David Owens, Extension Entomologist; owensd@udel.edu Sweet Corn Corn earworm activity actually ticked up a fair bit at some sites on Monday. Traps are being checked today, but with the continued corn earworm activity in blacklight traps, I think it is… Continue Reading
David Owens, Extension Entomologist; owensd@udel.edu Soybean Last Friday we visited a double crop field not quite at R6 with significant defoliation occurring caused by soybean looper and numbers along, and only by, the edge coming out to 4 per sweep.… Continue Reading
Vegetable Crop Insect Scouting David Owens, Extension Entomologist; owensd@udel.edu Sweet Corn Corn Earworm activity continues to slowly decline, but numbers remain elevated in several of our blacklight traps. They probably will maintain high enough populations to justify a 3 day… Continue Reading
David Owens, Extension Entomologist; owensd@udel.edu Soybeans Soybean aphids continue to be active in the area, although populations appear to be declining in general. The threshold the Midwest uses for them is 250 aphids per plant prior to R5, and to… Continue Reading
David Owens, Extension Entomologist, owensd@udel.edu Sorghum Any sorghum that was shedding pollen in the last 7-10 days or is currently shedding pollen should be scouted for corn earworm. Beat 50 heads into a bucket and count the number of small,… Continue Reading
