Phase sensitivity of perennial dicotyledonous weed species to Flex herbicide Vadim Morokhovets, Tamara Morokhovets, Elena Markova, Zoya Basai, Svetlana Vostrikova and Nina Skorik E3S Web of Conf., 462 (2023) 02018 Published online: 12 December 2023 DOI: 10.1051/e3sconf/202346202018