David Owens, Extension Entomologist, owensd@udel.edu As we are conducting tissue tests getting ready to give corn that crucial shot of nitrogen and perhaps sulfur or potassium, I noticed silvering on the leaves. What caused this and is it a problem?… Continue Reading
David Owens, Extension Entomologist, owensd@udel.edu This week, we have a cosmetic pest of landscaping, commonly used around poultry houses that I get phone calls regarding in August. What is this?http://www.udel.edu/008255 or the Guess The Pest Logo to log your answer!
David Owens, Extension Entomologist, owensd@udel.edu Congratulations to Madeline Henrickson and several others for correctly identifying last week’s challenge as loose smut. I borrowed the photo from an excellent University of Maine fact sheet on smut: https://extension.umaine.edu/publications/1016e/. Essentially, the infection for… Continue Reading
This week, we jumped into barley fields to look at the impact of yellow dwarf in fields. While walking we found several funny looking heads. What is going on here?
Last week’s Guess The Pest challenge was pigweed (likely palmer) and ragweed. There are a lot of great weed identification resources listed at the GROWIWM.org website: https://growiwm.org/weed-identification/. Also, on their site you can find tons of great information on weed… Continue Reading
