%0 Conference Paper %A Boutry, C. %A Baumgartner, F. %A Schärer, H.-J. %A Köchli, S. %A Cachat-Terrettaz, M. %A Sonnard, R. %A Gabioud-Rebeaud, S. %A Araldi, F. %D 2025 %F orgprints:57073 %K Obst, Pflanzenschutz, Abacus, FiBL70065, INNO-STOCK, FiBL25119, InnOBreed %T On-farm evaluation of pre-harvest application of acid clay in organic apple orchards to reduce post-harvest apple diseases %U https://orgprints.org/id/eprint/57073/ %X Introduction 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.