In New Zealand, most oranges are grown on a hardy rootstock of Poncirus trifoliata, a citrus with small, sour fruits. It is relatively disease-resistant, and tolerates drought and wind. This 1966 film clip shows orange-tree buds being inserted and taped into the rootstock, some young grafted plants and an orchard of grafted trees.
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Archives New Zealand - Te Rua Mahara o te Kāwanatanga
Reference: Pictorial Parade 174. National Film Unit, 1966
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