As we approach fall harvest, growers will also be considering management for next season. And that may include fall herbicide applications. See this article from Purdue Weed Science. Travis Legleiter, Weed Science Program Specialist and Bill Johnson, Professor of Weed Science recommend no-tillers, especially those who have had a history of marestail problems, consider fall herbicide applications.
See the full PDF from Purdue University's Weed Science specialist Travis Legleiter: