Southern Minnesotans may be noticing some oak tree groves showing a lack of green. Muted shades of orange-red and brown in area landscapes indicate the effects of two years of drought; they are not a ...

The chestnut gall wasp, Dryocosmus kuriphilus, represents a significant threat to chestnut production worldwide due to its capacity to induce extensive gall formation that compromises tree health and ...

At the Kingman Research Farm just outside of the University of New Hampshire campus, there’s an orchard of chestnut trees, growing under the watchful eyes of researchers. The American chestnut was a ...