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Sweet fern blister rust (invasive fungi species)
Sweet fern blister rust (Cronartium comptoniae) aeciospores on a young jack pine. Englehart Management Unit.
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6 yrs old jackpine planted with tube (image 2)
Ontario tube at base of jack pine, six years after planting. Englehart Management Unit.
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6 yrs old jackpine planted with tube
Ontario tube at base of jack pine, six years after planting. Englehart Management Unit.
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Northern pitch twig moth (nodule)
Pitch nodule maker, Petrova albicapitana on jack pine. Englehart Management Unit.
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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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View on semimature needle blight on white pine.
Semimature needle blight on white pine. Parry Sound, Georgian Bay.
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Semimature needle blight in white pine
Semimature needle blight in white pine. Parry Sound, Georgian Bay.
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Red pine killed by forest pest
Red pine killed by Fomes annosus. Pack Forest, Warrensburg.
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On-site demonstration of red pine study by SUNY professor
Dr. Al Leaf of SUNY, Syracuse describing his study on red pine roots, Pack Forest, Warrensburg
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