U.S. flagAn official website of the United States government
                    Here's how you know **Official websites use .gov**
                            
                            A **.gov** website belongs to an official government organization in the United States.
 **Secure .gov websites use HTTPS**
                            
                            A **lock** (                            
                              A locked padlock                                                      
                            
                            ) or **https://** means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.


Menu Agricultural Research Service
						
                    U.S. DEPARTMENT OF AGRICULTURE
 Plant Introduction Research: Ames, IA
 close



    Research

                    Research Projects
                                    Publications
                                    Collaborations
                                    News
                People

                    Staff Listing
                                    Careers


        


                    Main Menu
                        Home page
                                    About the Plant Introduction Station
                                    Crops
                                    Entomology
                                    Facilities
                                    Pathology
                                    Seed Storage
                                    Seed Viability
                                    Annual Reports
                                    Ash Conservation ProjectSearch small
                    Search
            
            ARS Home
                                About ARS
                                Contact Us




ARS Home Midwest Area Ames, Iowa Plant Introduction Research People & Locations







Colleen  Warfield
                        Plant Introduction Research

                        




                        
                        Plant Pathologist
                        Phone: (515) 294-4379
                        
                        
                        Fax: (515) 294-4880(Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)
                            ProjectsManagement of Crop Genetic Resources and Descriptive Information
                                                    In-House Appropriated
                                                                    (D)Accession Number: 444044**Publications**
                                                (Clicking on the reprint icon
                                                    Reprint Icon
                                                    will take you to the publication reprint.)The impatiens downy mildew epidemic in the U.S. is caused by new, introgressed lineages of Plasmopara destructor with prominent genotypic heterogenicity and high evolutionary potential
                                                        

- (Peer Reviewed Journal)Salgado-Salazar, C., Catstroagudin, V., Leblanc, N.R., Daughtrey, M., Hausbeck, M., Palmer, C., Shishkoff, N., Warfield, C.Y., Crouch, J. 2023. The impatiens downy mildew epidemic in the U.S. is caused by new, introgressed lineages of Plasmopara destructor with prominent genotypic heterogenicity and high evolutionary potential. Plant Disease. https://doi.org/10.1094/PDIS-08-22-1872-RE.


Return to top


Connect with ARS Sign up


ARS Home
                            USDA.gov
                            Plain Writing
                            Policies & Links
                            Civil Rights Statements
                            FOIA
                            Accessibility Statement
                            Privacy Policy
                            Non-Discrimination Statement
                            Quality of Information
                            USA.gov
                            WhiteHouse.gov