial agents to control agricultural pests. Bacillus thuringiensis (Bt) is a widely employed bacterium known for its potent insecticidal activity. Bt biopesticides are favored for their specificity to insect pests, minimal environmental impact, and natural degradability.Mechanism of Bt Toxin Action Bt produces insecticidal crystal (Cry) proteins during its sporulation phase. These proteins form parasporal...