Table 2. Effect of reduced rates of pre- and post-emergence herbicides on grain yield, barren plants, and final stand, averaged across plant population and row width, London, Ohio 1994.
| Grain Yield | | |
|---|
| Treatment* | @15.5% Moisture | Barren Plants | Final Stand |
|---|
| --bu/A-- | --%-- | # plants/A |
|---|
| No herbicide | 68 | 24 | 20,900 |
|---|
| Pre - full | 108 | 9 | 22,600 |
|---|
| Pre - 1/2 | 79 | 15 | 21,400 |
|---|
| Pre - 1/4 | 72 | 23 | 19,500 |
|---|
| Post - full | 134 | 6 | 24,000 |
|---|
| Post - 1/2 | 120 | 7 | 23,200 |
|---|
| Post - 1/4 | 116 | 9 | 23,400 |
|---|
| LSD (0.05) | 20 | 8 | 1,140 |
|---|
| | | |
|---|
| *Pre - preemergence herbicide treatment (atrazine + metolachlor); Post: postemergence herbicide
treatment (nicosulfuron + dicamba) |
|---|
For further information contact Mark Loux Associate Professor, Dept. of Horticulture & Crop Science, The Ohio State University or the Ohio IPM Office.
Return to Ohio IPM Home Page.