Anew growth regulator that nurseries can use to promote branching of young apple and cherry trees should be available for use this year. Dr. Don Elfving, horticulturist with Washington State University in Wenatchee, said Tiberon, which contains the active ingredient cyclanilide and is produced by Bayer CropScience, received federal registration last fall. He has been testing the product since 2000. Bayer markets a number of cyclanilide products for various crops. Elfving said the active ingredient induces branching in a large number of plants. “It seems to work on about 50 percent of the species on which it’s tried, and it […]