David Owens, Extension Entomologist, owensd@udel.edu Alfalfa Any alfalfa that was recently cut should be swept for potato leafhopper to ensure that it does not damage regrowth. Recently cut alfalfa less than 6 inches in height has low thresholds, near 1-2… Continue Reading
David Owens, Extension Entomologist, owensd@udel.edu Alfalfa Scout any recently cut or small alfalfa less than 12” tall for potato leafhopper. Last week we scouted several alfalfa fields between Salisbury and Dover, our southernmost fields had very high numbers of potato… Continue Reading
David Owens, Extension Entomologist, owensd@udel.edu Sweet Corn Trap captures continue declining, and field corn is beginning to silk. Although black light traps continue to indicate elevated activity at most locations, pheromone trap capture is very low. Location Blacklight trap capture… Continue Reading
David Owens, Extension Entomologist, owensd@udel.edu Alfalfa Potato leafhopper counts from this week were a good bit higher than two weeks ago. Scout short alfalfa now for leafhopper. In our management guide, there is a threshold table relating leafhopper count, size… Continue Reading
David Owens, Extension Entomologist, owensd@udel.edu Soybean Its about time soybeans might receive a herbicide application. It is tempting to tank mix an insecticide with it, but after testing herbicide pyrethroid tank mixes on 9 field site years with large field-size,… Continue Reading
