O most wizened one, way to not answer the question.
If you want to solve red thread issues, don't use grass varieties that are susceptible to red thread.
Right plant, right place.
You don't plant a cattail in the middle of the desert or a cactus in a swamp.
"Science is the belief in the ignorance of the experts" – Richard Feynman
Guns don't kill people, abortion clinics do.