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Determining yield under frost - one degree at a time

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Current frost phenotyping methods used within the Australian National Frost Program (ANFP) are based on frost induced sterility at flowering... This estimation of varietal response to frost assumes the reduction in grain number is the main yield component affected... There has been limited work evaluating the effect of frost induced sterility on yield components (grains per m2, spikes per m2 and grain weight) and final grain yield or for variation in this under frost...