Commissions

Scientific-Technical Commission IHGC

promotes research and technical results linked to breeding, production, plant protection, processing, marketing, and quality of hops. Chaired in 2017-25 by Dr. Florian Weihrauch (DE), from 2025 on by Silvana Laupheimer (DE).

Proceedings: 2025 | 2023 | 2022 | 2019 | 2017 | 2013 | 2011 | 2009 | 2007 | 2005 | 2003 | 2001 |

Photo-text: 2025a, 2025b | 2023 | 2022 |

Hop variety list: 2025 | 2024 | 2023 |

Various documents 2001-25 are also available on the LfL site.

Commission on Regulatory Harmonization IHGC

links the US Hop Industry Plant Protection Committee and the EU Commodity Expert Group for Hops – chaired by Maggie Elliot (US) and Dr. Erich Lehmair (DE).

Documents: 2025-07 | 2023-11 | 2023-08 | 2022-11 | 2022-07 | 2022-04 | 2021-11 |

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