Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu
Continue to scout and spray for downy mildew. The temperatures are higher than ideal but the fungus survives and continues to be a threat. Home vegetable gardens in Sussex County are reporting downy mildew on cucumbers now. Continue to check the ipmPIPE site http://cdm.ipmpipe.org/. The forecast was for moderate risk earlier in the week.