Tree Pests and Diseases at WOODWEB's Knowledge Base

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Beavers, Oak Trees, and Lumber

What can a landowner do with beaver-killed Oak trees? February 29, 2012

Eastern Hemlock for Post and Beam Construction

Beetle kill is taking a toll on Eastern Hemlock. Is the wood worth harvesting for timber framing? December 8, 2012

Beetle Troubles

Tips on dealing with lyctid (powderpost) beetles and the less troublesome anobiid beetle. April 27, 2007

Drying cedar slabs -- and stepping up sawmill production

Effective drying and basic sawing with a scragg mill. September 2, 2002

Dutch Elm Disease Survivors

Some varieties of Elm have some resistance to Dutch Elm Disease, but even so, few large Elm trees are to be found. October 15, 2009

Deer Rub Damage to Trees

Tips on controlling deer damage to valuable trees. April 18, 2009

Cutting "shake" out of logs

What is shake, why does it occur, and how can it be removed? April 29, 2003

Cambium miners' effect on standing cherry

A woodlot pest causes gummosis in cherry. June 21, 2000

Controlling Pine Wilt Nematode

Advice on halting the spread of Pine wilt nematode (carried by long horn beetles). January 29, 2009

Cambium miner's effect on lumber grade

Gene Wengert on cambium miners, what they do, and whether the result affects lumber grade. 1998.

American Chestnut Log Identification

The Woodweb detective team tries to determine if one of the group has found a large American Chestnut log in a firewood pile. March 9, 2010

American Chestnut Versus Chinese Chestnut

A discussion of the American Chestnut and the Chinese Chestnut, with regard to wood appearance and blight resistance. May 16, 2008

Ambrosia Maple

Beetles carry the fungus into semi-wet wood to create food for their offspring. December 11, 2007

What Causes Ring Shake?

Speculations and discussion on science relating to ring shake. April 10, 2005

Limbing practices

To prune or not to prune your future sawlogs. (Forestry Forum) March 23, 2003

White Ash, Emerald Borer, Quarantine, and De-Barking

Technical and legal isues relating to log transport, hygeine, and limiting the spread of damaging insect infestations. September 6, 2010

Squirting Tree Phenomenon

Stand back: trees in wet locations, infected with bacteria, may squirt smelly water when cut. Here, experts explain why. August 29, 2006

West Coast Live Oak Uses

This discussion of Live Oak lumber characteristics includes some info about the "Sudden Oak Death" disease that is plaguing the West Coast. July 30, 2007

Value of Dead Standing Oak

Moth-killed Chestnut Oak (also called Rock Oak) need not be felled immediately, and can produce valuable boards and timbers. October 1, 2009

Large American Chestnut

Could these large trees be blight survivors? January 8, 2010

Rabbit Damage to Saplings

Recovery and prevention strategies for rabbit attacks. April 18, 2009

Risk of Spreading the Emerald Ash Borer

Advice on the kind of hygeine that may help prevent the spread of emerald ash borer insects. April 27, 2007

Gypsy Moth Egg Case

Identifying these egg cases in the woods. January 6, 2005

Understanding Ring Shake and Bacterial Action

The Wood Doctor explains the bacterial causes of ring shake. September 5, 2011

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