Fall Fruit Tree Follow-up

November 30, 2018 Fall is a fine time to do investigative work in the orchard and plan for winter or spring pest management. Confirming that our Harrow Delight pear problem was Pear Trellis Rust (Gymnosporangium sabinae) was an excellent warm-up exercise, since the blemishes on the leaves are so clearly identifiable. I made a leaf […]