Agronomy Research (2006) 4, 447-450

E. Veromann, A. Luik and R. Kevväi (2006)
The impact of field edges on the incidence of Meligethes aeneus Fab. larvae and their parasitisation in spring and winter oilseed rape
Agronomy Research 4 (special issue), 447-450
Abstract: The occurrence of Meligethes aeneus larvae and their parasitism rate was studied at the edges and in the centres of commercial spring and winter oilseed rape fields in Estonia. Insecticides were used in spring oilseed rape but not in winter oilseed rape fields. Significantly more larvae were found at the field edges than in centres of both crops, but they were more abundant in winter oilseed rape. The larval parasitism rate was significantly greater at field edges than in centres only in winter rape; in spring oilseed rape parasitism was more evenly distributed. But there were no differences in pollen beetle parasitisation rates between crops.
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Database assignments for author(s): Eve Veromann, Reelika Kevväi

Research topic(s) for pests/diseases/weeds:
environment - cropping system/rotation
surveys/sampling/distribution

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Brassicogethes aeneus	Rape/canola (Brassica napus)	Estonia