Annosus Root Rot Description

Annosus root rot results from a fungus that causes a root and butt rot in southern pines. The fungus often kills infected trees. Trees that survive suffer growth loss and are more susceptible to windthrow and bark beetle attack than uninfected trees. The disease is correlated with soil and site factors such as soil texture, flooding, and depth to high-water table.

Data

The annousus section of the Atlas is based on the State Soil Geographic Data Base published by the Natural Resources Conservation Service. The soil characteristics used to hazard rate areas for annosus are annual flooding, drainage, and texture. Areas are rated as either low, medium, or high hazard for annosus. The section covers all 13 states in the South.

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USDA Forest Service - Forest Health Protection, Southern Region
Last Modified: Friday, 09 May 2008 at 10:44:34 EDT