It's a condition the 65-year-old farmer believes he wouldn't have if it weren't for paraquat, a herbicide he once relied on to control weeds in his vineyard in the midwestern US state of Ohio.

They’re everywhere, and often come with resistance to herbicides. “The story behind wild oat being one of the biggest grassy weed issues and kochia being one of the biggest broadleaf weed ...

While much about modern farming techniques centers around the use of synthetic pesticides (a catch-all term that includes herbicides, insecticides, fungicides, and other similar substances) on large ...