1997 Sunflower Grower Survey of Pest Problems and Pesticide Use 

Table 29. Herbicide use on sunflower in 1997.

Herbicide Kansas   Minnesota   North Dakota   South Dakota

-- % of respondents' acres treated --

Assert 0.0   28.2   9.7   0.7
Eptam (spring) 0.3 0.0 2.1 0.1
Gramoxone 0.2 0.0 0.0 0.0
Poast 3.0 19.8 9.5 14.4
Prowl (fall) 2.4 0.0 0.4 0.2
Prowl (spring) 45.2 23.5 0.0 12.7
Roundup (pre) 4.9 0.5 5.4 11.2
Sonalan (fall) 0.0 3.0 1.2 0.7
Sonalan (spring) 4.7 22.2 42.7 28.7
Sonalan + Eptam 0.0 0.4 1.3 0.0
Trifluralin (fall) 0.0 3.5 4.7 2.2
Trifluralin (spring) 14.3 15.4 30.5 31.2
Trifluralin + Eptam 2.2 0.0 3.1 0.0