Lab Air Pollution

Lab #1 Non-infectious Diseases

Air Pollution Damage

Ozone Damage: Note stippling symptoms on leaves.

Ozone Damage - higher magnification showing the stippling on leaf surface.

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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.

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Fluorine Damage: Note the marginal necrosis (this is similar to salt damage). 

 Closer view of Fluorine damage on edges of maple leaves