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	Butt rot - Wikipedia, the free encyclopedia
		Butt rot is a disease of plants, mostly trees, caused by fungi.
		It may affect the roots as well, causing a disease known as root rot.
		One particularly virulent species of fungus associated with butt rot is Serpula himantioides.
	en.wikipedia.org /wiki/Butt_rot (214 words)

	IPM : Reports on Plant Diseases : Wood Rots and Decays
		Rot in the parent tree and its invasion of cut stumps may serve to infect the new stand with root rot fungi.
		The white rot fungi enzymatically digest both cellulose and lignin and reduce the wood to a light-colored, spongy, or stringy mass with white pockets or streaks separated by thin areas of firm wood.
		The rotted column, which is never wider than the diameter of the tree at the time of injury, may extend 10 feet or more above and below the area where the pioneer organisms and decay fungus entered the tree or where its fruiting bodies (conks or mushrooms) appear.
	www.ipm.uiuc.edu /diseases/series600/rpd642 (2511 words)

	Oak Pests - Butt Rots
		-- Butt rot, the decay at the base of living trees, is the result of the invasion by one of a number of decay fungi which enter the trees through wounds.
		Data indicate that butt rot affects 29 percent of the white oaks and 39 percent of the red oaks on loess and alluvial sites in the Midsouth.
		This fungus is found mostly during the fall in butt hollows or where other openings in the tree have developed (figure 52).
	www.digitalarborist.com /pubs/oakpests/p43-45.html (575 words)

	APSnet Feature: Diseases and Disorders of Ornamental Palms (Site not responding. Last check: 2007-10-31)
		The disease is referred to as Ganoderma butt rot in the continental U.S., and thus far is limited to the southeastern region of the country (6).
		Although research on Ganoderma butt rot is still quite limited, the diversity and isolation of disease occurrence locations in the southeastern U.S. supports the theory that basidiospores act as the primary means of spread.
		Confirmation of Ganoderma butt rot cannot be made until the basidiocarp forms on a standing palm, or when an unhealthy tree is cut down and the symptomatic internal trunk rotting is observed.
	www.apsnet.org /online/feature/palm (3391 words)

	wbrot (Site not responding. Last check: 2007-10-31)
		White rot is white in color, with a fibrous texture; the fungus removes lignin and cellulose from its host.
		Brown rot is brown in color and it creates a cubical rot texture; cellulose is removed while lignin remains.
		White mottled rot is a heart rot, which could cause the tree to become more susceptible to Armillaria root disease.
	www.cfr.washington.edu /classes.fm.324/summer2000/wbrot.htm (335 words)

	Root Rot Tree
		Laminated root rot, caused by the fungus Phellinus weirii, is widespread in southern British Columbia British Columbia known as 'bridge tree removal' proposes that the removal of.
		Annosus Root and Butt Rot, caused by Heterobasidion annosum Annosus Root and Butt Rot, caused by Heterobasidion annosum.
		Annosus root rot is a serious disease that affects trees throughout the United States it spreads from tree to tree through root grafts and contact with.
	www.do-it-now-landscaping.com /mulching/root-rot-tree.html (733 words)

	Schweinitzii root and butt disease, Phaeolus schweinitzii (Polyporales: Polyporaceae) @ Forestry Images
		Schweinitzii root and butt rot is the most common brown cubical decay of Douglas-fir.
		Causes a brown root and butt rot in conifers.
		Roots of windthrown trees with schweinitzii root rot commonly are stubbed and have gall-like swellings.
	www.forestryimages.org /browse/subimages.cfm?SUB=524 (501 words)

	Forest Health - Laminated Root Rot, Yellow Ring Rot - WSU - NRS EXT
		Root rot centers may be many acres in size, and spread out at the rate of about 1-2 feet per year.
		Disease cycle: Laminated root rot is considered to be the most damaging root disease in the Pacific Northwest, as it kills the greatest concentrations of trees in the areas where it is present.
		Laminated root rot is itself a predisposing agent for bark beetle attack.
	ext.nrs.wsu.edu /forestryext/foresthealth/notes/laminatedrootrot.htm (1682 words)

	Department of Plant Pathology Plant Disease Facts
		A tree with fungal fruiting structures on several limbs, the trunk, butt, or roots should be removed promptly if it is in a location where property damage may occur or where people or pets could be struck by falling limbs or the falling tree.
		The butt rot caused by this fungus on apple, basswood, beech, birch, cherry, elm, sweetgum, horsechestnut, locust, maple, oak, poplar, spruce, hemlock, sycamore, and willow may take several years to kill the tree but makes the tree very susceptible to windthrow.
		Although the root rot begins well out on the root system, the fungus eventually reaches the butt of the tree where it forms large, tough, irregularly shaped gray to light-brown or dark-brown shelves at or just above the soil line.
	www.ppath.cas.psu.edu /EXTENSION/PLANT_DISEASE/hazardtr.html (1312 words)

	Forest Pathology - Root Diseases
		Root and butt rots have three distinct kinds of economic impact: mortality, cull, and growth loss.
		Cull occurs as butt rot (decay in the heartwood of the living lower stem, the most valuable part of the tree).
		Laminated root rot is a typical root and butt rot.
	www.forestpathology.org /root.html (3045 words)

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		Laminated root rot is caused by the fungus Phellinus weirii.
		There are two basic forms of Phellinus weirii; one that causes a root and butt rot in western redcedar and another that causes a root disease of Douglas-fir.
		Laminated root rot can also be present in western redcedar and manifests itself as laminated butt rot.
	nrs.wsu.edu /forestHealth/pathogen.asp?pathogenID=59 (325 words)

	TreeHelp.com: Trees: Diseases: Ganoderma Butt Rot
		Ganoderma butt rot is a relatively new and lethal disease of Florida palm trees.
		While the wood above the butt area can be safely mulched, use extreme care when disposing of the butt wood in order to avoid spreading the fungus to other palms.
		While there is no sure-fire way of preventing ganoderma butt rot infestation, the danger can be reduced by avoiding injuring the trunks of the palm trees on your property.
	www.treehelp.com /trees/palm/trees-diseases-ganoderma-butt-rot.asp (361 words)

	Root and Butt Rots of Oaks
		Decay may be of the white rot type, characterized by whitish to straw-colored, wet, stringy wood; or of the brown rot type, characterized by brown, dry, crumbly wood often with horizontal and vertical fissures.
		One of the most important indicators of the presence of root rot prior to blow-down is the presence of basidiocarps (reproductive bodies) of the fungi.
		General descriptions of the more common species of fungi associated with root and butt rot of oaks are given in Table 1.
	www.ces.ncsu.edu /depts/pp/notes/Ornamental/odin30/od30.htm (892 words)

	Untitled
		The upper surface is brown to fl and the lower pore surface is yellowish to reddish brown.
		This rot is commonly associated with stem rust cankers in pine.
		This fungus is not considered pathogenic and causes rot of roots and butts of dead trees.
	www.uvm.edu /~shalik/for234/handoutlab7.html (765 words)

	Brown cubical butt & pocket rot of cedar - pest guide
		Damage: Brown cubical rot in living trees is primarily confined to the butt log.
		However, the fruiting bodies of brown cubical rot are bright yellow and shelf-like, often forming large clusters, whereas brown trunk rot conks are hoof shaped or pendulous, and have a distinctly bitter taste.
		Additionally, the brown trunk rot caused decay has thicker mycelial mats and the rot usually extends further up the stem than the brown cubical rot.
	www.for.gov.bc.ca /HFP/publications/00198/brown_cubical_rot.htm (301 words)

	Butt Joints (Heggen, Apr 02)
		In fact, the reason the covering board might need replacing is that it started to rot at a poorly done or poorly sealed butt joint.
		Rot at the joint will be apparent by peeling varnish and discolored wood.
		It should go with out saying that butt blocks and seam battens should be replaced if any hint of rot is detected before screwing everything back together.
	www.acbs-bslol.com /Gadgets/ButtJoints.htm (842 words)

	Annosum Root Rot
		Annosum root rot is an important disease of conifers in temperate zones throughout the world.
		Below-ground symptoms of annosum root rot progress from resin-soaking to white, stringy rot of tree roots.
		Once annosum root rot is established in a stand, borax may not be a suitable treatment.
	www.bugwood.org /factsheets/98-031.html (1040 words)

	Ornamental palms vulnerable to disease
		Ganoderma butt rot and Phytophthora bud rot are just two of the most problematic diseases of palms.
		Ganoderma butt rot, caused by the fungus Ganoderma zonatum, is prevalent in Florida, where it has been found on more than 50 palm species.
		Phytophthora bud rot can be caused by several species of Phytophthora, and occurs in most places where palms are grown.
	www.eurekalert.org /pub_releases/2004-03/aps-opv030304.php (439 words)

	Annosus root rot
		Annosus root and butt rot is caused by the fungus Heterobasidion annosum, a member of the Polyporaceae family that produces a perennial, woody bracket-like conk (the fruiting body) (photo 1).
		It causes root and butt (the butt is the base of the tree) rot on a wide host range of trees throughout the world, especially conifers.
		The wood is completely degraded in the final stages of disease and the butt of the tree is hollow (photo 3).
	ag.arizona.edu /PLP/plpext/diseases/native/pine-ponderosa/annosus.html (573 words)

	Annosus Root and Butt Rot Disease, Heterobasidion annosum - Insects and Diseases of Trees in the South
		Annosus Root and Butt Rot Disease, Heterobasidion annosum - Insects and Diseases of Trees in the South
		Importance - Annosus root and butt rot is a commercially important disease of conifers.
		Identifying the Injury - Damage from annosus root and butt rot may be scattered throughout a stand or in pockets of dead and dying pine trees called "infection centers." Mortality is sometimes preceeded by thinning and yellowing of the crown; however, some trees simply turn red and die.
	www.forestpests.org /southern/annosusbuttrot.html (420 words)

	Marco Island Sun Times - Beautification Advisory Committee - Ordinance recommended for infected vegetation (Site not responding. Last check: 2007-10-31)
		Ganoderma butt rot, a relatively new and lethal disease of Florida palm trees, is caused by a fungus, ganoderma zonatum, which invades the base or butt of palm trees up to a height of three to four feet above the ground.
		While there is no sure-fire way to prevent ganoderma butt rot infestation, the danger can be reduced by avoiding injury to the trunks of the palm trees such as extra care when using lawn mowers and other gardening implements.
		Should you suspect a ganoderma butt rot infestation on your property, consult with a professional.
	www.zwire.com /site/news.cfm?newsid=11921217&BRD=2256&PAG=461&dept_id=455823&rfi=6 (1152 words)

	westdiseases
		A sign of advanced decay in the roots or butt of the tree is wood separated into paper-like sheets at the annual rings and pitted on both sides.
		Heterobasidion annosum, the fungus causing Annosus root and butt rot, is found on a wide range of living and dead conifers.
		Advanced decay wood is a stringy white rot with fl specks, and may laminate at the annual rings with pits on one side of each sheet.
	www.cfr.washington.edu /classes.fm.324/summer1999/westdiseases.html (590 words)

	Butt Rots: Have You Checked Lately?
		The term "butt rot" refers to decay fungi that attack the base ("butt") and roots of trees.
		In fact, butt and root rots may be the most damaging but least understood tree diseases.
		If there are too many wounds to defend, or other stresses sap the tree's energy, the decay fungi triumph and butt and root rots are the results.
	www.ipm.iastate.edu /ipm/hortnews/1998/5-8-1998/buttr.html (740 words)

	Annosus Root and Butt Rot (Site not responding. Last check: 2007-10-31)
		- Annosus root and butt rot is a commercially important disease of conifers.
		- Damage from annosus root and butt rot may be scattered throughout a stand or in pockets of dead and dying pine trees called "infection centers." Mortality is sometimes preceeded by thinning and yellowing of the crown; however, some trees simply turn red and die.
		- Annosus root and butt rot probably enters the stand when fungal spores land on fresh cut stump surfaces.
	www.fs.fed.us /r8/foresthealth/idotis/diseases/annosus.html (306 words)

	The BSPP - Publications - Molecular Plant Pathology - Pathogen Profiles - Stem rust of small grains and grasses caused ...
		Conifer root and butt rot caused by Heterobasidion annosum (Fr.) Bref.
		The root and butt rot caused by Heterobasidon annosum is one of the most destructive diseases of conifers in the northern temperate regions of the world, particularly in Europe.
		Incipient decay is normally pale yellow and it develops into a light brown decay to become a white pocket rot with fl flecks in its advanced stage.
	www.bspp.org.uk /publications/pathprofiles/pathprofile48.htm (455 words)

	Forest Pathology - Armillaria Root Disease
		It causes butt rot in hardwoods and may attack sapwood and cambium in stressed trees.
		The fungus may behave like a saprobe or cause a nonlethal butt rot until the trees are stressed (e.g., gypsy moth defoliation of oaks).
		Internally, the disease may develop as butt rot in some situations and as cambial killing in others.
	www.forestpathology.org /dis_arm.html (2327 words)

	Forest Research - Biological control of conifer root and butt rot
		Forest Research - Biological control of conifer root and butt rot
		Biological control of conifer root and butt rot
		Most conifers planted in the UK during the past 100 years (a period of intensive afforestation) are susceptible to root and butt-rotting attacks by the basidiomycete fungus Heterobasidion annosum (formerly known as Fomes annosus).
	www.forestresearch.gov.uk /rootandbuttrot (281 words)

	Root and Butt Rots of Forest Trees Conference 2007
		Malgorzata Mañka and her committee on organising the 11th Meeting and invite you to attend the 12th International Meeting on Root and Butt Rots of Forest Trees.
		You are all invited to attend the next conference in California and Oregon on the US West Coast to be held during 12-19 August 2007.
		The Root and Butt Rot meeting will be held in Berkeley in the San Francisco bay area, in Mammoth Lakes, amidst splendid mountain scenery and in Medford, Oregon.
	nature.berkeley.edu /IUFRO2007/rootrot (184 words)

	Glasgow University Archive Services - About Us - Publications - Dunaskin News - April 2002 - Pineapple Butt Rot and ...
		Pineapple Butt Rot and Parking Meters: The Users and Aims of the Archives Hub
		‘Pineapple butt rot’; ‘war, radar, carrots’; ‘archivesofelectoralregistersforwillesdenlondon’; ‘invention of parking meters’.
		These are all terms that have been used to search the Archives Hub in recent months.
	www.archives.gla.ac.uk /about/dunaskin/apr2002/buttrot.html (409 words)

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		Hosts - Western redcedar (see discussion of laminated root and butt rot of other species).
		Identification - The rot forms concentric rings of variously rotted heartwood.
		Patches of brown, fuzzy mycelium are often found in the decay; when magnified they resemble tiny spears (called setae).
	nrs.wsu.edu /forestHealth/pathogen.asp?pathogenID=60 (178 words)

	Global Challenge 2004 - Daily Logs (Site not responding. Last check: 2007-10-31)
		Enough of the trivial and onto the serious stuff - Butt Rot, no not the sort caused by Back Country it's the insidious itchy bits caused by the heat and salt.
		We thought, with the weather cooling down the rot was stopped, not to be, we're in the heat again and the rot has set in again.
		Rumour has it that there has been some butt viewing in the mirror (in some cases this is reputed to be pure vanity and nothing to do with Butt Rot), no easy feat I would think.
	www.globalchallenge2004.com /en/dailylog.asp?chco_id=17678 (950 words)

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