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Thursday, July 23, 2020 | History

2 edition of Rhizina Undulata found in the catalog.

Rhizina Undulata

W. G. Thies

Rhizina Undulata

impact evaluation

by W. G. Thies

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Published by U.S. Forest Service in Portland, Ore .
Written in English

    Subjects:
  • Conifers -- Diseases and pests.

  • Edition Notes

    Cover title: Rhizina Undulata Fr.: distribution and damage appraisal, Western Oregon and Washington.

    Statementby Walter G. Thies.
    Classifications
    LC ClassificationsSD397.C7 T4
    The Physical Object
    Pagination26 p.
    Number of Pages26
    ID Numbers
    Open LibraryOL16607878M

    An illustration of an open book. Books. An illustration of two cells of a film strip. Video. An illustration of an audio speaker. Audio. An illustration of a " floppy disk. Software. An illustration of two photographs. Sexuality in Rhizina Undulata Fries Item Preview remove-circle. Rhizina undulata known as the doughnut fungus or the pine firefungus, is a species of fungus in the family fruit bodies of the fungus are dark purple brown with a bright yellow margin, crust-like and attached to the growing surface by numerous root-like yellow rhizoids.R. undulata has a cosmopolitan distribution, occurs on clearings or burned areas throughout central and.

      Rhizina root disease Rhizina undulata Fr.:Fr.—5 (syn. R. inflata (Schaeff.) P. Karst.) Other root rot pathogen Perenniporia subacida (Peck) Donk.—1 (syn. Poria subacida (Peck) Sacc.) Stem Decays Fir hydnum Hericium abietis (Weir ex Hubert) K. A. Harrison—1 (syn. Hydnum abietis Weir ex Hubert) Red ring rot. Sexuality in Rhizina Undulata Fries is an article from Botanical Gazette, Volume View more articles from Botanical this article on.

    Rhizina undulata: Uzpūstā saknene: Syn.: Rhizina inflata English name: Pine Firefungus Deutsche Name: Wellige Wurzellorchel. Askusēne ar sakrunkotu neregulāras formas augļķermeni, kuru ar augsni savieno smalki pavedieni un kura diametrs parasti ir starp 3 un 10 cm. Augļķermeņa iekšējā virsma ir dzeltenbrūna, ārējā. Rhizina undulata, Terana caerulea, Volvariella bombycina, Wynnea americana, 2. Bill Roody calls it ‘uncommon’ or ‘possibly rare’ in his book, ‘Mushrooms of West Virginia and the Central Appalachians’. Amanita umbrinolutea Asterophora parasitica Aureoboletus projectellus Boletus auriflammeus Cantharellus persicinus Cryptoporus volvatus.


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Rhizina Undulata by W. G. Thies Download PDF EPUB FB2

Rhizina undulata Fr., Observationes mycologicae 1: Rhizina Undulata book [MB#] Synonymy: ≡Racodium nigrum Schumach., Enumeratio Plantarum, in Partibus Sællandiae Septentrionalis et Orientalis Crescentium 2: () [MB#] ≡Racodium vulgare Pers., Mycologia Europaea 1:.

Rhizina undulata, commonly known as the doughnut fungus or the pine firefungus, is a species of fungus in the family Rhizinaceae.

The fruit bodies of the fungus are dark purple brown with a bright yellow margin, crust-like and attached to the growing surface by numerous root-like yellow rhizoids. undulata has a cosmopolitan distribution, and commonly occurs on clearings or burned areas.

This Bulletin describes work on solutions for the treatment, or circumvention, of the problem caused by Rhizina undulata Fr., the well-known disease of pine seedlings when. Organism descriptor(s): Rhizina rhizina Subject Category: Organism Names see more details, Rhizina undulata rhizina undulata Subject Category: Organism Names see more details.

Descriptor(s): decay decay Subject Category: Miscellaneous see more details, root and butt rots root and butt rots Subject Category: Diseases, Disorders, and Symptoms. Typical attacks by Rhizina undulata Fr. on young conifers are described. Root systems of freshly cut conifer stumps usually provide the food bases required by R.

undulata for colonization of bonfire sites, but under certain conditions these may be provided by standing conifers. Evidence is given for the existence of a narrow zone beneath fires and at their margins where heating is sufficient.

Rhizina undulata Fr. Common names Wurzellorchel in German oliebolzwam in Dutch 波狀根盤菌 in language. Oliebolzwam in Dutch rotmurkla in Swedish Bibliographic References. Eriksson, Ove E.

() The non-lichenized ascomycetes of Sweden. Department of. Growth rates of Rhizina undulata Fr. on malt agar and in tubes of soil Rhizina Undulata book given. Ascospore germination is stimulated by heating, especially over the range 35–45 ° C, for certain periods.

There is some evidence that exudates from heated pine roots also stimulate germination. Young fruiting bodies of Rhizina undulata, the cause of Rhizina root rot. Older fruiting bodies of Rhizina undulata, the cause of Rhizina root rot, on a site burned early in the preceding year. Feedback on this page.

Date modified: Section menu. Trees, insects and diseases of Canada's forests Trees. Index; Broadleaf. Microscopic: spores x microns, narrowly fusoidal, rough, colorless, with 2 to 4 droplets; asci x microns; paraphyses clavate, microns wide at tip, colorless, with brown encrusted pigment, contents finely granular; setae microns in lower part, widening gradually to microns at tip, sometimes lobed, brown, thick-walled except tip thin-walled.

Rhizina undulata requires a heat stimulus for the onset of pathogenicity. Slash burning after clearfelling has been a commonly accepted silvicultural practice but this often resulted in extensive mortality of newly-planted seedlings due to infection by R.

undulata. Old trees are commonly attacked by various fungal disease and decay species, notably Heterobasidion annosum and Armillaria species, which rot the heartwood and eventually leave the tree liable to windthrow, and Rhizina undulata, which may kill groups of trees following minor grass fires that activate growth of the Rhizina spores.

Morphological, developmental, and cytochemical examinations were made with light and electron microscopy on the apical apparatuses of Morchella esculenta, Helvella crispa, and Rhizina undulata, all species with large, stipitate tips in R.

undulata were markedly thinner walled than the rest of the ascus, while those in M. esculenta and H. crispa were slightly thinner than the. Rhizina is a genus of ascomycete fungi in the order genus was circumscribed by Elias Magnus Fries in his work Observationes mycologicae, with R.

undulata as the type species. atra and R. lignicola were added to the genus in andrespectively, by. Fusarium, a damping off disease, and neopeckia coulteri, a snow mould are dangers for young seedlings.

A root rot, rhizina undulata, is also a problem in seedlings under 5 years. Birds and insects can also kill young seedlings. Rhizina root disease Rhizina undulata Fr.:Fr. Rose fomes rot Fomitopsis cajanderi (P.

Karst.) Kotlaba & Pouzar Rust-red stringy white rot Echinodontium tinctorium (Ellis & Everh.) Ellis & Everh. Sclerophoma dieback Sydowia polyspora (Bref. & Tav.) E. Muller Sclerophoma pythiophila (Corda) Höhn.

[anamorph]. ‘Group dying’ was previously a health issue in Sitka stands in Ireland. Investigations into why groups of Sitka spruce were being killed in Ireland and Great Britain revealed an association of the phenomenon with the fungus Rhizina undulata Fr.: Fr.

This pest infects via the roots, rotting them and eventually causing tree mortality. Auszug: Die Wellige Wurzellorchel (Rhizina undulata, syn.

Rhizina inflata) ist die einzige Art ihrer Gattung. Der Schlauchpilz aus der Familie der Rhizinaceae wachst auf Brandstellen, befallt die Wurzelbereiche von Nadelgeholzen und erzeugt dort eine Holzfaule. OBSERVATIONS ON RHIZINA INFLATA By JAMES R.

WEIR, Forest Pathologist, Investigations in Forest Pathology, Bureau of Plant Industry Considerable doubt exists regarding the parasitism of Rhizina inflate, (Schaff.) Sacc. undulata Jr.). This peculiar fungus (Pi.

VIII, figs. Rhizina undulata is also a plant pathogen that infects a wide range of conifers (Gremmen ). Other plant pathogenic Pezizomycetes include the conifer seed pathogen Caloscypha fulgens (Paden et al. ) and the Strumella canker fungus, Conoplea globosa (= Strumella coryneoidea; mitosporic Urnula) (Kopcke et al.Wang et al.

The ICFR produces several scientific publications which include internal reports (Bulletins and Technical Notes) as well as Peer-reviewed Papers.

Rhizina undulata 69 3. Diseases, disorders and pests of spruce 71 Frost 71 Elatobium abietinum (green spruce aphid) 76 Other causes of injury to young Sidra spruce shoots 77 Top-dying of Norway spruce 78 Nutrient deficiencies The damage had proceeded at a rate of approximately 6 m per annum, and the pathogen in the infected soil was detected by trap logs.

Ascospores of Rhizina undulata rhizina undulata Subject Category: Organism Names see more details were germinated by heat shock at 37°C for 24 hours or at 40°C for 17 hours. The mycelial growth was optimum on PDA.1.

The sexual process has not heretofore been studied in any member of the Rhizinaceae. The examination of Rhizina undulata Fries is therefore of considerable interest. 2. Material for study was collected at Ithaca, New York, and a paper describing the origin of the apothecium in this species has already been published (27).

3. The vegetative mycelium is parasitic on the roots of trees, and.