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Uptake and translocation of pesticides in pepper and tomato plants.
Pest Manag Sci
November 2024
Faculty of Agriculture, Adnan Menderes University, Aydın, Turkey.
Background: In this study, field and greenhouse experiments were done with spray application of the insecticides acetamiprid, indoxacarb, deltamethrin, λ-cyhalothrin, spinosad, chlorantraniliprole on pepper and tomato plants. Results were interpreted with numerical modeling.
Results: Observed fruit concentration dynamics could be described overall well by modeling.
Assessing ecological responses of exposure to the pyrethroid insecticide lambda-cyhalothrin in sub-tropical freshwater ecosystems.
Sci Total Environ
November 2024
Aquatic Ecology and Water Quality Management Group, Wageningen University, P.O. Box 47, 6700 AA Wageningen, the Netherlands. Electronic address:
Article Synopsis
- Pyrethroid insecticides, like lambda-cyhalothrin, are commonly used in agriculture, leading to their detection in aquatic ecosystems and potential risks for non-target organisms, especially in sub-tropical areas where data is limited.
- A study demonstrated that lambda-cyhalothrin dissipates rapidly in sub-tropical aquatic environments, with only a small percentage remaining after just a few days, indicating faster degradation than in temperate regions.
- While certain zooplankton species showed decreased abundance at higher concentrations, others experienced population increases, and overall, the zooplankton community displayed a notable no observed effect concentration (NOEC) of 9 ng/L for lambda-cyhalothrin, suggesting different sensitivity levels between
Study of pesticide transformation processes in different wheat varieties and their effects on plant metabolism.
Pest Manag Sci
October 2024
Faculty of Chemistry, Department of Inorganic Chemistry, Analytical Chemistry and Electrochemistry, Silesian University of Technology, Gliwice, Poland.
Background: This study aims to obtain systematic understanding of the way by which pesticides are metabolized in plants and the influence of this process on plants' metabolism as this process has a key impact on plant-based food safety and quality. The research was conducted under field conditions, which enabled to capture metabolic processes taking place in plants grown under multihectare cultivation conditions.
Results: Research was conducted on three wheat varieties cultivated under field conditions and treated by commercially available preparations (fungicides, herbicides, insecticides, and growth regulator).
Exploring the dynamic behaviors of five pesticides in lettuce: Implications for consumer health through field and modeling experiments.
Food Chem
September 2024
School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China. Electronic address:
Article Synopsis
- Lettuce is a widely eaten nutritious vegetable that raises concerns about pesticide residues, prompting research to analyze five common pesticides used on it.
- Field trials and dynamiCROP modeling showed that pesticide residues in lettuce were below the maximum allowed limits at harvest.
- The study indicated that pesticide residues mainly come from the leaf surface initially but shift to the soil over time, with health assessments revealing minimal risks from consuming the lettuce.
Residue dynamics and dietary risk assessment of new formulation of novaluron and lambda cyhalothrin on tomato.
Environ Sci Pollut Res Int
September 2023
Dr. Yashwant Singh Parmar University of Horticulture and Forestry, Solan, H.P., 173230, India.
Presence of residues on food commodities is major bottleneck of insecticide use under good agricultural practices (GAPs). The use of less persistent with two different mode of action insecticide is novel approach of getting maximum insect control without developing insecticide resistance. Novaluron, an insect growth disruptor and lambda cyhalothrin, a nerve poison has been used widely for the management of lepidopteran pests.
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