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Elytroderma Disease Of Ponderosa Pine

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Elytroderma Disease Of Ponderosa Pine

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Author : Thomas White Childs
language : en
Publisher:
Release Date : 1971

Elytroderma Disease Of Ponderosa Pine written by Thomas White Childs and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Elytroderma deformans categories.

Elytroderma Disease Of Ponderosa Pine In The Pacific Northwest

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Author : Thomas White Childs
language : en
Publisher:
Release Date : 1968

Elytroderma Disease Of Ponderosa Pine In The Pacific Northwest written by Thomas White Childs and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Elytroderma deformans categories.

Elytroderma Disease Of Ponderosa Pine In The Pacific Northwest Classic Reprint

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Author : Thomas W. Childs
language : en
Publisher: Forgotten Books
Release Date : 2018-03-30

Elytroderma Disease Of Ponderosa Pine In The Pacific Northwest Classic Reprint written by Thomas W. Childs and has been published by Forgotten Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-03-30 with Science categories.

Excerpt from Elytroderma Disease of Ponderosa Pine in the Pacific Northwest Weir's (19162) observations in 1913-15 were evidently made during the waning stages of an extensive outbreak that had started many years before. Damage from this or possibly a later and less extensive outbreak continued for several years in parts of southern Idaho. In Oregon and Washington during the 1920's and 1930's, large brooms (presumably relics of the outbreak described by Weir) were fairly common in some localities, but no damage was observed even where Weir had recorded the disease as destructive. The current outbreak first attracted attention in 1945 in central Oregon. Dur ing the next few years, the disease was found to be occasional to common in stands of all ages throughout the region. Evidence to be presented later indicates that a heavy wave of infection occurred in the late l93o's or very early l94o's. Some subsequent infection by spores has occurred from time to time. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Elytroderma Disease Reduces Growth And Vigor Increases Mortality Of Jeffrey Pines At Lake Tahoe Basin California

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Author : Robert F. Scharpf
language : en
Publisher:
Release Date : 1981

Elytroderma Disease Reduces Growth And Vigor Increases Mortality Of Jeffrey Pines At Lake Tahoe Basin California written by Robert F. Scharpf and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Elytroderma deformans categories.

A disease of Jeffrey pines (Pinus jeffreyi Grev. and Balf.) at Lake Tahoe Basin, California, caused by Elytrodenna disease (Elytroderma deformans) was studied for 7 years after a severe outbreak of the fungus in 1971. Among 607 Jeffrey pines on six plots, about one-half were heavily infected and about one-half were moderately or lightly infected in 1971. No uninfected trees were observed. During the 7-year study, about one-half of the trees remained unchanged in vigor, disease intensity, or both, and about one-half decreased in vigor, became more heavily infected, or both. Of the original 607 trees studied, nearly one-third died before 1978. Average radial growth of surviving trees was less per year after the outbreak than before, and heavily infected trees were growing more slowly than lightly infected trees. Intensity of the disease, however, was not related to stand basal area.

Volume And Taper Tables For Red Alder

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Author : Robert O. Curtis
language : en
Publisher:
Release Date : 1968

Volume And Taper Tables For Red Alder written by Robert O. Curtis and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Forests and forestry categories.

Usda Forest Service Research Paper Psw

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Author : Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.)
language : en
Publisher:
Release Date : 1978

Usda Forest Service Research Paper Psw written by Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Forests and forestry categories.