Study1 Pruning and Training Note #1 from the DK books, Pruning & Training Breaking Apical Dominance (topmost bud) encourages lateral growth. Genus which includes variable numbers of species. Species may be interbred to create hybrids, indicated by the prefix "x". Within a species natural variants..and cultivated varieties, or cultivars, verbgerund or present participle: coppicingcut back (a tree or shrub) to ground level periodi.. 2024. 7. 30. prev 1 next