Research Article
Rate and Timing Effects of Growth Regulating Herbicides Applications on Grain Sorghum (Sorghum bicolor) Growth and Yield
Table 1
Planting and herbicide application dates.
| Location | Year | Planting | Herbicide application | Harvest | PRE | POST | 20 cm | 35 cm | 45 cm | 55 cm | 65 cm |
| Rocky Mount | 2012 | 06/25 | 06/25 | — | 07/13 | 07/19 | 07/24 | 07/27 | 11/14 | 2013 | 06/14 | 06/14 | — | 07/22 | 07/25 | 08/1 | 08/5 | 11/3 | 2014 | 06/30 | 05/30 | 06/17 | 06/24 | 06/27 | 07/3 | 07/11 | 09/23 |
| Clayton | 2012 | 06/26 | 06/26 | — | 07/20 | 07/24 | 07/30 | 08/6 | 11/13 | 2013 | 06/28 | 06/26 | — | 08/7 | 08/12 | 08/20 | 08/23 | 11/14 |
| Kinston | 2014 | 05/27 | 05/27 | 06/14 | 06/23 | 06/29 | 07/7 | 07/14 | 10/7 |
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Abbreviation: PRE, preemergence; POST, postemergence.
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