Relative Control of Spruce Budworm with Insecticides on fir spruce and hemlock
Date Published: 1978
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- Hansen, R.
University of Maine - Dimond, J
University of Maine
Observations on efficacy of insecticides applied for control of spruce budworm in Maine have routinely been made only for balsam fir. This is because balsam fir has been considered both more susceptible and more vulnerable to budworm attack than other hosts, particularly spruce.
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