Changes in spruce budworm defoliation with crown level

Canadian Entomologist

Volumn 128, Issue 6, 1996, Pages 1109-1113

  Piene, Harald ^a  

^a LAURENTIAN FORESTRY CENTRE   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

ABIES; ABIES BALSAMEA; CHORISTONEURA FUMIFERANA; PICEA; LEPIDOPTERA; PINACEAE; TORTRICIDAE;

BALSAM FIR; DEFOLIATION; SPRUCE BUDWORM;

CANADA, NOVA SCOTIA, CAPE BRETON HIGHLANDS;

EID: 0030322075     PISSN: 0008347X     EISSN: 19183240     Source Type: Journal    
DOI: 10.4039/Ent1281109-6     Document Type: Article

References (14)

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3. Fettes, J.J. 1950. Investigations of Sampling Techniques for Population Studies of the Spruce Budworm on Balsam Fir in Ontario. Forest Insect Laboratory, Sault Ste. Marie, Ontario, Annual Technical Report 4: 401 pp.
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13. Sanders, C.J. 1980. A Summary of Current Techniques used for Sampling Spruce Budworm Populations and Estimating Defoliation in Eastern Canada. Canadian Forestry Service, Department of the Environment, Great Lakes Forest Research Centre, Sault Ste. Marie, Ontario, Report O-X-306: 34 pp.
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