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Insects Injuring Plantations
Heart Botters General Disc
Cankers General Disc
1 other sections not shown
abietis amount Arceuthobium pusillum areas Armillaria mellea Fomes attack balsam fir bark become Black Spruce BROWN CUBICAL butt rot callus tissue cambial region canker caused CHARACTERISTICS color coniferous conifers conks cull damage dead defoliation DESCRIPTION Appearance diameter egg mass entrance points exposed feed Fomes igniarius Fomes pini Fomes Fomes pinicola forest tent caterpillar frost cracks fruiting bodies fungi fungus growing growth hardwoods heartwood host inch long infected trees Infected wood killed Lake large branch stubs larvae logging loss mass per tree mechanical injury mellea Fomes pini Minnesota mottled mycelium Nectria Nectria galligena needles Norway spruce overmature percent plantations planting poor sites produce pulpwood punky Red heart rot reduce roots rot of balsam rotter sapwood sawflies seed trees silvicultural control sound wood spores spraying spruce budworm stages of decay stems Stereum sanguinolentum thin trunk twig Upper Peninsula upper surface vigor Volume lost white grubs White Spruce wounds yellow