dis·bud /(ˌ)dɪsˈbʌd/
  (vt.)摘去嫩芽
  Dis·bud v. t.  Hort. To deprive of buds or shoots, as for training, or economizing the vital strength of a tree.
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  disbud
       v 1: thin out buds to improve the quality of the remaining
            flowers
       2: destroy undeveloped horn buds (of cattle)
       [also: disbudding, disbudded]