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Title: Canker Rots in Southern Hardwoods
Author: McCracken, F.I.;
Source: Forest Insect & Disease Leaflet 33. [Broomall, PA:] U.S. Dept. of Agriculture, Forest Service, Northern Area State & Private Forestry
Publication Series: Forest Insect and Disease Leaflet (FIDL)
Description: Canker-rot fungi cause serious degrade and cull in southern hardwoods, especially the red oaks. Heartwood decay is the most serious form of damage, but the fungi also kill the cambium and decay the sapwood for as much as 3 feet (.91 m) above and below the entrance point into the tree. The ability of these fungi to kill the cambium and cause cankers distinguishes them from fungi that are restricted to the heartwood. Two fungus species in the family Polyporaceae and one in the Hydnaceae are primarily responsible for canker-rots. The diseases are commonly called hispidus canker, spiculosa canker, or Irpex canker, depending on the causal fungus. They occur throughout the South.
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McCracken, F.I. 1978. Canker Rots in Southern Hardwoods. Forest Insect & Disease Leaflet 33. [Broomall, PA:] U.S. Dept. of Agriculture, Forest Service, Northern Area State & Private Forestry
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