Isolation and partial characterization of citrus tatterleaf virus in Texas

Fruit with citrus canker and Leaf with citrus canker

Typical black rot, Alternaria citru on Marrs orange processed by a local Texas packingshed.

Click here to see the related article: December 1995 Newsletter - Blackrot

Foot rot trunk disease

Rio Grande Gummosis

Heart rot trunk disease

Melanose on grapefruit and on grapefruit leaves

Greasy spot on grapefruit leaves

Fruit with citrus canker	Leaf with citrus canker

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Alternaria citru

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Foot rot

At the lower left of the picture, dead bark has sloughed, exposiing the wood, and callus has formed around the margin. Above and to the right gumming shows where infection has recurred. At the upper right the surface of the bark has been removed.

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Rio Grande gummosis

Rio Grande gummosis, showing gumming, a fresh scar at the left, and healed over scars at the right.

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Heart rot

The fungus Ganoderma sessilis Murrill on the trunk of a citrus tree with heart rot

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Melanose on grapefruit	melanose on grapefruit leaves

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Greasy spot

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