Lab Air Pollution
Lab #1 Non-infectious Diseases
Air Pollution Damage
Ozone Damage: Note stippling symptoms on leaves.
Ozone Damgae - higher magnification showing the stippling on leaf surface.
SO2 Damage: SO2 causes an interveinal necrosis. Note the green veins in these samples.
SO2 Damage - another view for the oak leaves affected
SO2 Damage: Higher magnification showing SO2 damage and interveinal necrosis.
Fluorine Damage: Note the marginal necrosis (this is similar to salt damage).
Closer view of Fluorine damage on edges of maple leaves