1997 Sunflower Grower Survey of Pest Problems and Pesticide Use 

Table 33. Weed species targeted by herbicides used on sunflower in 1997.

Weed Species Kansas   Minnesota   North Dakota   South Dakota

-- % of respondents --

Grass 34.2   50.0   55.6   62.3
Broadleaf 19.2 27.1 11.8 2.5
Perennial 0.0 0.0 2.8 3.1
Grass & Broadleaf 46.6 22.9 29.9 32.1