Half-lives of pesticides on greenhouse crops

Pesticide residues were measured on leaves collected from greenhouse crops at various locations on the plant and at various time intervals after application. Half-life estimates for the pesticides were estimated and are tabulated for abamectin, bitertanol, chlorothanonil, dichlorvos, mancozeb, methi...

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Bibliographic Details
Published in:Bulletin of environmental contamination and toxicology 1997-06, Vol.58 (6), p.976-984
Main Authors: BROUWER, D. H, DE HAAN, M, LEENHEERS, L. H, DE VREEDE, S. A. F, VAN HEMMEN, J. J
Format: Article
Language:English
Subjects:
Agrochemicals products
Analysis of Variance
Biological and medical sciences
Chromatography, High Pressure Liquid
chrysanthemum
Crops
Crops, Agricultural - standards
dianthus
Fundamental and applied biological sciences. Psychology
Fungicides, Industrial - metabolism
Fungicides, Industrial - pharmacokinetics
Half-Life
Hydrogen-Ion Concentration
Insecticides - metabolism
Insecticides - pharmacokinetics
Other agrochemicals used in plant protection (herbicides, fungicides, etc.)
pesticide
Pesticide Residues - metabolism
Pesticide Residues - pharmacokinetics
Pesticides
Phytopathology. Animal pests. Plant and forest protection
plaguicidas
Plants - metabolism
Pollution effects and side effects of agrochemicals on crop plants and forest trees. Other anthropogenic factors
Pollution effects. Side effects of agrochemicals
Risk Assessment
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Summary:Pesticide residues were measured on leaves collected from greenhouse crops at various locations on the plant and at various time intervals after application. Half-life estimates for the pesticides were estimated and are tabulated for abamectin, bitertanol, chlorothanonil, dichlorvos, mancozeb, methiocarb, methomyl, propoxur, and thiophanate-methyl. Half-lives ranged from 0.2 days to 41 days for dichlorvos and thiophanate-methyl, respectively. Pesticide dissipation in the greenhouse can be very different from dissipation in open fields. In the absence of other data, the median half life of 4 days can be used to determine reentry time for greenhouse workers. A more conservative reentry time of 9 days could also be used, since this is the confidence interval upper limit.
ISSN:0007-4861
1432-0800
DOI:10.1007/s001289900430