Post-harvest codling moth infestion on pears—a potential threat for next year's crop
Helmut Riedl, University of California
James E. DeTar
California Agriculture 31(11):14-17. DOI: 10.3733/ca.v031n11p14.
Unexpectedly large overwintering populations may result from infestations on unpicked fruit. Codling moth build-up during the post-harvest period can be predicted reliably from seasonal pheromone trap catches.
Helmut Riedl is Assistant Entomologist in the Experiment Station, Department of Entomological Sciences, University of California, Berkeley; James E. DeTar is Farm Advisor, Solano County.
The authors thank John Yoakley, Entomology student, UC, Berkeley, for assistance during this field study and Fred Charles, Pest Management Consultant, West Point, California for providing the pheromone trap records. Part of this project was supported by the Extension Service and the Animal and Plant Health Inspection Service (APHIS) of the United States Department of Agriculture.