Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu The following was modified from a 2011 article from Bob Mulrooney, Extension Plant Pathologist (now retired), University of Delaware As we move into late August and September, cooler temperatures, heavy dews and… Continue Reading
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu Lima Bean Downy Mildew Downy mildew is present now in Delaware lima bean fields. Levels are not high but many have been sprayed to protect the crop. Keep scouting and apply fungicides when needed;… Continue Reading
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 The recent heavy rainfall from the storms has been very favorable for development of downy mildew. Lima bean fields should be scouted carefully now for the presence of downy mildew as well as white… 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
