Applying the equation to temperature extremes encountered on the journey to Sydney, it predicts that a five day green life at an average January summer temperature of 25 ◦ C en route (Bureau of Meteorology, 2013) can be achieved if the ethylene concentration is maintained at ≤0.58 ?L/L (95% confidence limits (CL) of 0.47and 0.72 ?L/L)