Dwarf mistletoe

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Dmt is truly parasitic on the tree• Dmt is an “obligate” parasite = when host dies, dmt dies also.• This is its Achilles’ heel we can exploit for management.
Disease impacts on trees• Mortality• 75% of BS trees die within16 years after infection• Volume• Height reduction >50%• Diameter reduction >50%• 40% higher stem decay• Increased stem deformities,esp. spike tops• 0-5 cds/ac produced
Page 2 and 3: Disease of black spruce• Occasion
Page 4 and 5: Trees of any age can be infected
Page 8 and 9: Disease spreadSeeds are sticky.1. P
Page 10 and 11: Tall infected trees can spread Dmts
Page 12 and 13: From 1 broomedtree in a wellstocked
Page 14 and 15: Leaving a clump of tall infected tr
Page 16 and 17: Disease impacts on stands• Change
Page 18: Management of dmtWhat can replace n
Page 21 and 22: Prescription• Harvest by clearcut
Page 23 and 24: • If dmt is in several pockets or
Page 25 and 26: Post harvest inspections are necess
Page 27 and 28: Post-harvest inspections• Repeat

Dwarf mistletoe

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