The Effects of Simulated 2,4-D Drift on Cotton Growth, Development, and Yield

The release of 2,4-D and Dicamba tolerant cotton varieties in the near future will drastically increase the interface between tolerant and non-tolerant cotton, therefore increasing the potential for drift of such chemistries onto non-tolerant fields.  Planting dates for cotton in South Georgia ranges from late April to June 15th, therefore exposing cotton to potential drift at growth stages ranging from seedlings to mid/late bloom. This experiment  was established to identify the growth stages that are most sensitive to 2,4-D drift, as well as to develop tools for evaluating injury and how it relates to potential yield loss.