1997 Sunflower Grower Survey of Pest Problems and Pesticide Use 

Table 53. Weed species targeted by spring-applied trifluralin used on sunflower in 1997.

Weed Species Kansas   Minnesota   North Dakota   South Dakota

-- % responding to question --

Grass 15.8   64.3   82.6   68.4
Broadleaf 26.3 0.0 1.4 1.8
Grass and Broadleaf 57.9 35.7 15.9 29.8