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Jack pine. Silviculture 445 492
Vigorous crown, good form in 60 yr jack pine. N.B. poor form -broken crown to right
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Cankers on jack pine. Silviculture 444b 491c
Cronartium comptoniae (Sweetfern blister rust) cankers on 50 yr jack pine. Cairo-Flavelle Twp. Engelhart Management Unit
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Blister rust on jack pine. Silviculture 444a 491b
Cronartium comptoniae (Sweetfern blister rust) cankers on 50 yr jack pine. Cairo-Flavelle Twp. Engelhart Management Unit.
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Spruce budworm damage. Silviculture 443b 490b
Spruce budworm damage in balsam fir. New Brunswick
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Spruce budworm damage in balsam fir. Silviculture 443a 490a
Spruce budworm damage in balsam fir. New Brunswick
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Defoliation, balsam fir. Silviculture 442b 489b
Defoliation and mortality in balsam fir. New Brunswick
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Defoliation and mortality in balsam fir. Silviculture 442a 489a
Defoliation and mortality in balsam fir. New Brunswick
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Endocronartium harknessii on jack pine. Silviculture 441b 488b
Endocronartium harknessii sporulating (aeciospores) on jack pine. Engelhart Management Unit
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Endocronartium harknessii on jack pine. Silviculture 441a 488a
Endocronartium harknessii sporulating (aeciospores) on jack pine Engelhart Management Unit
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White spruce at 5 years. Silviculture 440 487
White spruce planted 1965 at 5yrs. Black Brook, J.D.Irving. Person: Neils Kreiberg
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