Western Dwarf Mistletoe Infects Understory Jeffrey Pine Seedlings On Cleveland National Forest California
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Western Dwarf Mistletoe Infects Understory Jeffrey Pine Seedlings on Cleveland National Forest, California
Author | : Robert F. Scharpf |
Publisher | : |
Total Pages | : 2 |
Release | : 1986 |
Genre | : Arceuthobium |
ISBN | : |
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Many young, understory Jeffrey pines (Pinus jefreyi Grev. & Balf.) were found to be infected by western dwarf mistletoe (Arcerrthobium cantpylopodurn Engelm.) on Laguna Mountain, Cleveland National Forest, in southern California. Under heavily infected overstory, about three-fourths of the young pines (about 15 years old on the average) were infected by dwarf mistletoe. Infections per tree averaged about two and a half, two-thirds of these on the bole. Attempts to regenerate Jeffrey pine under an infected overstory in southern California will probably lead to a severely infected and damaged understory. Planting nonhost species or resistant selections of Jeffrey pine would be practical in managing dwarf mistletoe on these highly valuable forest recreational areas.
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