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Serving the research and extension needs of Long Island's horticultural industries. Vegetable Pathology contact: Dr. Meg McGrath mtm3@cornell.edu 3059 Sound Ave. Riverhead, NY 11901 (631) 727-3595 (631) 727-3611 (fax) All photographs in this gallery were taken by Meg McGrath unless otherwise noted. For permission to use Meg's, please email her: mtm3@cornell.edu |
Downy mildew on basilReturn to disease photo index.
These images show first symptoms of downy mildew found on untreated plants in a home garden. First three photographs taken on 9 August 2009, the rest on 12 August 2009. Yellowing on upper leaf surfaces. Pathogen growth and spores on lower leaf surfaces.  Close-up of pathogen growth.  Yellowing on upper leaf surfaces.  Pathogen growth and spores on lower leaf surfaces.  Close-up of pathogen growth.  Close-up of pathogen growth.  Close-up of pathogen growth.  Basil downy mildew in a commercial crop. (Photo courtesy Maire Ullrich, Cornell Cooperative Extension-Orange Co., N.Y.)  Basil downy mildew in a commercial crop. (Photo courtesy Maire Ullrich, Cornell Cooperative Extension-Orange Co., N.Y.)  Basil downy mildew in a commercial crop. (Photo courtesy Maire Ullrich, Cornell Cooperative Extension-Orange Co., N.Y.)  Basil downy mildew in a commercial crop. (Photo courtesy Maire Ullrich, Cornell Cooperative Extension-Orange Co., N.Y.)  More images of downy mildew on basil at the Cornell Vegetable MD website Return to disease photo index. © Copyright by the Department of Horticulture Website at Cornell University. |
Department of Horticulture
Department of Plant Pathology
and Plant-Microbe Biology
Department of Entomology
CCE of Suffolk County
Department of Plant Pathology
and Plant-Microbe Biology
Department of Entomology
CCE of Suffolk County
