Influence of molluscicides on arthropod predators on winter wheat agrocoenosis
1996
Tuubel, E. (Estonian Agricultural Univ., Tartu (Estonia). Inst. of Plant Protection)
The influence of molluscicides (Mesurol, Larbate) on the number of predators - Carabidae, Staphylinidae and Araneidae was investigated in winter wheat agrocoenosis in Southern Sweden. The indirect influence of molluscicide application on predators' populations was established. Different predator groups were affected differently. In the treated plots the number of Carabidae and Araneidae was two times smaller compared to untreated plots. Of Carabidae specimens 15 general were found. The most common were Agonum, Trechus and Bembidion. The two first groups occurred in smaller numbers in treated plots. The indirect influence of molluscicide Larbate compared to Mesurol was more harmful to predators
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