Pest Manag Sci
College of Plant Protection, Yangzhou University, Yangzhou, China.
Published: February 2025
Background: Metal-organic frameworks have the advantages of easy synthesis, high loading capacity and good biocompatibility, making them essential materials for constructing pesticide nano-delivery systems. In this study, a pH-responsive nano-controlled-release formulation Chl@UiO-66 was prepared using UiO-66 as the nano-scale carrier for adsorbing chlorantraniliprole (Chl).
Results: The appearance, pesticide loading, release behaviour, insecticidal activity, long-term control efficacy and safety of Chl@UiO-66 for non-target organisms were extensively evaluated. The results showed that the prepared Chl@UiO-66 was a regular octahedron with a uniform particle size of 230 nm and pesticide loading of 15.62%. The release of pesticides under alkaline conditions was superior to that under acidic and neutral conditions, which showed pH-responsive performance. Chl@UiO-66 had an excellent ability to protect pesticides from ultraviolet degradation. Compared with chlorantraniliprole suspension concentrate, Chl@UiO-66 had a better control effect against Spodoptera frugiperda and long-term control efficacy. The prepared nano-controlled-release formulation had low toxicity to zebrafish, earthworms and human BEAS-2B cells.
Conclusion: Chl@UiO-66 is a new pesticide formulation with high efficacy and low toxicity that provides a smart controlled-release solution. © 2024 Society of Chemical Industry.
Download full-text PDF |
Source |
---|---|
http://dx.doi.org/10.1002/ps.8483 | DOI Listing |
Pest Manag Sci
January 2025
Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, China.
Background: Baculoviruses are ideal biological insecticides, providing long-lasting pest control and environmental benefits. Alphabaculovirus mabrassicae stains, with their broad host range, have been effective in agricultural pest management. Various A.
View Article and Find Full Text PDFInt J Biol Macromol
January 2025
Division of Genomic Resources, ICAR-National Bureau of Agricultural Insect Resources, P. Bag No: 2491, H.A. Farm Post Bellary Road, Hebbal, Bangalore 560024, India.
Understanding the epigenetic molecular mechanisms (EMMs) of reproduction is crucial for developing advanced and targeted control strategies for Spodoptera frugiperda. Differential expression analysis revealed 11 known miRNAs with varying expression levels, including nine upregulated and two downregulated miRNAs, in virgin females compared with males. The predictive analysis identified 426 target genes for these miRNAs, with ribogenesis highlighted as a key process in oogenesis and egg fertilization.
View Article and Find Full Text PDFPest Manag Sci
January 2025
Department of Applied Chemistry, College of Science, China Agricultural University, Beijing, China.
Background: Indoxacarb, a type of chiral pesticide, is used to control Lepidoptera insects. Most studies had focused on the environmental behavior and selective toxicity of indoxacarb enantiomers, and the mechanism behind its selective biological activity against target organisms is not well understood.
Results: Spodoptera frugiperda was selected as the target insect.
Pest Manag Sci
January 2025
Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, Guangzhou Key Laboratory of Insect Development Regulation and Application Research, Institute of Insect Science and Technology, School of Life Sciences, South China Normal University, Guangzhou, China.
Background: Species that experience outbreaks and those that display density-dependent phase polymorphism demonstrate density-dependent prophylaxis (DDP) by increasing their immune investment in response to increasing densities. Despite this phenomenon, the mechanisms of DDP remain largely unexplored.
Results: Here, we showed that Spodoptera litura exhibited heightened cuticular melanization and enhanced cuticular immune responses when reared at higher population density.
Insects
December 2024
Julius-Kuehn Institute, Koenigin-Luise-Str. 19, 14195 Berlin, Germany.
Maize productivity has remained low and has worsened in the wake of a changing climate, resulting in new invasive pests, with pests that were earlier designated as minor becoming major and with pathogens being transported by pests and/or entering their feeding sites. A study was conducted in 2021 in the Kisumu and Makueni counties, Kenya, to determine how different maize cropping systems affect insect diversity, insect damage to maize, and insects' ability to spread mycotoxigenic fungi in pre-harvest maize. The field experiments used a randomized complete block design, with the four treatments being maize monocrop, maize intercropped with beans, maize-bean intercrop with the addition of at planting, and push-pull technology.
View Article and Find Full Text PDFEnter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!
© LitMetric 2025. All rights reserved.