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Funded Project
Funding Program: Regional IPM Competitive Grants - Northeastern
Project Title: Identification of Host-plant Attractants for Cranberry Weevil and Cranberry Fruitworm
Project Director (PD):
Cesar Rodriguez-Saona [1]
Lead State: NJ

Lead Organization: Rutgers University
Research Funding: $50,000
Start Date: May-15-2006

End Date: May-14-2007
No-Cost Extension Date: May-14-2008
Pests Involved: weevils, fruitworms
Site/Commodity: cranberry, cranberries, blueberries
Summary: The two insect pests in this study, the cranberry fruitworm (CBFW) and cranberry weevil (CBW) can cause major economic losses in the northeast US. Both insects feed on the plant's reproductive organs (flower buds, flowers, and fruit), which makes them major direct pests in blueberries and cranberries in the growing areas where they occur; thus, even few individuals may cause a substantial loss to growers. Current limitations on adequate monitoring techniques limit the management of CBFW and CBW populations. This study, if successful, will develop cost-effective and reliable monitoring techniques for CBFW and CBW based on host-plant attractants, which can be implemented into IPM programs in cranberries and blueberries across the northeast and other US regions. The proposed research will investigate the role of volatiles from flower buds, flowers, and fruit as attractants for the CBW and cranberry CBFW. Host-plant volatiles may find application in the development of traps to monitor CBW and CBFW populations. In the past, pheromone traps used for monitoring adults of the CBFW have failed to predict fruit damage, and no traps are available to monitor CBW populations. New monitoring tools will prevent unnecessary insecticide applications, reduce management costs, and decrease the development of resistant populations. This proposal will investigate the host-plant volatile emissions and the behavioral and antennal electrophysiological responses of CBW and CBFW to these volatiles.


Objectives: The ultimate goal of this project is to provide cranberry and blueberry growers with new tools for monitoring cranberry fruitworm (CBFW) and cranberry weevil (CBW) populations. This work will have a strong likelihood to contribute towards our ongoing efforts to implement better monitoring techniques into pest management programs in cranberries and blueberries. The following are the specific objectives:

1) Assess the behavioral responses of adult CBFW and CBW to host-plant volatiles;

2) Isolate and identify volatiles important in attraction of the CBFW and CBW to host plants.

Proposal

Final Report

USDA CRIS data



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