cankers and abiotic diseases
DESCRIPTION
CANKERS AND ABIOTIC DISEASES. LEARNING OBJECTIVES. New Vocabulary: facultative parasite, predisposition, hypovirulence, abiotic Annual, perennial, diffuse cankers. CANKERS. ATROPELLIS PINIPHILA. “DROUGHT CANKER” - PHOMOPSIS. Pitch Canker- Fusarium circinatum. - PowerPoint PPT PresentationTRANSCRIPT
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CANKERS CANKERS AND AND
ABIOTIC ABIOTIC DISEASESDISEASES
LEARNING OBJECTIVES
New Vocabulary: facultative parasite, predisposition, hypovirulence, abiotic Annual, perennial, diffuse cankers
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CANKERS
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ATROPELLIS PINIPHILA
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“DROUGHT CANKER” - PHOMOPSIS
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Pitch Canker- Fusarium circinatum
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CHESTNUT BLIGHT- CRYPHONECTRIA PARASITICA
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Hypoxylon Canker
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Winter Injury
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Frost Damage
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Extreme Cold
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COMBUSTION HEAT, PRESSURE
FOSSIL FUELS
H-C-C-C-C-H
S, Pb
AIR N2 75-80%
O2 20-25%
CO2 0.03%
Pb
-C-C-C-C-
CO2 + CO + H2O
NO
NO2
+ O2O3
UV
UV
SO2
PAN OCH3-COONO2
H2SO4HNO3
+H2O
+ +
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Air Pollution- Chlorine
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Air Pollution- SO2
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