Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu Lima bean downy mildew was found by a CCA and confirmed on Wednesday from a field of ‘C-elite’ near Galena, MD. Growers need to be scouting carefully and applying fungicides as needed. If seen… Continue Reading
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu Cucurbit Downy Mildew Cucurbit downy mildew was confirmed on pumpkin, summer squash and winter squash this week in DE. It will likely be more widespread following the storm. Maintain fungicide sprays specific for downy… Continue Reading
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu Basil Downy Mildew Basil downy mildew has been seen in nearby NJ. Any sweet basil growers should be scouting for this disease. Phosphite fungicides such as Prophyte have shown the best efficacy for controlling… Continue Reading
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu Late Blight There have been no new late blight detections in DE or VA on potatoes. The disease apparently is under control and the weather has not been very favorable, especially where the temperatures… Continue Reading
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu Late blight caused by the fungus-like organism, Phytophthora infestans, was confirmed this week in DE, eastern shore VA, and the South Fork on Long Island, NY on potato. See the Potato Disease Advisory. Late… Continue Reading
