Alyssa Koehler, Extension Field Crops Pathologist; akoehler@udel.edu Soybean Cyst Nematode consistently ranks as the most yield limiting pathogen of soybeans across the US, with root knot nematodes not far behind in the southern to mid-Atlantic regions of the US. Soybean… Continue Reading
Alyssa Koehler, Extension Field Crops Pathologist; akoehler@udel.edu Just as we have seen more disease presence in corn over the past week, soybeans are also beginning to show symptoms of diseases that have accumulated through the season. One of the most… Continue Reading
David Owens, Extension Entomologist, owensd@udel.edu Congratulations to Chris Cawley for accurately identifying the nondescript yellow and red and brown spots on the soybean leaf as belonging to Septoria Brown Spot. According to Dr. Alyssa Koehler, “This is… Continue Reading
Alyssa Koehler, Extension Field Crops Pathologist; akoehler@udel.edu Field Corn Grey leaf spot (GLS) has remained the primary disease showing up in corn. If GLS lesions are becoming widespread in corn that is already past R3, yield potential should not be… Continue Reading
Alyssa Koehler, Extension Field Crops Pathologist; akoehler@udel.edu Root knot nematodes (RKN) are plant pathogenic roundworms that live in the soil. The southern root-knot nematode (Meloidogyne incognita) is common across Delaware and can be yield limiting to soybeans, lima beans, snap… Continue Reading
