1889–1900
The collaboration with Friedrich Caspari begins
Friedrich Caspari returns from his studies near Vienna and is appointed state commissioner for the fight against phylloxera. The two begin a close collaboration, with numerous courses and practical sessions, that will last ten years.
Friedrich Caspari returns from his studies near Vienna and is appointed state commissioner for the fight against phylloxera. The two begin a close collaboration, with numerous courses and practical sessions, that will last ten years.