D1: Hazards, Pets, Disease: Bacakground: Ernst Ruhl from Geisenheim on Phylloxera
- Author
- Chris Scott
- Published
- Mon 27 Jun 2022
- Episode Link
- https://www.thirtyfifty.co.uk/wset-level-4-podcast.asp
We ask Professor Ernst Ruhl from the Geisenheim Grape Breeding Institute to explain how phylloxera attacks grape vines.
