Spray to wet, but stop just short of getting runoff. This method takes less time per plant and uses less chemical. But Kilgore reports that it is less popular, possibly because producers believe the more thorough coverage of the basal bark treatment is more effective. Effective Solutions Kilgore uses 1 gallon of Remedy mixed with 3 gallons of diesel fuel for larger trees. For smaller plants, a dilution of 1 gallon of Remedy with 4 to 5 gallons of diesel fuel, fuel oil or kerosene may be adequate.
Remedy is effective against all common brush species except black locust.
Basal treatments are effective for slick-barked trunks less than 6 inches in diameter. For larger trees, he recommends cut-stump applications. The tree is cut down, and the sides of the stump and the outer portion of the cut surface are treated with Grazon or Tordon 22k. Some custom operators have a large tree lopper on the front of a skid-steer loader that they can use to cut off trees that are up to 12 inches in diameter. This is followed with treatment of the stump.