Table 3.
Herbicide rates (grams of acid equivalent per hectare) used in the dose response study with P2 Palmer amaranth and waterhemp plantsa.
Herbicide | Doses (g ae ha−1) | |
---|---|---|
Palmer amaranth | waterhemp | |
glyphosate | 3.9, 9.9, 19.7, 39.4, 197, 394.0, 985.1, and 1970.2 | 3.9, 9.9, 19.7, 39.4, 394.0, 985.1, and 1970.2 |
2,4-D | 166.4, 332.8, 831.9, and 1663.8 | 33.3, 83.2, 166.4, 332.8, 831.9, and 1663.8 |
dicamba | 3.5, 8.8, 17.5, 350.3, 875.7, and 1751.3 | 35, 87.6, 175.1, 350.3, 875.7, and 1751.3 |
aGlyphosate solution had the addition of ammonium sulfate solution at 5% v/v (Bronc, Wilbur-Ellis Agribusiness, Aurora, CO, USA).