POPULATIONS OF BENEFICIAL AND PEST ARTHROPODS IN AN ORGANIC AND A PESTICIDE TREATED APPLE ORCHARD IN BRITISH COLUMBIA
- 1 November 1982
- journal article
- research article
- Published by Cambridge University Press (CUP) in The Canadian Entomologist
- Vol. 114 (11) , 1083-1088
- https://doi.org/10.4039/ent1141083-11
Abstract
A 2-year study was conducted in an organic, essentially pesticide-free orchard and in one which followed a complete pesticide program to assess populations of beneficial arthropods. There were far more beneficial species in the pesticide-free orchard both on the trees and in the cover crop. Spiders increased dramatically in the organic orchard and relatively few spiders were found in the sprayed orchard. Pest species were below treatment thresholds in both orchards with the exception of codling moths. By the second season, codling moth injury was so severe in the organic program that the non-pesticide program had to be abandoned.This publication has 8 references indexed in Scilit:
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