* 1970: Peter Goldacre Award from the Australian Society of Plant Scientists (previously called the Australian Society of Plant Physiologists).
* 1980: Charles F Kettering Award from the American Society of Plant Physiologists, shared with Hugo Kortschak and Marshall (Hal) Davidson Hatch.
* 1981: Rank Prize for Nutrition, shared with Hugo Kortschak and Marshall (Hal) Davidson Hatch.
* 1983: Elected as a Fellow of the Royal Society of New Zealand.
* 1989: Elected as a Fellow of the Royal Society.