Neal Manly said Tiberon was a unique tool to help nurseries produced branched trees for high-density plantings. Photo by Geraldine Warner When a plant growth regulator that ­stimulates branching of fruit trees became available three years ago, ­nurseries welcomed it as a silver bullet. Well-branched nursery trees that produce high early yields are the key to profitability in modern high-density orchards, and ever since apple growers began to demand feathered trees, nurseries have used techniques to overcome the natural apical dominance of trees and stimulate branching. Traditionally, this has been done either by applying Promalin (benzyladenine and gibberellic acid) or […]