anthracnose of corn | Weekly Crop Update

Guess the Pest! Week 13 Answer: Anthracnose Leaf Spot

July 5, 2019Emmalea Garver Ernest

David Owens, Extension Entomologist, owensd@udel.edu From Nancy Gregory: Anthracnose leaf spot on corn is common in early summer. Symptoms include small elongate oval leaf spots on leaves, often with a yellow border or halo. Leaf spots first appear on lower… Continue Reading →

Scouting for Corn Diseases

June 14, 2019Emmalea Garver Ernest

Alyssa Koehler, Extension Field Crops Pathologist; akoehler@udel.edu Pythium Root Rot This year has continued to have very conducive conditions for Pythium species. Symptoms can include stunted, slower growing plants, to severely infected, dead plants. Early in the season, we were… Continue Reading →