植物油纳米乳液作为可持续农业害虫控制的潜在解决方案
Amany D Abd-Elnabi1, Elham Abdel Fattah El-Sawy2, Mohamed E I Badawy3
1Cotton Leafworm Research Department, Plant Protection Research Institute, Agricultural Research Center, Giza, Egypt. amany.desoky@arc.sci.eg.
Neotropical entomology
|January 30, 2025
概括
新的植物油纳米乳液显示出对可持续害虫防治的承诺. 这些环保配方有效地控制了像Aphis gossypii这样的常见农业害虫,为传统农药提供了更绿色的替代品.
科学领域:
- 农业科学 农业科学
- 材料科学 材料科学 材料科学
- 环境科学 环境科学
背景情况:
- 对于可持续和环保的害虫控制方法的需求日益增长.
- 需要新的植物性农药来减少对环境的影响.
- 探索纳米乳液作为生物活性化合物的先进输送系统.
研究的目的:
- 研究含有植物油 (Portulaca oleracea,Raphanus sativus,Rosmarinus officinalis) 的纳米乳液对关键农业害虫的有效性.
- 使用超声波开发稳定和均的纳米乳液.
- 评估这些纳米乳液作为可持续害虫管理解决方案的潜力.
主要方法:
- 使用超声波制备纳米乳液的制备.
- 纳米乳液通过热力学特性,动态光散射 (DLS) 和传输电子显微镜 (TEM) 进行表征.
- 生物测试以评估对Aphis gossypii,Spodoptera littoralis和Tetranychus urticae的疗效. 这些生物测试的目的是测试Aphis gossypii,Spodoptera littoralis和Tetranychus urticae.
主要成果:
- 稳定和均的纳米乳液已成功制备.
- 植物油纳米乳液在控制测试的害虫方面表现出显著的有效性.
- 这些纳米乳液对Aphis gossypii表现出了最高的疗效.
结论:
- 植物油纳米乳液是传统农药的可行和可持续的替代品.
- 这种方法为综合性害虫管理提供了一种新的策略,促进环保农业.
- 对这些纳米乳液的进一步研究可以有助于减少农药使用对环境的影响.
相关概念视频
01:27Microorganisms in Agriculture and Food industry
Microorganisms play a crucial role in agriculture and the food industry, contributing to soil fertility, crop protection, and food production. Their functions range from nitrogen fixation and biopesticide production to fermentation and food preservation, making them indispensable to sustainable farming and food safety.Role in AgricultureNitrogen-fixing bacteria, such as Rhizobium (symbiotic) and Azotobacter (free-living), convert atmospheric nitrogen into ammonia through biological nitrogen...
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...
01:26Microbial Bioremediation of Hydrocarbons
Bioremediation is an environmentally sustainable process that employs living organisms—primarily microorganisms—to degrade or neutralize pollutants from contaminated environments. In oil spills and hydrocarbon pollution, bioremediation involves the use of hydrocarbon-degrading bacteria to transform toxic compounds into less harmful substances. This approach leverages natural microbial metabolic processes and is considered both cost-effective and ecologically favorable compared to physical or...
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...
01:18Production 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...
01:25Biofuels
The microbial conversion of organic matter into biofuels holds potential as a renewable energy source. Among biofuel sources, microalgae are recognized as a highly efficient and adaptable feedstock for biodiesel production, owing to their rapid biomass accumulation, elevated lipid productivity, and capacity to proliferate in diverse aquatic systems, including freshwater, marine, and wastewater habitats. Unlike terrestrial crops, microalgae do not compete for land and can achieve significantly...