Download the fantastic book titled Elytroderma Disease Reduces Growth and Vigor Increases Mortality of Jeffrey Pines at Lake Tahoe Basin California written by Robert F. Scharpf, available in its entirety in both PDF and EPUB formats for online reading. This page includes a concise summary, a preview of the book cover, and detailed information about "Elytroderma Disease Reduces Growth and Vigor Increases Mortality of Jeffrey Pines at Lake Tahoe Basin California", which was released on 03 June 1981. We suggest perusing the summary before initiating your download. This book is a top selection for enthusiasts of the Elytroderma deformans genre.
Summary of Elytroderma Disease Reduces Growth and Vigor Increases Mortality of Jeffrey Pines at Lake Tahoe Basin California by Robert F. Scharpf PDF
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.
Detail About Elytroderma Disease Reduces Growth and Vigor Increases Mortality of Jeffrey Pines at Lake Tahoe Basin California PDF
- Author : Robert F. Scharpf
- Publisher : Anonim
- Genre : Elytroderma deformans
- Total Pages : 12 pages
- ISBN :
- Release Date : 03 June 1981
- PDF File Size : 7,7 Mb
- Language : English
- Rating : 4/5 from 21 reviews
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