Air Pollution Injury

Ozone/Sulfur Dioxide

image of air pollution damageimage of Air Pollution Injury damage

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Ozone injury appears first on older leaves. Affected leaves appear silvery to whitish. Bleaching will eventually kill the leaves in most severe cases. Watermelon appears to be fairly sensitive to ozone.

There are no known cultural controls for ozone injury. Grow crops away from heavily polluted areas.

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Publication Revised July 2009

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