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Mistletoe

Mistletoe. By Paige Heilman. Common Information. 1300 species. The Dwarf Mistletoe ( Arceuthobium pusillum ). The American Mistletoe. Hemi-parasites. Yellowish, white. “Dung on a twig”. Life Cycle. Symptoms. Branch swelling. Upper tree leaf loss. Witch’s brooms. Effects.

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Mistletoe

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  1. Mistletoe By Paige Heilman

  2. Common Information 1300 species The Dwarf Mistletoe (Arceuthobiumpusillum) The American Mistletoe Hemi-parasites Yellowish, white “Dung on a twig”

  3. Life Cycle

  4. Symptoms Branch swelling Upper tree leaf loss Witch’s brooms

  5. Effects Top kill of trees Stunt in growth Death of trees Distortions of limbs

  6. Prevention Pruning and removing trees Ethephon Clear cut

  7. Ponderosa Pine Dwarf Mistletoe Arceuthobiumcamylopodum Ponderosa pines and Lodgepole pines Fan-like branches Shoot height 3-8 cm Western Region

  8. Lodgepole Pine Dwarf Mistletoe Arceuthobiumamericanum Lodgepolepine, ponderosa pine, whitebarkpine Shoot height 5-9 cm Montana, Colorado, and Wyoming Whorl-like branching

  9. Douglas Fir Dwarf Mistletoe Arceuthobiumdouglasii Douglas fir and Douglas white fir Shoot height 2 cm Fan-like branching Western region

  10. Limber Pine Dwarf Mistletoe Arceuthobiumcyanocarpum Limber pine, lodgepole pine, ponderosa pine, southwestern white pine Fan-like branching Shoot height 3 cm Western except Washington

  11. Hemlock dwarf mistletoe Arceuthobiumtsugense Western hemlock Fan-like branching Oregon, Washington, and north Californina Shoot height 3 cm

  12. Works Cited Puckett, Catherine. "Not Just for Kissing: Mistletoe and Birds, Bees, and Other Beasts." U.S. Geological Survey. USGS. October, 2 2009. Web. 26 Nov 2012. <http://www.usgs.gov/newsroom/special/mistletoe/default.asp> Hennon, Paul. "Hemlock Dwarf Mistletoe." U.S Forest Service. U. S. Department of Agriculture, n.d. Web. 26 Nov 2012. <http://www.fs.usda.gov/detail/r10/communityforests/?cid=fsbdev2_038350>

  13. Works Cited Continued Koski, R.D. "Mistletoes in Colorado Conifers." Colorado State University Extension. N.p., 3 2012. Web. 26 Nov 2012. <http://www.ext.colostate.edu/pubs/garden/02925.html>.

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