In most cases, this unbiased response is sufficient for the client's needs. Although different herbicide groups usually show characteristic symptoms we always take great care in making a diagnosis based on symptoms since other causal factors such as late freeze damage, virus infection, mites and insects may also initiate herbicide look-alike symptoms on plant foliage. Please refer to the publication ID-184, Diagnosing Herbicide Injury on Garden and Landscape Plants Plants , for additional information pertaining to diagnosing potential herbicide injury to ornamentals. The information given herein is supplied with the understanding that no discrimination is intended and no endorsement by the Purdue University Cooperative Extension Service is implied. Any person using products listed assumes full responsibility for their use in accordance with current direction of the manufacturer.
Information listed is valid only for the state of Indiana.