Follow up Studies on Area Sprayed with Nuclear Polyhedrosis Virus to Control Western Spruce Budworm in 1978
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- Cunningham, J.C.
Forest Pest Management Institute, Sault Ste Marie, Ontario - Shepherd, R.F.
Pacific Forest Research Centre
Following application of nuclear polyhedrosis virus on three 20 ha plots in 1978, studies were conducted in 1979 and 1980 on two of the plots to determine the impact of the virus in the years following application.
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