On-farm evaluation of pre-harvest application of acid clay in organic apple orchards to reduce post-harvest apple diseasesC.BoutryauthorF.BaumgartnerauthorH.-J.SchärerauthorS.KöchliauthorM.Cachat-TerrettazauthorR.SonnardauthorS.Gabioud-RebeaudauthorF.AraldiauthorIntroduction In organic production, control methods against post-harvest diseases are limited, as the use of synthetic pesticides pre- and postharvest, as well as the use of 1-methylcyclopropene (1-MCP) during storage are prohibited. To evaluate alternative control measures compatible with organic production, additional acid clay treatments were tested right before to harvest.Fruit and berriesCrop health, quality, protectionPost harvest management and techniques2025Conference paper, poster, etc.