Read Population Dynamics of Dwarf Mistletoe on Young True Firs in the Central Sierra Nevada, California

Population Dynamics of Dwarf Mistletoe on Young True Firs in the Central Sierra Nevada, California

Robert F. Scharpf

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Description:Young red firs (Abies magnifica A. Murr.) and white firs (A. concolor [Gord. & Glend.] Lindl. ex Hildebr.) on the Stanislaus National Forest, California, were inoculated with seeds of dwarf mistletoe (Arceuthobium abietinum) for 5 successive years. Only 3 to 4 percent of about 7000 seeds placed on branches resulted in infections. Second-generation infections developed and populations of the parasite built up on some trees but not on others after 17 years. Variables that appeared to regulate population increases included an 8- to 9-year average between inoculation and fruiting of plants, low rate of fruit production among female plants, low proportion of plants producing abundant fruit (100 or more/year), and irregular production of fruit on plants over the years, Death of infected branches also helped keep populations of the parasite in check. In vigorous, well-managed stands of young firs, dwarf mistletoe populations may not build up rapidly enough to result in serious losses.We have made it easy for you to find a PDF Ebooks without any digging. And by having access to our ebooks online or by storing it on your computer, you have convenient answers with Population Dynamics of Dwarf Mistletoe on Young True Firs in the Central Sierra Nevada, California. To get started finding Population Dynamics of Dwarf Mistletoe on Young True Firs in the Central Sierra Nevada, California, you are right to find our website which has a comprehensive collection of manuals listed.
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Pages: 16

Format: PDF, EPUB & Kindle Edition

Publisher: —

Release: 1982

ISBN: th2lYg6H62cC

Description: Young red firs (Abies magnifica A. Murr.) and white firs (A. concolor [Gord. & Glend.] Lindl. ex Hildebr.) on the Stanislaus National Forest, California, were inoculated with seeds of dwarf mistletoe (Arceuthobium abietinum) for 5 successive years. Only 3 to 4 percent of about 7000 seeds placed on branches resulted in infections. Second-generation infections developed and populations of the parasite built up on some trees but not on others after 17 years. Variables that appeared to regulate population increases included an 8- to 9-year average between inoculation and fruiting of plants, low rate of fruit production among female plants, low proportion of plants producing abundant fruit (100 or more/year), and irregular production of fruit on plants over the years, Death of infected branches also helped keep populations of the parasite in check. In vigorous, well-managed stands of young firs, dwarf mistletoe populations may not build up rapidly enough to result in serious losses.We have made it easy for you to find a PDF Ebooks without any digging. And by having access to our ebooks online or by storing it on your computer, you have convenient answers with Population Dynamics of Dwarf Mistletoe on Young True Firs in the Central Sierra Nevada, California. To get started finding Population Dynamics of Dwarf Mistletoe on Young True Firs in the Central Sierra Nevada, California, you are right to find our website which has a comprehensive collection of manuals listed.
Our library is the biggest of these that have literally hundreds of thousands of different products represented.

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Population Dynamics of Dwarf Mistletoe on Young True Firs in the Central Sierra Nevada, California

Population Dynamics of Dwarf Mistletoe on Young True Firs in the Central Sierra Nevada, California

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