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Sunday, July 26, 2020 | History

4 edition of Leptographium root diseases on conifers found in the catalog.

Leptographium root diseases on conifers

Leptographium root diseases on conifers

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Published by APS Press in St. Paul, Minn .
Written in English

    Subjects:
  • Leptographium root diseases of conifers -- Congresses.,
  • Leptographium -- Congresses.

  • Edition Notes

    Bibliography: p. 129-149.

    Statementedited by T.C. Harrington and F.W. Cobb, Jr.
    SeriesSymposium series / American Phytopathological Society, Symposium series (American Phytopathological Society)
    ContributionsHarrington, T. C., Cobb, F. W.
    Classifications
    LC ClassificationsSB608.C7 L47 1988
    The Physical Object
    Paginationvi, 149 p. :
    Number of Pages149
    ID Numbers
    Open LibraryOL2414707M
    ISBN 100890540853
    LC Control Number87073445

      Leptographium species associated with root diseases of conifers in British Columbia. In Leptographium root diseases on conifers. Edited by T.C. Harrington and F.W. Cobb, Jr. APS Press, St. Paul, Minn. Google Scholar. Foliage diseases of conifers Black stain (Leptographium wageneri) hosts: lodggp,epole, pp,onderosa, ppy,inyon, Douglas‐fir,,, white fir, western white pine spreads via root to root contact, or by root feeding weevils or bark beetles.

    Black-stain root disease is a threat to conifer forests in western North America. The disease is caused by the ophiostomatoid fungus Leptographium wageneri (W.B. Kendr.) M.J. Wingf., which is associated with a number of bark beetle (Coleoptera: Scolytidae) and weevil species (Coleoptera: Curculionidae).   Conifers is an extremely thorough and well-illustrated book that will be a great asset to landscape architects and horticulturists. -- Landscape Journal This is a scrumptious atlas for all lovers of gymnosperms. -- Taxon, August Book s:

    Heterobasidion Root Disease Introduction: Annosum root rot, recently renamed as Heterobasidion Root disease(HRD), was first identified n Wisconsin in and is considered among the most mportant and destructive diseases affecting conifers n the north temperate regions of . Littleleaf disease of shortleaf and loblolly pines. Circular No. , US Forest Service, Washington D.C. Cobb, F.W. (). Leptographium wageneri, cause of black-stain root disease: a review of its discovery, occurrence and biology with emphasis on pinyon and ponderosa pine. In: Leptographium Root Diseases on Conifers. (Harrington.


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Leptographium root diseases on conifers Download PDF EPUB FB2

Leptographium root diseases on conifers. [T C Harrington; F W Cobb;] Home. WorldCat Home About WorldCat Help. Search. Search for Library Items Search for Lists Search for Book: All Authors / Contributors: T C Harrington; F W Cobb.

Find more information about: ISBN: OCLC Number. : Compendium of Conifer Diseases (Disease Compendium Series.) (): American Root Diseases; Phytophthora Root Diseases: Littleleaf Disease, Port Orford Cedar Root Disease, Rhizina Root Disease, Leptographium Root Diseases of Conifers: Blackstain Root Disease, Other Leptographium Species on Conifer Roots Format: Paperback.

Black Stain Root Disease – Leptographium wageneri (Kendrick) Black Stain Root Disease (BSRD) is caused by a fungus that infects and kills several species of western conifers.

The fungus does not decay infected wood, but instead kills the host tree by blocking water conduction to the foliage. The principal hosts are ponderosa pine, Jeffrey pine, and pinyon pine. 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.

Wingfield MJ, Leptographium root diseases on conifers book P, Mackenzie M () Leptographium spp. as root pathogens on conifers. An international perspective.

In: Harrington TC, Cobb FW Jr (eds) Leptographium root diseases on conifers. APS Press, St Paul, pp – Google ScholarCited by:   Diseases with Insect Vectors Black stain root disease Leptographium wageneri var. pseudotsugae T.

Harr. & F. Cobb—2 Procerum root disease Leptographium procerum W. (Kendr.) M. Wingf.—2 (syn. Verticicladiella procera W. Kendr.) Sirex–Amylostereum rot. Three new Leptographium species associated with conifer roots in the United States Article (PDF Available) in Canadian Journal of Botany 72(2) February with 59 Reads.

Top of page White pine root decline had been documented as a serious disease on pines for a number of years before the causal agent was first described by Kendrick () as Verticicladiella procera. The genus Verticicladiella belonged to a complex of morphologically similar genera known as the Leptographium-complex (Kendrick, ).

Leptographiumspecies affect conifers in the eastern U.S.: L. procerumis associated with a syndrome known as eastern white pine decline and L. terebrantishas been implicated as a contributor to a decline of red pine. Leptographium Root Infections of Pines in Florida1 E.

Barnard and J. Meeker2 Pines (Pinus spp.) in Florida are subject to infection by a variety of root-infecting and root disease fungi (Barnard et al ; Barnard et al ). Some Leptographium species, such as L. wageneri Zipfel et al., which causes the black-stain root disease (Wagener and Mielke ;Harrington and Cobb ), or Grosmannia serpens Goid, which is.

An international perspective. In Leptographium Root Diseases of Conifers (ed. T.C. Harrington & F.W. Cobb, Jr) pp. American Phytopathological Society Press: St Paul, Minnesota. Wingfield, M. & Knox-Davies, P. Root disease, associated with VerticicladieUa alacris, of pines in South Africa.

Plant Dise   Types of Conifer Disease. Softwood or coniferous trees can be harmed or killed by disease-causing organisms called pathogens.

The most common tree diseases are caused by fungi, though some diseases are caused by bacteria or viruses. Fungi lack chlorophyll and derive nourishment by feeding on (parasitizing) trees. Detection and quantification of Leptographium wageneri, the cause of black-stain root disease, from bark beetles (Coleoptera: Scolytidae) in Northern California using regular and real-time PCR - Canadian Journal of Forest Research.

Black-stain root disease is a threat to conifer. Leptographium Root Infections of Pines in Florida 1 E. Barnard and J. Meeker Pines (Pinus spp.) in Florida are subject to infection by a variety of root-infecting and root disease fungi (Barnard et al ; Barnard al ).

Leptographium Root Disease on Conifers (Symposium series / American Phytopathological Society) Harrington, T. Published by Amer Phytopathological Society (). impact of root disease and bark beetle attack results in severe losses of pine resources (2). Most Leptographium species are known for their association with blue-stain of sapwood in conifers.

Leptographium species can function as saprobes, i.e., to cause disease in stressed trees (3). These fungi may also predispose. In a recent survey of diseases and insect pests of conifer trees in Bhutan, the root collar weevil, Hylobitelus chenkupdorjii was found girdling young Himalayan blue pine (Pinus wallichiana) trees in Central Bhutan.

Intensive wood staining and a Leptographium sp. were associated with damage by. Symptomatic pines will have bark beetles and Leptographium fungi present in deteriorating roots.

Infected primary roots will have blue-stain and resin-soaked lesions caused by the Leptographium fungi (L. truncatum, L. procerum, L. terebrantis, L. serpens, and L. huntii).

Control. FUNGAL DISEASES Annosus root disease Heterobasidion annosum (Fr.) Bref. Spiniger meineckellum (A. Olson) Stalpers [anamorph] Armillaria root disease Armillaria ostoyae (Romagnesi) Herink Armillaria spp. Black stain root disease Leptographium wageneri (Kendrick) M.J.

Wingfield var. pseudotsugae T.C. Harrington & F.W. Cobb Bleeding sap rot. Abstract: Black-stain root disease is a threat to conifer forests in western North America. The disease is caused by the ophiostomatoid fungus Leptographium wageneri (W.B. Kendr.) M.J. Wingf., which is associated with a number of bark beetle (Coleoptera: Scolytidae) .Conifers: Pestalotiopsis disease.

This fungal dieback disease seems to have increased in significance on garden conifers in recent years. Weakened plants, or those suffering from physical damage, are particularly susceptible to attack.Leptographium root diseases on conifers.

APS Press, St. Paul: Hausner G, Iranpour M, Kim J-J, Breuil C, Davis CN, Gibb EA, Reid J, Loewen PC, Hopkin AA. Fungi vectored by the introduced bark beetle Tomicus piniperda in Ontario, Canada, and comments on the taxonomy of Leptographium lundbergii, L.

terebrantis, L. truncatum, and L.