David Owens, Extension Entomologist, owensd@udel.edu Last week’s GTP challenge was Leptosphaerulina leaf spot in alfalfa. This week we are back to puzzles. There’s a good guide to leaf spot diseases and their management here: https://extension.entm.purdue.edu/newsletters/pestandcrop/article/foliar-diseases-of-alfalfa/. Leptosphaerulina leaf spot on alfalfa… Continue Reading
Mark VanGessel, Extension Weed Specialist; mjv@udel.edu Grass seedling identification can be difficult but is important for a number of reasons. Identification is important to know when deciding the best method of management. For instance, glyphosate controls a lot of grassy… Continue Reading
Alyssa K. Betts, Extension Field Crops Pathologist; akoehler@udel.edu Wheat is actively flowering and brought some intermittent rain with it. We are currently at medium to high risk for FHB in susceptible varieties (Figure 1). Fungicide applications are in progress across… Continue Reading
David Owens, Extension Entomologist, owensd@udel.edu Corn Between April 12 and April 19 we experienced our greatest black cutworm flight of the season in our Harrington trap, enough to kick off a degree day model. Those cutworms should just be large… Continue Reading
Emmalea Ernest, Extension Fruit & Vegetable Specialist; emmalea@udel.edu The strawberry section of the Mid-Atlantic Commercial Vegetable Production Recommendations includes fungicide recommendations for botrytis and anthracnose. Timing of fungicide sprays should be informed by weather conditions. NEWA offers a Strawberry Diseases… Continue Reading
