David Owens, Extension Entomologist, owensd@udel.edu Be sure to scout strawberry plantings for spider mites. Thresholds during the flowering and fruiting stage are 15 – 20 mites per leaflet. Take 10 mid-canopy leaflets (not the full leaf) per acre and count… Continue Reading
David Owens, Extension Entomologist; owensd@udel.edu Winter annual weeds continue to germinate. Destroying weeds and maintaining clean greenhouses will go a long way to reducing the potential for spider mite colonization of transplants next spring.
David Owens, Extension Entomologist, owensd@udel.edu Congratulation to Kathleen Heldreth, Keith McGowan, and Chris Burkhart for correctly guessing the three problems on cucurbits. The first two images were spider mites. Early spider mite infestations on watermelon do not always reveal themselves… Continue Reading
Jerry Brust, IPM Vegetable Specialist, University of Maryland; jbrust@umd.edu This week I saw several high tunnel tomatoes and cucumbers with moderate to severe two spotted spider mite (TSSM) Tetranychus urticae infestations (Fig. 1). These pests vary in color from white… Continue Reading
David Owens, Extension Entomologist; owensd@udel.edu The miticide/fungicide Magister (Fenazaquin) has been labeled by Gowan on melons, fruiting vegetables, hops, legumes, and fruit trees. Only one application can be made per year, and applications should be made in at least 50… Continue Reading
