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Wednesday, November 25, 2020 | History

2 edition of Laminated root rot found in the catalog.

Laminated root rot

James S. Hadfield

Laminated root rot

a guide for reducing and preventing losses in Oregon and Washington forests.

by James S. Hadfield

  • 251 Want to read
  • 33 Currently reading

Published by U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region in [Portland, Or.] .
Written in English

    Subjects:
  • Root rots.,
  • Trees -- Diseases and pests -- Washington (State),
  • Trees -- Diseases and pests -- Oregon.

  • Edition Notes

    ContributionsUnited States. Forest Service. Pacific Northwest Region.
    The Physical Object
    Pagination13 p. :
    Number of Pages13
    ID Numbers
    Open LibraryOL17669898M


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Laminated root rot by James S. Hadfield Download PDF EPUB FB2

Laminated Root Rot Laminated root rot, caused by the fungus Phellinus (Poria) weirii is responsible for an annual estimated volume loss of 32 million cubic feet in the West Side Douglas-fir type.

Surveys indicate approximately 5% of the area of highly susceptible host types in Oregon and Washington is out of production because of this Size: 69KB.

Diseased trees often fall over because most roots have decayed. Pathogen mycelium often covers infected roots. Decayed roots separate at the annual rings like pages in a book; hence the common name laminated root rot.

Microscopic brown fungal Laminated root rot book called setal hyphae, which are diagnostic for this fungus, often cover the laminated rot. Laminated Root Rot Coniferiporia sulphurascens Key Wildlife Value: Laminated root rot creates short-term snags of any size and all sizes of down wood, by killing or decaying the root system and butts of host trees.

It can create trees with hollow butts, which may continue to provide habitat when they fall. Laminated Root Rot. Phellinus weirii (Murrill) R. Gilbertson (= Poria weirii (Murill) Murill) (=Inonotus weirii (Murrill) Kotl.& Pouzar.

Basidiomycotina, Aphyllophorales, Polyporaceae. Hosts: Two forms of disease caused by Phellinus weirii are recognized, the Douglas-fir and cedar forms, based on cultural characteristics, symptomology, and host preference.

root disease is a worldwide problem and occurs on hardwoods and softwoods alike, although different species occur in different regions Laminated root rot book on different hosts.

Hetero-basidion root and butt rot likewise occurs worldwide, mainly on members of the pine fam-ily (Pinaceae) but also on some hardwoods. Laminated root rot caused by P.

sulphurascensCited by: 4. Laminated root rot poses a major threat to its most important host, second-growth Douglas-fir. The disease causes root decay, which can cause significant growth reduction, and makes trees susceptible to blow down and stem breakage (the latter is rare Laminated root rot book coastal trees).

Other information. COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus.

Laminated root rot is a typical root and butt rot. It leads to expanding centers of mortality. Small trees die standing, and bigger ones fall over. It is restricted in distribution to the Pacific Northwest and Inland Empire area, but it occurs on a variety of important conifers there and causes very significant losses (60 million cu.

ft./yr. Laminated root rot: A guide for reducing and preventing losses in Oregon and Washington forests Unknown Binding – January 1, by James S Hadfield (Author) See all formats and editions Hide other formats and editions.

The Amazon Book Review Author interviews, book Author: James S Hadfield. Laminated root rot. Laminated root rot is the most damaging root disease in Oregon from the stand-point of wood fiber produc-tion.

Found in western and eastern Oregon, the disease is caused by the fungus Phellinus weirii. It affects all conifer species to some degree but is most damaging to Douglas-fir, grand and white fir, and mountainFile Size: 1MB. Laminated root rot causes trees to fall, which endangers roads, homes, campgrounds and people.

The presence of the disease has led to tree removals and use changes recently at Lake Wenatchee, Millersylvania, Kopachuck and Lake Easton state parks.

Resources are listed alphabetically by topic, including websites, publications, and videos, on over 40 different topics. Tip: use your browser’s “find” or “search” function to search for a keyword of interest.

Three Key Resources: Washington State Consulting Forester and Silvicultural contractor Directory. Phellinus weirii is a plant pathogen causing laminated root rot in certain conifers, typically Douglas-fir and western redcedar. It is widespread in the Douglas-fir growing regions of British Columbia, Washington and Oregon.

Overview. Symptoms of fungal infection are readily recognized when timber is cut because a brown stain will appear on the butt : Hymenochaetaceae.

Laminated root rot should be considered a “disease of the site”. That is, established mycelia of this fungus are essentially permanent, so the best course is to minimize losses by managing tree species that can be.

expected to have better survival on infested sites. Laminated root rot is estimated to infest at leastacres inFile Size: KB. Laminated root rot of Douglas-fir in western Oregon and Washington / Related Titles. Series: USDA Forest Service research paper PNW ; By.

Childs, T. (Thomas White), Type. Book Material. Published material. Publication info. Portland, Or. Laminated root rot is the most destructive root decay of Douglas firs in the N.W.

Trees that have blown over and have roots that are decayed and stubbed off. On standing trees foliage in the crown will thin and turn yellow or chlorotic. An abnormally heavy crop of cones may be produced. Crown symptoms are usually not seen until at least half of. Bioresponse of nontarget organisms resulting from the use of chloropicrin to control laminated root rot in a northwest Conifer forest.

Ingham, E.R., W.G. Thies, D.L. Luoma, A.R. Moldenke and M.A. Castellano. Bioresponse of nontarget organisms resulting from the use of chloropicrin to control laminated root rot in a northwest Conifer forest. Douglas Fir tree on my property that a forester tells me has laminated root rot.

It is the tree with the dead top. Root Decays; Annosum Root Rot, Armillaria Root Disease, Laminated Root Rot, Red Brown Butt Rot, Tomentosus Root Rot, Brown Root Rot, Other Root Rot Fungi; Stem and Branch Diseases; Bluestain and Bark Beetles, Pine Wilt Nematode.

Decayed roots separate at the annual rings like pages in a book; Laminated root rot is one of the most damaging root disease amongst conifers in northwestern America and true firs, Douglas-fir, Mountain hemlock, and Western hemlock are highly susceptible to infection with P.

Publication from the USDA Forest Service Southern Research Station. Root rot-causing Phytophthora species can survive in the soil for years, as long as moist conditions persist.

It can spread through splashing rain, irrigation water, and runoff water. Disease fungi can spread through contaminated soil and garden equipment as well. Rot is more likely to spread in early spring and late fall during cool, rainy. Laminated root rot in Western North America [microform] / Walter G.

Thies, Rona N. Sturrock ; published in cooperation with Natural Resources Canada, Canadian Forest Service, Pacific Forestry Centre. Format Microfiche Online Resource Book Published [Portland, Or.].

Laminated root rot, caused by Phellinus weirii (Murr.) Gib., is a serious root disease affecting Douglas-fir and other commercially important species of conifers in northwestern North America. Root rot is a condition that, if left untreated, will kill plants.

Because the first symptoms of root rot occur beneath the soil, gardeners are often not aware of the problem until it is advanced.

When plants start showing symptoms of root rot, such as yellow leaves or stunted growth 1, take action immediately to resolve the problem. Douglas Fir Laminated Root Rot. Asked MaPM EDT. Hi, I currently oversee the care of a 4 acre residential property on the east side of the Olympic Pennusula (Poulsbo WA).

Approximately acres is forested with primarily Douglas Fir, Western Red Cedar, Cherry, Alder, Maple and a few Madrona. The firs have been dying at an. Laminated and tomentosus root rots. Phellinus sulphurascens is the causal agent of laminated root rot, which attacks a number of conifer species, with Douglas-fir (Pseudotsuga menziesii) as its most economically important host.

This chapter provides information on their distribution, detection, infection biology, epidemiology, and management. Laminated root rot of Douglas-fir in western Oregon and Washington by Childs, T. (Thomas White), Publication date This book is available with additional data at Biodiversity Heritage Library.

See also WorldCat (this item) plus-circle Add Review. comment. PDF | On Jan 1,R.J. Cook and others published Opportunities for Addressing Laminated Root Rot Caused by Phellinus Sulphurascens in Washington’s Forests | Find, read and cite all the. Wood Decay Fungi: the Good, the Bad, and the Ugly Dr.

Jessie ADr. Jessie A. GlaeserGlaeser Center of Forest Mycology o Heart rot o Sap rot o Root rot White laminated rot White laminated rot - - wood separates into wood separates into sheaths. root rot is also a threat to apple, walnut and kiwi production [56]. Laminated root rot is the most damaging disease of young- growth Douglas-fir and other conifers in the Pacific NorthwestFile Size: KB.

Recently, the Douglas-fir form, that causes laminated root rot in Douglas-fir (Pseudotsuga menziesii) and other conifers in North America, has been recognized as Phellinus sulphurascens Pilát, a fungus described originally from Siberia.

Since then, the cedar form, that causes butt rot in western redcedar (Thuja plicata) in North America, is. The effect of laminated (Phellinus) root rot in coastal second growth Douglas-fir ecosystems of southeastern Vancouver Island was investigated in ecosystems centered around growth and yield permanent sample plots (PSP's).

The impact of Phellinus root rot on stand productivity was estimated from PSP records and a percent basal area reduction (%BAR) parameter estimate.

Laminated, separating at annual rings, pitted with pinhead-sized holes Cream-colored mycelium on outer bark of roots and root collar under duff. Cinnamon-colored mycelium often in bark cracks with cream cycelium. Phaeolus schweinitzii: 1. DF 2. Other conifers No Brown cubical rot of root and butt heartwood.

Most old-growth cedar has some degree of butt rot, much of which is caused by P. weirii weaken the tree and lead to stem breakage low on the bole. Canadian Forest Service Publications. Laminated root rot cedar form. Information on host(s) Main host(s) Western redcedar.

Secondary host(s) Yellow-cedar. Using Hydrogen Peroxide to Treat and Prevent Root Rot What are the benefits of Hydrogen Peroxide and how do i apply it.

Hydrogen Peroxide (H2O2) it is made up of Hydrogen (H2) and Oxygen (O2), however H2O2 has an extra Oxygen atom in an unstable arrangement - it is this extra negatively charged Oxygen atom that gives H2O2 its useful properties.

The decay caused by laminated root rot is a delamination process of the wood, resulting in sheets of wood that can be pulled apart.

The heart of the tree may be decayed and this will not be good for the tree’s commercial value, lifespan, or anyone or anything nearby in a big windstorm. Miscellaneous: Yellow laminated root rot of Douglas Fir. A literature review. pp pp. : K. Shea. Laminated Root Rot in a Western Washington Plantation: A 4-year-old Douglas-fir plantation in the western Washington Cascades was monitored for 8 years after fertilization with potassium (K), nitrogen (N), and K+N to determine fertilizer effects on rates of mortality from laminated root rot (LRR) and other causes relative Pages: The Gig Harbor Arts Commission is sponsoring the artistic carving and/or embellishment of select tree snags throughout the city.

A “snag” is the term for a dead tree or a tree that has been cut down to a safe height and left to decay naturally. Most of the trees selected for this project will have been affected by laminated root rot, making the condition of the tree and the longevity of /5(20).

Education Center - Introductory - Topics in Plant Pathology - Plant Disease Diagnosis Melissa B. Riley1, Margaret R. Williamson1, and Otis Maloy21Department of Plant Pathology and Physiology, Clemson University, Clemson, SC2Department of Plant Pathology, Washington State University, Pullman, WA Riley, M.B., M.R.

Williamson, and O. Maloy. Plant disease diagnosis. The Plant Healt. Plant Disease Plant Disease A Novel Phellinidium sp. Causes Laminated Root Rot on Qilian Juniper (Sabina przewalskii) in Northwest China Bao-Kai Cui, Yu-Cheng Dai, and Shuang-Hui He, Institute of Microbiology, Beijing Forestry University, P.O.

BeijingChina; and Li-Wei Zhou and Hai-Sheng Yuan, State Key Laboratory of Forest and Soil Ecology, Institute of.The Root of the Rot returns to the air with fill-in guest, His Excellency Bishop Donald Sanborn. This episode focuses on three aspects of the period: the secularization of .Root rot is primarily caused by poor drainage of damp soil, overwatering or a poorly functioning root system.

Prolonged exposure to excess water causes waterlogging, which interferes with aeration of the roots, leading to low oxygenation and decay. Planting in a .