Time to Reduce Overwintering Inoculum of Apple Scab Fungus and Marssonina Leaf Blotch Fungi in Apple Leaf Litter
I. APPLE SCAB If apple scab was not controlled timely last year and primary and secondary infections on leaves were visible at any time during the season, you should aim to reduce overwintering scab inoculum residing in leaf litter on the orchard floor. Especially conducive …