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Title: Dwarf Mistletoe of Ponderosa Pine in the Southwest (FIDL)
Author: Lightle, Paul C.; Weiss, Melvyn J.;
Source: Forest Insect & Disease Leaflet 19. [Denver, CO:] U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station
Publication Series: Forest Insect and Disease Leaflet (FIDL)
Description: Southwestern dwarf mistletoe (Arceuthobuim vaginatum subsp. cryptopodum) occurs essentially throughout the range of ponderosa pine (Pinus ponderosa var. scopulorum) from northern Mexico through western Texas, Arizona, and New Mexico into Colorado and central Utah. In Arizona and New Mexico it is present on more than one-third of the commercial forest acreage and is estimated to cause losses, due to growth reduction and mortality, of over 150 million board feet annually. Although the principal and most valuable tree species attacked is ponderosa pine, this dwarf mistletoe also commonly parasitizes Apache (P. engelmannii) and Arizona (P. ponderosa var. arizonica) pines. Lodgepole pine (P. contorta) is an occasional host, limber (P. flexilis), bristlecone (P. aristata ), and southwestern white (P. strobiformis) pines are very rare hosts.
Keywords: Decline, mortality.
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Lightle, Paul C.; Weiss, Melvyn J. 1974. Dwarf Mistletoe of Ponderosa Pine in the Southwest (FIDL). Forest Insect & Disease Leaflet 19. [Denver, CO:] U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station
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