Alyssa Koehler, Extension Field Crops Pathologist; akoehler@udel.edu A broad range of diseases can affect sorghum. Over the course of the season, root rots, foliar pathogens, stalk rots, and head molds can all impact yield potential. Foliar diseases have been showing… Continue Reading
Alyssa Koehler, Extension Field Crops Pathologist; akoehler@udel.edu The rain and high humidity this week have favored some foliar disease development. Grey Leaf Spot (GLS) is showing up in late-planted corn. In corn that is already past R3, foliar lesions that… Continue Reading
David Owens, Extension Entomologist; owensd@udel.edu Sorghum Continue scouting flowering to milk stage sorghum for corn earworm. Earworms generally have a ‘bumpy’ appearance, and in sorghum, a darker striping pattern. The head is orange. Fall armyworm may also be present in… Continue Reading
Jerry Brust, IPM Vegetable Specialist, University of Maryland; jbrust@umd.edu On a recent visit to a farm I saw bright yellow leaves in a pumpkin field (Fig. 1) and wondered if this could be Cucurbit yellow vine decline that was first… Continue Reading
Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu Cover crops that put on significant growth in the fall and then die during the winter can be very useful tools for vegetable cropping systems. These winter-killed cover crops add organic matter,… Continue Reading
