Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu I was disappointed to learn that our 24c special local needs label for Phostrol fungicide for downy mildew has expired. This means that it is not registered for use on lima beans in Delaware.… Continue Reading
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu In last week’s article I went over the control measures for downy mildew on baby lima beans and recommended Omega as a new product labeled for lima beans that has excellent activity for downy… Continue Reading
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu At this time last year downy mildew on lima beans had been seen. So far weather conditions have not been favorable for downy mildew. It looks like the weather may be changing and getting… Continue Reading
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu Lima Beans Continue to scout for downy mildew. The recent weather is very favorable for downy mildew. If downy is found apply RidomilGold/Copper, Phostrol or other labeled phosphorus acid (phosphonate) fungicide. If disease has… Continue Reading
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu Continue to scout fields for downy mildew. The recent hot weather is less favorable but the high humidity and morning fog might counteract the heat and provide conditions for the fungus to survive until… Continue Reading
