herbicide injury, growth regulator injury (phenoxy herbicide) on Sunflower (Helianthus sp.)
| 3 Images |
Paul Bachi University of Kentucky Research and Education Center |
All the younger leaves in the sample showed symptoms of severe growth regulator (i.e. phenoxy herbicides, e.g. 2,4-d) injury; curling, cupping, elongated tips or margins, and scalloped margins. |
Paul Bachi University of Kentucky Research and Education Center |
All the younger leaves in the sample showed symptoms of severe growth regulator (i.e. phenoxy herbicides, e.g. 2,4-d) injury; curling, cupping, elongated tips or margins, and scalloped margins. |
Paul Bachi University of Kentucky Research and Education Center |
All the younger leaves in the sample showed symptoms of severe growth regulator (i.e. phenoxy herbicides, e.g. 2,4-d) injury; curling, cupping, elongated tips or margins, and scalloped margins. |
