Novel Protoporphyrinogen oxidase 1 mutations endow resistance to PPO-inhibiting herbicides in Bassia scoparia
Aimone Porri, Quincy D. Law, Charles M. Geddes, Joseph T. Ikley, Samuel D. Willingham, Philipp Johnen, Ingo Meiners, Sama Al-Sammarraie, Kim Crommar, Pieter B. F. Ouwerkerk, Michael Betz, Brian M. Jenks, Heike Heiser, Fabienne Baumann, Frank Brändle, Jens Lerchl
This study identifies PPO1 mutations in Bassia scoparia that confer resistance to PPO-inhibiting herbicides, with fomesafen remaining effective against resistant biotypes.
bioRxiv · Jan 15, 2026 · PreprintBiochemistry