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ProCrop |
Percent Wild Mustard Control in Sunflower 1984-86
With Assert at Various Locations in North Dakota
| Rate in Ounces of Product Per Acre | Percent Control
Wild Mustard 2-6 lf. (Number of Locations) |
Percent Control 4 Leaf to Flower |
| 3.2 | 98 (1) | 77 (1) |
| 4.0 | 79 (2) | 45 (1) |
| 6.4 | 94 (5) | 62 (2) |
| 7.7 | 86 (2) | 67 (1) |
| 9.6 | 98 (1) | 89 (1) |
| 12.9 | 98 (5) | 65 (2) |
| 15.5 | 98 (2) | 65 (1) |
| 20.2 | 97 (4) | 60 (1) |
NDSU Data: Shows good control of 2 - 6 leaf wild mustard at rates as low as 0.2 pt. (1 Location) of Assert per acre. Larger wild mustard is not controlled as well with lower rates. Labeled rates of Assert are 0.6 to 0.8 pints for wild mustard control. Surfactant must be added to spray solution. Use one quart of 80 percent active ingredient surfactant per 100 gallons spray solution. Above data was collected with a formulation no longer used. Results with new formulation may not match older data.
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