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The Influence Of Pre Harvest Killing Of Western Hemlock On Subsequent Stump Invasion By Fomes Annosus
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Book Synopsis The Influence of Pre-harvest Killing of Western Hemlock on Subsequent Stump Invasion by Fomes Annosus by : Peter Paul Laird
Download or read book The Influence of Pre-harvest Killing of Western Hemlock on Subsequent Stump Invasion by Fomes Annosus written by Peter Paul Laird and published by . This book was released on 1971 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study concerns the effect of pre-harvest killing of commercial sized, forty year old western hemlock (Tsuga heterophylla (Raf.) Sarg.) on subsequent stump infection by Fomes annosus (Fr.) Karst. Further evaluations were made on tree drying, loosening of bark, wood deterioration and rate of crown and cambial death. Findings on the susceptibility of injection axe cuts to Fomes annosus are included. Two herbicides MSMA and Tordon 101 were applied during four seasons; incubation periods of six, nine and twelve months were allowed to lapse between treatment and felling. Epidemiology of Fomes annosus in commercial thinnings of western hemlock was subject to deliberate prophylactic treatment by pre-harvest killing of trees with MSMA. At the same time the trees dried faster, and bark was more easily removed. Wood deterioration and breakage increased, but at levels tolerable to pulp operations. The degree of stump infection reduction, drying and bark removal was directly related to the amount of cambial kill by the herbicide. Tordon produced variable results, with stump infection sometimes exceeding that of the control. Furthermore, Tordon injection axe cuts were found to be highly susceptible to Fomes annosus infection. The behavior of Fomes annosus is thought to be responsive to cambial condition. The two herbicides produced different cambial responses, hence different responses of the pathogen.
Download or read book The Plant Disease Bulletin written by and published by . This book was released on 1973 with total page 1172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Plant Disease Reporter written by and published by . This book was released on 1973 with total page 586 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research Paper - Forest Research Laboratory, Oregon State University by : Oregon State University. Forest Research Laboratory
Download or read book Research Paper - Forest Research Laboratory, Oregon State University written by Oregon State University. Forest Research Laboratory and published by . This book was released on 1973 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Research Paper written by and published by . This book was released on 1971 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Precommercial Thinning of Coastal and Intermountain Forests in the Pacific Northwest by : David M. Baumgartner
Download or read book Precommercial Thinning of Coastal and Intermountain Forests in the Pacific Northwest written by David M. Baumgartner and published by . This book was released on 1974 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Plant Disease Bulletin written by and published by . This book was released on 1973 with total page 588 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Forestry Theses Accepted by Colleges and Universities in the United States by :
Download or read book Forestry Theses Accepted by Colleges and Universities in the United States written by and published by . This book was released on 1966 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Forest Land Management Program: Final Environmental impact statement by : Washington (State). Department of Natural Resources
Download or read book Forest Land Management Program: Final Environmental impact statement written by Washington (State). Department of Natural Resources and published by . This book was released on 1979 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis American Doctoral Dissertations by :
Download or read book American Doctoral Dissertations written by and published by . This book was released on 1970 with total page 490 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Forestry Theses Accepted by Colleges and Universities in the United States, July 1966-June 1973 by :
Download or read book Forestry Theses Accepted by Colleges and Universities in the United States, July 1966-June 1973 written by and published by . This book was released on 1979 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Comprehensive Dissertation Index by :
Download or read book Comprehensive Dissertation Index written by and published by . This book was released on 1973 with total page 1244 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis O.S.U. Theses and Dissertations, 1970-1977 by : Oregon State University
Download or read book O.S.U. Theses and Dissertations, 1970-1977 written by Oregon State University and published by . This book was released on 1980 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book National Union Catalog written by and published by . This book was released on 1972 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes entries for maps and atlases.
Book Synopsis Comprehensive Dissertation Index, 1861-1972: Author index by : Xerox University Microfilms
Download or read book Comprehensive Dissertation Index, 1861-1972: Author index written by Xerox University Microfilms and published by . This book was released on 1973 with total page 1090 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Abstract Bulletin of the Institute of Paper Chemistry by :
Download or read book Abstract Bulletin of the Institute of Paper Chemistry written by and published by . This book was released on 1971 with total page 974 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Comprehensive Dissertation Index, 1861-1972: Agriculture by : Xerox University Microfilms
Download or read book Comprehensive Dissertation Index, 1861-1972: Agriculture written by Xerox University Microfilms and published by . This book was released on 1973 with total page 1226 pages. Available in PDF, EPUB and Kindle. Book excerpt:
