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ARS Home Pacific West Area Davis, California Crops Pathology and Genetics Research Research





- Kasuga, Takao
- Plant Diseases (303)

Research Project: **Location:
                            Crops Pathology and Genetics Research** Project Number: 2032-22000-017-050-A
                        
                        Project Type: Cooperative Agreement Start Date: Nov 1, 2022
                        
                        End Date: Feb 28, 2025 **Objective:**
                        
                        Develop walnut and almond RNAi lines for resistance to the three main soilborne diseases (Phytophthora root and crown rot, crown gall, and root-lesion nematodes) **Approach:**
                        
                        Cooperator will construct transformation vectors for RNAi against Phytophthora, then co-transform somatic embryos with two vectors, which confer resistance against Phytophthora and crown gall (the vector already available). Cooperator will subsequently propagate transgenic embryo lines, inoculate them with pathogens and evaluate resistance.  Transgenic lines showing resistance will then be propagated, rooted, and grown in pots.  Cooperator will conduct greenhouse trials for Phytophthora and crown gall resistance.


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