wood decay learning objectives learning objectives chemistry of decay white rot and brown rot wood...

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WOOD DECAY WOOD DECAY Learning Objectives Learning Objectives Chemistry of Decay White rot and Brown rot Wood Decay and Forest Ecology True heart rot and wound decay Conditions for decay and defense mechanisms Some important Decay Diseases: Yellow brown top rot ; Brown crumbly rot Red ring rot; Red stringy rot; Red-brown butt rot

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Page 1: WOOD DECAY Learning Objectives Learning Objectives Chemistry of Decay White rot and Brown rot Wood Decay and Forest Ecology True heart rot and wound decay

WOOD DECAYWOOD DECAY Learning ObjectivesLearning Objectives

Chemistry of Decay White rot and Brown rot

Wood Decay and Forest Ecology True heart rot and wound decay Conditions for decay and defense mechanisms Some important Decay Diseases:

Yellow brown top rot ; Brown crumbly rot Red ring rot; Red stringy rot; Red-brown butt rot

Page 2: WOOD DECAY Learning Objectives Learning Objectives Chemistry of Decay White rot and Brown rot Wood Decay and Forest Ecology True heart rot and wound decay

WOOD DECAYWOOD DECAY

IMPACTSIMPACTS SUCCESSION AND NUTRIENT CYCLING SUCCESSION AND NUTRIENT CYCLING WILDLIFE WILDLIFE VOLUME LOSS AND DEGRADEVOLUME LOSS AND DEGRADE PRODUCTSPRODUCTS HAZARDHAZARD

Page 3: WOOD DECAY Learning Objectives Learning Objectives Chemistry of Decay White rot and Brown rot Wood Decay and Forest Ecology True heart rot and wound decay

Page 4: WOOD DECAY Learning Objectives Learning Objectives Chemistry of Decay White rot and Brown rot Wood Decay and Forest Ecology True heart rot and wound decay

Page 5: WOOD DECAY Learning Objectives Learning Objectives Chemistry of Decay White rot and Brown rot Wood Decay and Forest Ecology True heart rot and wound decay

Page 6: WOOD DECAY Learning Objectives Learning Objectives Chemistry of Decay White rot and Brown rot Wood Decay and Forest Ecology True heart rot and wound decay

Page 7: WOOD DECAY Learning Objectives Learning Objectives Chemistry of Decay White rot and Brown rot Wood Decay and Forest Ecology True heart rot and wound decay

Phaeolus schweinitzii

Red-brown

butt rot

Page 8: WOOD DECAY Learning Objectives Learning Objectives Chemistry of Decay White rot and Brown rot Wood Decay and Forest Ecology True heart rot and wound decay

FOMITOPSIS PINICOLA

RED BELT CONK

“BROWN CRUMBLY ROT”

Page 9: WOOD DECAY Learning Objectives Learning Objectives Chemistry of Decay White rot and Brown rot Wood Decay and Forest Ecology True heart rot and wound decay

Page 10: WOOD DECAY Learning Objectives Learning Objectives Chemistry of Decay White rot and Brown rot Wood Decay and Forest Ecology True heart rot and wound decay

DECAY ECOLOGY

SAPROPHYTIC DECAY

Page 11: WOOD DECAY Learning Objectives Learning Objectives Chemistry of Decay White rot and Brown rot Wood Decay and Forest Ecology True heart rot and wound decay

Deterioration of Killed Deterioration of Killed Trees (% volume loss)Trees (% volume loss)

Windthrown Old Growth on the Olympic PeninsulaWindthrown Old Growth on the Olympic Peninsula

5 years 5 years 8 years 8 years 15 years 15 years

__________________________________________________________Douglas-firDouglas-fir 18% 18% 23% 23% 31 % 31 %

Sitka SpruceSitka Spruce 31% 31% 44% 44% 82% 82%

Western HemlockWestern Hemlock 55% 55% 87% 87% 100% 100%

Western redcedarWestern redcedar 8% 8% (8%) (8%) (8%) (8%)

Page 12: WOOD DECAY Learning Objectives Learning Objectives Chemistry of Decay White rot and Brown rot Wood Decay and Forest Ecology True heart rot and wound decay

Deterioration of Killed Deterioration of Killed Trees (% volume loss)Trees (% volume loss)

Beetle-killed Westside Douglas-firBeetle-killed Westside Douglas-firYEARSYEARS 1 1 33 55 7 7 9 9 11 11

LOSSLOSS 1%1% 9%9% 24% 38% 56% 70%24% 38% 56% 70%

Page 13: WOOD DECAY Learning Objectives Learning Objectives Chemistry of Decay White rot and Brown rot Wood Decay and Forest Ecology True heart rot and wound decay

WOUND DECAY

Page 14: WOOD DECAY Learning Objectives Learning Objectives Chemistry of Decay White rot and Brown rot Wood Decay and Forest Ecology True heart rot and wound decay

Page 15: WOOD DECAY Learning Objectives Learning Objectives Chemistry of Decay White rot and Brown rot Wood Decay and Forest Ecology True heart rot and wound decay

TOP ROT FOMITOPSIS CAJANDERI

“BROWN TOP ROT”

Page 16: WOOD DECAY Learning Objectives Learning Objectives Chemistry of Decay White rot and Brown rot Wood Decay and Forest Ecology True heart rot and wound decay

Page 17: WOOD DECAY Learning Objectives Learning Objectives Chemistry of Decay White rot and Brown rot Wood Decay and Forest Ecology True heart rot and wound decay

Page 18: WOOD DECAY Learning Objectives Learning Objectives Chemistry of Decay White rot and Brown rot Wood Decay and Forest Ecology True heart rot and wound decay

PHELLINUS PINI WHITE SPECK

TRUE HEART ROTS

“RED RING ROT”

Page 19: WOOD DECAY Learning Objectives Learning Objectives Chemistry of Decay White rot and Brown rot Wood Decay and Forest Ecology True heart rot and wound decay

INDIAN PAINT FUNGUS ECHINODONTIUM TINCTORUM

TRUE HEART ROT WHITE ROT

“RUST RED STRINGY ROT”

Page 20: WOOD DECAY Learning Objectives Learning Objectives Chemistry of Decay White rot and Brown rot Wood Decay and Forest Ecology True heart rot and wound decay

CHEMISTRY OF DECAYCHEMISTRY OF DECAY

BROWN ROT WHITE ROT

Page 21: WOOD DECAY Learning Objectives Learning Objectives Chemistry of Decay White rot and Brown rot Wood Decay and Forest Ecology True heart rot and wound decay

Webster and Weber, Cambridge Univ. Press

Page 22: WOOD DECAY Learning Objectives Learning Objectives Chemistry of Decay White rot and Brown rot Wood Decay and Forest Ecology True heart rot and wound decay

Page 23: WOOD DECAY Learning Objectives Learning Objectives Chemistry of Decay White rot and Brown rot Wood Decay and Forest Ecology True heart rot and wound decay

Page 24: WOOD DECAY Learning Objectives Learning Objectives Chemistry of Decay White rot and Brown rot Wood Decay and Forest Ecology True heart rot and wound decay

DEFENSE

Page 25: WOOD DECAY Learning Objectives Learning Objectives Chemistry of Decay White rot and Brown rot Wood Decay and Forest Ecology True heart rot and wound decay

DEFENSE AGAINST DISEASEDEFENSE AGAINST DISEASE

PASSIVE, PREFORMED, PASSIVE, PREFORMED, CONSTITUATIVECONSTITUATIVE OUTER PHYSICAL/CHEMICAL BARRIEROUTER PHYSICAL/CHEMICAL BARRIER

BARK/CUTICLEBARK/CUTICLE

HH22O, OO, O22, N LIMITS, N LIMITS HEARTWOOD CHEMISTRYHEARTWOOD CHEMISTRY

EXTRACTIVESEXTRACTIVES

Page 26: WOOD DECAY Learning Objectives Learning Objectives Chemistry of Decay White rot and Brown rot Wood Decay and Forest Ecology True heart rot and wound decay

DEFENSE AGAINST DISEASEDEFENSE AGAINST DISEASE

ACTIVE, RESPONSIVE, INDUCEDACTIVE, RESPONSIVE, INDUCED WALL THICKENINGWALL THICKENING PHENOLIC CHEMISTRYPHENOLIC CHEMISTRY WOUND PERIDERMWOUND PERIDERM PROGRAMMED CELL DEATHPROGRAMMED CELL DEATH

Page 27: WOOD DECAY Learning Objectives Learning Objectives Chemistry of Decay White rot and Brown rot Wood Decay and Forest Ecology True heart rot and wound decay

DEFENSE

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