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The name digger pine supposedly came from the observation that the Paiute foraged for its seeds by digging around the base of the tree. It is more likely that the term was first applied to the people; "Digger Indians" was in common use in California literature from the 1800s. The historically more common name digger pine is
Fusarium circinatum is a fungal plant pathogen that causes the serious disease pitch canker on pine trees and Douglas firs (Pseudotsuga menziesii).The most common hosts of the pathogen include slash pine (Pinus elliottii), loblolly pine (Pinus taeda), Monterey pine (Pinus radiata), Mexican weeping pine (Pinus patula), and Douglas fir. [1]
This fungal disease affects the needles of conifers, but is mainly found on pine. Over 60 species have been reported to be prone to infection and Corsican Pine (Pinus nigra ssp. laricio) is the most susceptible species in Great Britain. [3] It was first recorded in Britain on Corsican pine in 1954 in a nursery in Dorset.
Co-existing tree and plant species will gain in the void left by the affected species, but often providing different functions. Eastern hemlock, for example, is commonly replaced by black birch in the northeast—a slow-growing, shade-tolerant and deep shade producing evergreen tree, replaced by a fast-growing, open, deciduous tree. While short ...
Scots pine, red pine, Mugo pine, Ponderosa pine, and Austrian pine are especially susceptible. Some spruce, fir, and cedar species are also vulnerable to infection. [ 3 ] The disease can infect trees of all ages, though trees that are physiologically stressed through water or nutrient deficiencies or wounded via extreme weather or insect damage ...
The disease gets its name from the black patches that grow on the trunks of infected trees. In a newly infected tree, branches become denuded and then die off. Eventually, the entire tree succumbs.
Pages in category "Tree diseases" The following 33 pages are in this category, out of 33 total. ... Pine-pine gall rust; S. Sudden oak death; Y. Yellow-cedar decline
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