Spring-applied glyphosate treatments for annual and perennial weed control in Skyline honeylocust.
| Weed control | |||||
|---|---|---|---|---|---|
| Herbicide treatment | Rate | Annual broad leaves | Bigroot morning glory | Bigroot morning glory | Morning glory |
| lb AIA | (8-27-75) | (7-23-75) | (8-27-75) | (8-27-75) | |
| Glyphosate (single application) | 2.0 | 8.0b | 9.0a | 9.7a | 9.7ab |
| Glyphosate (single application) | 4.0 | 8.7ab | 10.0a | 10.0a | 10.0a |
| Glyphosate (applied every 3 weeks) | 2.0 | 10.0a | 10.0a | 10.0a | 10.0a |
| Glyphosate (applied every 3 weeks) | 4.0 | 10.0a | 10.0a | 10.0a | 9.3b |
| Glyphosate (applied every 5 weeks) | 2.0 | 10.0a | 10.0a | 10.0a | 10.0a |
| Glyphosate (applied every 5 weeks) | 4.0 | 10.0a | 10.0a | 10.0a | 9.7ab |
| Control | — | 3.0c | 2.0b | 2.0b | 3.0c |