arboriculture
Concise Oxford English Dictionary © 2008 Oxford University Press:
arboriculture /ˈɑːb(ə)rɪˌkʌltʃə, ɑːˈbɔː-/
▶noun the cultivation of trees and shrubs.
– derivatives
arboricultural adjective,
arboriculturist noun.
arboricultural adjective,
arboriculturist noun.
'arboriculture' also found in these Oxford entries:

