If pear and apple flowers are opened in your location or will be opening 31 March – 3 April, we have fire blight infections predicted to occur with rains on 2 April in Bristol, 1 April in Winchester, Timberville, Charlottesville and Sperryville, and on 1 …

With the extreme heat wave we have experienced in the recent several weeks, pears have been in active bloom for some time and were under risk from infection by fire blight on 22 March. The NEWA’s Infection Potential EIP value reached over 100 on March …

(I) Apple Diseases Flower buds on apple are putting the green tissues out, with more surface unfolding each day. Due to abnormally warm weather we experienced last week into this week, some locations in the southern Virginia have most fresh fruit apple cultivars transitioning to …

In terms of delayed dormant copper, so far we have always operated under the assumption that the delayed dormant copper application is effective as one mancozeb application for apple scab. Before thinking about starting a scab spray program, one must determine if they have cultivars …

A standard recommendation for delayed dormant copper is applying it on apples between Silver Tip and until but not beyond quarter inch green tip (QIG). QIG is determined by looking at the floral apple buds which are wider in appearance and situated on spurs. Leaf …