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CANKERS CANKERS AND AND ABIOTIC ABIOTIC DISEASES DISEASES LEARNING OBJECTIVES New Vocabulary: facultative parasite, predisposition, hypovirulence, abiotic Annual, perennial, diffuse cankers
CANKERS CANKERS AND AND
ABIOTIC ABIOTIC DISEASESDISEASES
LEARNING OBJECTIVES
New Vocabulary: facultative parasite, predisposition, hypovirulence, abiotic Annual, perennial, diffuse cankers
CANKERS
ATROPELLIS PINIPHILA
“DROUGHT CANKER” - PHOMOPSIS
Pitch Canker- Fusarium circinatum
CHESTNUT BLIGHT- CRYPHONECTRIA PARASITICA
Hypoxylon Canker
Winter Injury
Frost Damage
Extreme Cold
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
+ +
Air Pollution- Chlorine
Air Pollution- SO2
