Summary: The objectives of this project were: Characterize the role of packingline stressors on the development of Lenticel Breakdown (LB) to increase the industry’s ability to pack susceptible fruit. Specific attention was paid to the following: • Dump tank acidifiers and concentration • Fruit cleaner formulation and concentration • Wax type • Presize • Apple and rinse temperature at time of packing • Brush speed • HyperClean