Abstract
Abstract A 4 year old, hand-planted, mixed jack pine/ red pine plantation in central Cheboygan County, MI was used in this test. Trees were approximately 4 ft in height and were planted at a 6 ft by 6 ft spacing. Sawfly larvae appeared to be uniformly distributed across the test block and were fully grown at time of treatment. A total of 5 treatments were randomly assigned to rows of 60 trees each within the test block. A backpack mistblower, calibrated to 29 gal/acre, was used to apply the chemical. A single appUcation of each rate was made during late morning of 15 Jul. Temp at time of treatment was 80 F and wind speed was less than 3 mph. No precipitation was recorded on the day of treatment; 0.07 inches of rain fell on 16 Jul.
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