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Monday, October 12, 2020 | History

3 edition of Studies on the nature and etiology of seminature-tissue needle blight of eastern white pine found in the catalog.

Studies on the nature and etiology of seminature-tissue needle blight of eastern white pine

Samuel Nathan Linzon

Studies on the nature and etiology of seminature-tissue needle blight of eastern white pine

by Samuel Nathan Linzon

  • 8 Want to read
  • 30 Currently reading

Published by University of Toronto in Toronto .
Written in English

    Subjects:
  • White pine -- Diseases and pests

  • Edition Notes

    Statementby S.N. Linzon.
    ContributionsToronto, Ont. University.
    Classifications
    LC ClassificationsSB608W64 L5
    The Physical Object
    Paginationii, 192 leaves :
    Number of Pages192
    ID Numbers
    Open LibraryOL19814604M

    Needle diameter (– mm), needle tip (blunt, diamond, conical, and beveled) and bevel angle (10–85°) are turned out to have a great influence on insertion force, so do the insertion velocity (–10 mm/s), drive mode (robot-assisted and hand-held), and the Cited by: Attacks hardwoods - Anthracnose diseases of hardwood trees are widespread throughout the Eastern United States. The most common symptom of this group of diseases is dead areas or blotches on the leaves. The diseases are particularly severe on American sycamore, the white .

      Comparison of Two Fine Needle Biopsy Needles for Solid Pancreatic Masses (Expect) The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Needle Deflection in Tissue Master's Thesis By Tonke de Jong in partial fulfilment of the requirements for the degree of Master of Science Therefore, it is important to study the relations between needle and tissue. Ongoing research continues e.g. to develop steerable needles or to describe theoretical Cited by: 1.

    Eastern White Pine Needle-blight injury on Eastern white pine has been reported for decades; however, it was not determined until the s that the injury was caused by ozone (Berry and Hepting, ~. The conditions of Eastern white pine in areas of the southeastern United States mimic those of western conifers in the San Bernardino Mountains. Fall needle color in white pine is often submitted as a plant problem because it is unusual for pine needles to turn yellow and drop in the fall and it is also unusual for a plant to shed only half its leaves in the fall. But that is normal for a white pine (Pinus strobus).


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Studies on the nature and etiology of seminature-tissue needle blight of eastern white pine by Samuel Nathan Linzon Download PDF EPUB FB2

The results of etiological studies on semimature-tissue needle blight (SNB) of eastern white pine (Pinus strobus L.) deny any role to needle fungi as the primary cause.

No mycelium was found in newly blighted semimature tissue by either cultural or histological by: 3. histological studies of symptoms in semimature-tissue needle blight of eastern white pine.

linzonCited by: survival, reproduction and dispersal of foliar diseases of eastern white pine, collectively called White Pine Needle Damage (WPND).

Foliar diseases cause defoliation of white pine, leading to. Eastern white pine is a crucial ecological and economic component of forests in the northern USA and eastern Canada, and is now facing an emerging problem in white pine needle damage (WPND).

The first is on Dothistroma needle blight in British Columbia, Canada where it is a native pathogen that causes growth reduction of pine. Dendrochronology is used to reconstruct past outbreaks of the pathogen, to identify weather variables that enhance disease development and spread, and to link changes in outbreak dynamics with climate : Kathy J.

Lewis, Cedar Welsh, Carmen M. Wong, James H. Speer. Dothistroma septosporum is a haploid fungal pathogen that causes a serious needle blight disease of pines, particularly as an invasive alien species on Pinus radiata in the Southern Hemisphere.

Red band needle blight caused by Dothistroma septosporum and D. pini, and brown spot needle blight caused by Lecanosticta acicola provoke severe and premature defoliation in Pinus, and subsequent reduction of photosynthetic surfaces, vitality, and growth in young and adult trees.

The recurrent damage results in branch and tree death. Until recently, pine needle blight diseases have had only Cited by:   The evidence supporting a magnetic compass embedded in birds' visual systems 4,5 remains unaffected, but we are left with only two studies Cited by: Dothistroma needle blight (DNB), caused by the two fungi Dothistroma septosporum and D.

pini, is a major disease of pines with a worldwide distribution. A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Until recently, pine needle blight diseases have had only minor impacts on native and exotic forest trees in the North of Spain, but in the past five years, these pathogen species have spread widely and caused severe defoliation and mortality in exotic and native plantations of Pinus in locations where they were not detected before.

In an. Immunogenetics of Tissue Transplantation By A. Lengerová. (North-Holland Research Monographs Frontiers of Biology, Volume ) Pp. xv + (North-Holland. He recognized the similarities between the chlorotic dwarf and needle blight diseases of eastern white pine.

The grafting experiments of Dochinger and Seliskar () demonstrated that the chlorotic dwarf disease was a genetically controlled trait. The foliar symptoms of sulfur dioxide injury on white pine trees sometimes resembles those caused by a physiogenic disease, semimature-tissue needle blight (abbreviated to SNB).

Studies on the nature and etiology of SNB were conducted in white pine forests in the Upper Ottawa Valley, which are more» remote from smelter operations which might pollute the atmosphere. Start studying ChapWound Healing,Suture, Needles and Stapling Devices.

Learn vocabulary, terms, and more with flashcards, games, and other study tools. Carlson CE, Gilligan CJ () Histological differentiation among abiotic causes of conifer needle necrosis. USD A For Serv Res Pap INT, 17 pp Google Scholar Costonis AC, Sinclair WA () Relationship of atmospheric ozone to needle blight of eastern white by: Start studying Chapter 4: Tissues Study Guide.

Learn vocabulary, terms, and more with flashcards, games, and other study tools. the process of removing tissue samples from patients surgically or with a needle for various diagnostic purposes. a new type of tissue develops that eventually causes scar production and the loss of some tissue.

Experimental study of needle-tissue interaction forces: effect of needle geometries, insertion methods and tissue characteristics. Shan Jiang Centre for Advanced Mechanisms and Robotics, School of Mechanical Engineering, Tianjin University, Tianjin, China, Pan Li.

Fundamentally, designed immune tissues could serve as in vitro tools to more accurately study human immune function and disease, while immune tissues engineered for Cited by: Needles with asymmetric bevel tips naturally bend when they are inserted into soft tissue.

In this study, we present an analytical model for the loads developed at the bevel tip during needle-tissue interaction.

The model calculates the loads based on the geometry of the bevel edge and gel material by:. Background and study aims Recently, a new Franseen design endoscopic ultrasound-guided fine-needle biopsy (EUS-FNB) needle was developed with the goal of providing more tissue for histology.

We compared the tissue adequacy rate and nucleic acid yield of 22G EUS-FNB vs. 22G endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA), in solid gastrointestinal and extra Author: Ravishankar Asokkumar, Chin Yung Ka, Tracy Loh, Lim Kah Ling, Tan Gek San, Hao Ying, Damien Tan, Chr.Linzon SN () Damage to eastern white pine by sulfur dioxide, semimature-tissue needle blight, and ozone.

J Air Pollut Control Assoc – Google ScholarCited by: 7.Connective Tissue Diseases - Holistic Therapy Options is an education on 'Nature's Pharmacy'.

It promises no miracle cures; instead, it lists natural substances that soothe pain, improve circulation, repair and restore connective tissue to normal function, reverse illness to a more manageable level and give the chronically ill patient quality /5(14).