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SUSCEPTIBILITY OF THE ONION MAGGOT, DELIA ANTIQUA (DIPTERA: ANTHOMYIIDAE), TO THE MYCOTOXIN DESTRUXIN E

Published online by Cambridge University Press:  31 May 2012

T.J. Poprawski ,
P.-H. Robert  and
N.K. Maniania
T.J. Poprawski
Affiliation:
Station de Recherches de Lutte Biologique, Institut National de la Recherche Agronornique, La Minière, 78280 Guyancourt, France
P.-H. Robert
Affiliation:
Station de Recherches de Lutte Biologique, Institut National de la Recherche Agronornique, La Minière, 78280 Guyancourt, France
N.K. Maniania
Affiliation:
Station de Recherches de Lutte Biologique, Institut National de la Recherche Agronornique, La Minière, 78280 Guyancourt, France
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Extract

The onion maggot, Delia antiqua (Meigen), is the most important pest of Allium spp. in temperate regions of the northern hemisphere (Loosjes 1976; Ellis and Eckenrode 1977). If left uncontrolled, the onion maggot can cause from 20 to 100% crop losses, especially in light organic soils. In the early 1950's, with the development of organochlorine insecticides, onion growers obtained good control of onion maggot populations (Finlayson et al. 1959), but the pest rapidly developed resistance to these toxicants (Harris 1977). The chlorinated hydrocarbons were replaced by the less persistent organophosphorus and carbarnate insecticides (Hanis et al. 1981), but the onion maggot was reported to become resistant to these compounds (Harris et al. 1981; Carroll et al. 1983). Among alternatives to the use of insecticides to control the onion maggot are the entomopathogenic fungi and their metabolites. The potential of mycotoxins as rnicrobially derived insecticides has been investigated by several researchers and reviewed recently by Roberts (1981).

Type
Articles
Information
The Canadian Entomologist , Volume 117 , Issue 6 , June 1985 , pp. 801 - 802
Copyright
Copyright © Entomological Society of Canada 1985

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References

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