glyphosate (various trade names)
Rate 33 to 75% solution (2 to 12 quarts formulated herbicide + 1 gal water)
Time Ropewick after volunteer rye heads and is 6 inches above wheat, but before wheat heads.
Remarks Apply at least 35 days before harvest.
Caution Do not let herbicide solution contact desirable vegetation.
Site of action Group 9: inhibits EPSP synthase
Chemical family None generally accepted