"I was thrilled with our defence. To keep them tryless was a big achievement."
Magpies utility back Tiaan Falcon impressed with his control and distribution from first five-eighth for the entire game. He also succeeded with six of his seven attempts at goal to finish with 13 points from five conversions and a penalty.
Hawke's Bay age group representative Pouri Rakete-Stones played the first 51 minutes at tighthead prop. Captain and No8 Luke Jacobson was outstanding and deserved his two tries.
Second five-eighth Orbyn Leger won the player-of-the-match award. The 28-man Baby Blacks team for the World Championship will be announced tomorrow.
Samoa beat Fiji 39-29 to secure third place.
■Scorers: New Zealand 43 (Luke Jacobson 2, Isaia Walker-Leawere, Will Jordan, Tamati Tua, Tom Christie tries; Tiaan Falcon 5 cons, pen) Australia 6 (Harry Nucifora 2 pen) HT: 29-6.