Ecological effects of imidacloprid on arthropod communities in and around a vegetable crop

To elucidate the ecological impacts of imidacloprid [1-(6-chloro-3-pyridylmethyl)-N-nitroimidazolidin-2-ylideneamine] on vegetable crops and their surrounding areas, arthropods on eggplant patches treated with this insecticide were monitored throughout two cultivation seasons, spring and autumn, and...

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Published in:Journal of environmental science and health. Part B, Pesticides, food contaminants, and agricultural wastes Pesticides, food contaminants, and agricultural wastes, 2007-03, Vol.42 (3), p.279-286
Main Authors: Sanchez-Bayo, F, Yamashita, H, Osaka, R, Yoneda, M, Goka, K
Format: Article
Language:English
Subjects:
Agronomy. Soil science and plant productions
Animals
Aphididae
Aphids - drug effects
Aphids - growth & development
Arthropoda
Biodiversity
Biological and medical sciences
community structure
Ecosystem
eggplant
eggplants
Environmental Monitoring
Fundamental and applied biological sciences. Psychology
imidacloprid
Imidazoles - pharmacology
Insect Control - methods
insecticide residues
Insecticides - pharmacology
Neonicotinoid insecticides
Neonicotinoids
Nitro Compounds - pharmacology
non-target organisms
nontarget organisms
Pesticide Residues - analysis
Population Density
Seasons
Soil and water pollution
soil arthropods
Soil Pollutants - analysis
Soil science
Solanum melongena
Species Specificity
Time Factors
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Summary:To elucidate the ecological impacts of imidacloprid [1-(6-chloro-3-pyridylmethyl)-N-nitroimidazolidin-2-ylideneamine] on vegetable crops and their surrounding areas, arthropods on eggplant patches treated with this insecticide were monitored throughout two cultivation seasons, spring and autumn, and the results compared with those of control crops. Residues of imidacloprid in soil accounted for 4-8% of total applied, and concentrations outside the crop were always below 5 μ g/kg. Communities of the crop vegetation experienced significant density reductions, mostly of aphids, and had fewer species diversity during the first month. Those in the surrounding pasture were similarly affected though with less intensity, while non-target ground arthropods both inside and outside the crop only showed significant impacts in the two weeks after planting.
ISSN:0360-1234
1532-4109
DOI:10.1080/03601230701229239