Cornell's "Scaffolds"
The Northeast's most extensive newsletter for tree fruit, focusing on New York but with valuable weekly information for the rest of the apple world from one of the best groups of Extension and research specialists in the world.
USDA Appalachian Fruit Research Station
USDA's extensive research facility in West Virginia hosts this web page. It includes contact information for researchers and information from the extensive number of projects conducted at the station.
Michigan State's Fruit Resources
This site includes items of interest for growers of all fruit crops. Particularly interesting is their collection of bud-stage photographs.