Economics stack up for wheat breeding investment. GRDC Groundcover, Edition 175 Prof. Richard Trethowan at the Plant Breeding Institute, University of Sydney. Photo: Paul Looyen Jumbuck released as potential hard wheat for NSW, Qld. - Grain Central Jumbuck trial crops from 2023 season. Photo: InterGrain. Source: Grain Central Q&A on wheat research with Richard Trethowan PBI Field Day 2015 presented by A/Prof Richard Heath