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ARS Home Pacific West Area Corvallis, Oregon Horticultural Crops Disease and Pest Management Research Unit Research





- Grunwald, Niklaus - Nik
- Plant Diseases (303)

Research Project: **Location:
                            Horticultural Crops Disease and Pest Management Research Unit** Project Number: 2072-22000-045-028-S
                        
                        Project Type: Non-Assistance Cooperative Agreement Start Date: Sep 1, 2022
                        
                        End Date: Oct 31, 2024 **Objective:**
                        
                        Characterization of plant pathogen diversity and communities in commercial nursery production systems. **Approach:**
                        
                        This project will identify genetic diversity of Phytophthora pathogens including P. ramorum and other important Phytophthora species. Briefly, we will use population genomic approaches to profile genetic diversity in populations of select Phytophthora species. Variation among isolates within species will be assessed using genotyping methods including genotyping by sequencing (GBS) as well as plant pathology assays to determine phenotypic diversity. Metabarcoding approaches will be used to determine community diversity in Phytophthora species in nurseries and other environments.


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