May 23-24: Apple scab and cedar-apple rust infection period; wet 14 hr at mean 65º.
May 22-23: Apple scab and cedar-apple rust infection period; wet 17 hr at mean 65º with 0.09 in. rain.
Disease management information directed mostly to the Frederick County Virginia tree fruit industry, updated as needed throughout the growing season. Keith Yoder, Virginia Tech Agricultural Research and Extension Center, Winchester, Virginia
About Me
- Keith Yoder
- Professor Emeritus of Plant Pathology, Virginia Tech Ag. Research and Extension Center, Winchester, VA
