Preliminary study on persistence in soil and residues in maize of imidacloprid

The aim of this work was to study the distribution of imidacloprid in soil and its translocation to roots and aerial parts of maize plant. The main objective was to assess imidacloprid residues in field environment, in order to provide data on honeybees exposure level to such an active substance. Im...

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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, 2011-01, Vol.46 (6), p.469-472
Main Authors: Donnarumma, Lucia, Pulcini, Patrizio, Pochi, Daniele, Rosati, Silvia, Lusco, Lorenzo, Conte, Elisa
Format: Article
Language:English
Subjects:
acute toxicity
aerial parts
Animals
Apis mellifera
Apoidea
beehives
Bees
Chromatography, High Pressure Liquid
Corn
Crop residues
foraging
honey bees
Imidacloprid
Imidazoles - analysis
Imidazoles - chemistry
Insecticides - analysis
Insecticides - chemistry
maize
Neonicotinoids
Nitro Compounds - analysis
Nitro Compounds - chemistry
persistence
pesticide persistence
Pesticide Residues - analysis
Pesticides
Plant Roots - chemistry
Pollen
Pollen - chemistry
roots
Seeds
soil
Soil - analysis
Soil Pollutants - analysis
Soil Pollutants - chemistry
Soils
sowing
Tandem Mass Spectrometry
translocation
Zea mays
Zea mays - chemistry
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Summary:The aim of this work was to study the distribution of imidacloprid in soil and its translocation to roots and aerial parts of maize plant. The main objective was to assess imidacloprid residues in field environment, in order to provide data on honeybees exposure level to such an active substance. Imidacloprid has been detected and quantified by Triple Quadrupole HPLC-MS-MS. Pesticide persistence in the soil and its residues in pollen and in maize plants have been evaluated during the growing of maize plants developed from seeds dressed with Gaucho 350 FS (imidacloprid: 1.0 mg/seed). The sowing has been performed by means of a pneumatic precision drill. Samples have been collected at 30, 45, 60, 80, 130 days after the sowing, as pollen samples have been collected at the tasseling. Imidacloprid presence in aerial part of maize plant declined to 2–3 μg/kg 80 days after the sowing, while concentration in kernel at harvest was
ISSN:1532-4109
0360-1234
1532-4109
DOI:10.1080/03601234.2011.583848