Browse Items (4334 total)
- Collection: Ken Armson fonds
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Close up of a root system in black spruce
Root system of black spruce planted 1962, 2m. height. Photo June 1971 Sanford Mutrie, Dryden Paper Co.
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Close up of a tree pest
Adelges spp. on black spruce
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Close up of foliage and needles
Foliage age classes and needle fall. white pine, Parry Sound
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Close up on a forest understory plant species
Understory plant species
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Close up on black spruce tree growth in a hilly landscape
Black spruce was planted in 1968. cf slides #182, 183, 184. Camp 12, Gounamitz, Black Brook. J.D.Irving.
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Close up on budworm damage on red spruce
Budworm damage on red spruce. Black Brook, J.D.Irving.
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Close up on plantation made in a hilly landscape
Black spruce planted in 1968. cf slides #182, 183, 184. Camp 12, Gounamitz. Black Brook. J.D.Irving.
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Close up on semimature needle blight on white pine (image 2)
Semimature needle blight on white pine. Parry Sound, Georgian Bay.
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Close up on semimature needle blight on white pine.
Semimature needle blight on white pine. Parry Sound, Georgian Bay.
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Close up on tree needle rust
Needle rust (Chrysomyxa spp.) on white spruce. Black Brook, J.D.Irving.
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