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 Commodity Protection and Quality Research: Parlier, CA
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ARS Home Pacific West Area Parlier, California San Joaquin Valley Agricultural Sciences Center Commodity Protection and Quality Research Research





- Walse, Spencer
- Crop Protection & Quarantine (304)

Research Project: **Location:
                            Commodity Protection and Quality Research** Project Number: 2034-43000-043-064-R
                        
                        Project Type: Reimbursable Cooperative Agreement Start Date: Oct 1, 2023
                        
                        End Date: Aug 31, 2024 **Objective:**
                        
                        The project has a long-term goal to ensure pest-free security and food safety of walnuts in postharvest marketing channels via the development of efficient, economical, and environmentally benign treatments. The short-term goal is to evaluate a suite of commercially-available packaging and/or storage devices for the ability to maintain low-oxygen conditions required for organic phytosanitary treatments. **Approach:**
                        
                        Utilize a cooperative effort between USDA-ARS, USDA-APHIS, California industry, and foreign counterparts to address pest-related barriers to export. Particular attention will be paid to the expansion and retention of export markets for the California Walnut industry. The specific objective is to conduct 20-d confirmatory trials in at least two package types with low-oxygen (i.e., < 2% oxygen) at 15 Celsius that provides a non-chemical “organic” option to control coddling moth and navel orangeworm in exports to meet international phytosanitary requirements.


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