Particle Films for Suppression of the Codling Moth (Lepidoptera: Tortricidae) in Apple and Pear Orchards
Authors: Unruh, T. R.; Knight, A. L.; Upton, J.; Glenn, D. M.; Puterka, G. J.
Source: Journal of Economic Entomology, Volume 93, Number 3, June 2000 , pp. 737-743(7)
Publisher: Entomological Society of America
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Abstract:
Studies were conducted in 1997and 1998 to evaluate the effects of three particle film formulations consisting of kaolin and adjuvants on neonate larvae, ovipositing adult females, and eggs of the codling moth, Cydia pomonella (L.). Neonate larval walking speed, fruit discovery rate, and fruit penetration rate on apple host plants coated with particle films were significantly lower than on host plants without particle films in laboratory assays. Females oviposited less on host plants covered with a particle film residue than on untreated plants in laboratory choice and no-choice tests. Hatch rate of codling moth neonate larvae was unaffected by particle films sprayed on host plants either before or after oviposition. Fruit infestation rates were significantly reduced on particle film-treated trees compared with untreated trees for both first- and second-generation codling moth in field trials in both apple and pear orchards. Particle films appear to be a promising supplemental control approach for codling moth in orchards where moth density is high, and may represent a stand-alone method where moth densities are lower.Keywords: Cydia pomonella; apple; pest management; particle film; kaolin
Document Type: Research article
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