Weihrauch F, Baumgartner A, Felsl M, Kammhuber K, Lutz A. The Influence of Aphid Infestation during the Hop Growing Season on the Quality of Harvested Cones. BrSc. 2012;65(7/8):83-90. Accessed May 30, 2026. https://brewingscience.de/index.php/brewingscience/article/view/393