Maturity index meter and modelling to optimise pre- and post-harvest apple quality

Determining the correct maturity for the harvest of apples is important for optimal storage and the prevention of storage disorders such as Superficial Scald (SS) and Internal Browning (IB). Traditionally, destructive techniques such as starch conversion, ethylene production, respiration rate and colour determination were performed by growers and researchers. A study undertaken by the Department of Jobs, Transport & Resources (DEDJTR) in collaboration with the University of Melbourne used a Difference of Absorption (DA) meter to non-destructively measure and track the maturity of ‘Rosy Glow’ apples on the tree, and comparing this method with traditional maturity indicators. In the video, Dr Virginia Williamson discusses the maturity index meter and modelling to optimise pre- and post-harvest apple quality. She highlights that to apply 1-MCP before 4 days after the harvest is even more important that the maturity index to control postharvest disorders in apple.Pictures1 - Dr Virginia Williamson on Maturity index meter and modelling to optimise pre and post harvest apple2 - Da-meter, by tr Turoni, used to determina the maturity index SourceHorticulture Industry Networks