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COMPARISON OF MECHANICALLY APPLIED PHEROMONE DISPENSING TECHNOLOGIES FOR MATING DISRUPTION OF TREE FRUIT PEST LEPIDOPTERA
 

Summary: COMPARISON OF MECHANICALLY APPLIED PHEROMONE DISPENSING
TECHNOLOGIES FOR MATING DISRUPTION OF TREE FRUIT PEST LEPIDOPTERA
2008
Arthur M. Agnello and Harvey Reissig
Dept. of Entomology
New York State Agricultural Experiment Station, Geneva
Abstract
A full-season mating disruption trial was conducted in 523-acre plots on five farms, to assess
the efficacy of two different pheromone dispensing systems against codling moth (CM), oriental
fruit moth (OFM), lesser appleworm (LAW), and obliquebanded leafroller (OBLR): Checkmate
Puffers (against CM, OFM, and LAW), and SPLAT (against CM, OFM, LAW and OBLR).
Pheromone treatments were used as a complement to the growers' normal insecticide programs.
Both types of dispenser technology suppressed adult catches of oriental fruit moth and lesser
appleworm to near-zero levels for the entire season, but at three of the sites, each of the
treatments allowed some breakthrough of codling moths during the summer. Possible factors in
this finding could have included placement of the CM traps in the tops of the tree canopies, lack
of persistence of specific pheromone products, and difficulty in maintaining pheromone sources
high enough in the canopies. Weekly on-tree fruit inspections detected very few damaged fruits
in the disrupted treatments until late July. Total fruit damage by the internal-feeding species at
harvest ranged from 0.01.9% across all sites and pheromone treatments (compared with 0.2

  

Source: Agnello, Arthur M. - Department of Entomology, Cornell University

 

Collections: Biology and Medicine