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Effective Control Methods for Euonymus fortunei
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Effective Control Methods for Euonymus fortunei

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Presentation on control methods for the invasive Euonymus fortunei.

Presentation on control methods for the invasive Euonymus fortunei.

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  • Introduced in 1907 as an ornamental ground cover Native to east Asia including China Japan and Korea Mostly invasive in the southeastern states Still sold in nurseries due to its drought tolerance and rapid growth
  • An evergreen woody vine that grows as a climbing vine or vining shrub Spreads vegetativley by means of lateral roots Has thick waxy cuticle that makes it difficult to kill
  • Tolerates a variety of environmental conditions including poor soils, full to dense shade, and a wide pH range Grows in forests and forest gaps near urban areas Mainly occurs in the southeast but also found in New England and parts of the Midwest
  • Can reach 40 to 70 feet That impedes the growth of native species particularly spring ephemerals By depleting soil moisture and nutrients and blocking sunlight
  • Flower and fruit form only on plants that climb vertically Birds and other animals eat and disperse the seeds Seed also travel along Deer Creek
  • 35 acres in Ladue 14 acres are woodlands and about 40% is covered with euonymus. Deer Creek runs through the property as well.
  • Use Accord or Rodeo because it does not contain a ionic surfactant that is detrimental to amphibians Rodeo does contain a surfactant that should not be used near water A study by John Solodar at Ruth Park sprayed four days in a row completely kills it Weed shipping or mowing vines to the ground and then spraying increases mortality rate Important to spray before dormancy period. Cuticle is beginning to break down
  • After a prescribed this past winter. The vines burned in the fire and we have been watching for resprouts
  • Since the plant is still sold in nurseries I thought I would give some alternative plants to replace euonymus fortunei in urban landscapes
  • Transcript

    • 1. Ef fective ControlMethods for Euonymusfor tunei Anne Wamser Litzsinger Road Ecology Center
    • 2. Background/History Introduced in 1907 as an ornamental ground cover Native to China, Japan, and Korea Mostly occurs in the southeastern states Still sold in nurseries
    • 3. Life Cycle/Biology  An evergreen woody vine  Grows as a climbing vine or vining shrub  Has thick waxy foliage
    • 4. How to Identify It Leaf  Opposite  Evergreen  Ovate shaped  Finely toothed or wavy edged  Veined  Purple underside
    • 5. Flower and Fruit  Flower -inconspicuous greenish white -blooms midsummer  Fruit -capsule splits to reveal orange fruit -matures in fall
    • 6. Habitat and Range  Forests  Urban areas
    • 7. Detrimental Effects  Climbing vines kill shrubs and small trees  Forms a dense groundcover  Outcompetes native vegetation
    • 8. How it Spreads  Vegetatively across ground  Climbs vertical surfaces  Birds and other animals  Water  Resprouts
    • 9. Effective ControlMethods  Mechanical -Pulled -Dug up  Chemical -Foliar spray -Cut and Paint  Fire
    • 10. Mechanical Removal Pulling vines by hand or digging up Remove all plant material Place in trash bags Do not place in compost piles
    • 11. Foliar Spray Method Use 3% Glysophate with the surfactant Cidekick Tradename Accord or Rodeo Spray two times in the fall (September – October) Roundup can be used
    • 12. Cut and Paint Method  Cut and paint vines  Important to remove vertical vines  Use shoe polish bottles containing 25% Glysophate
    • 13. Fire  Prescribed Burn  Flame weeding
    • 14. Alternative Plants  Senecio obovatus – Squaw-weed  Senecio aureus – Golden ragwort  Parthenocissus quinquefolia - Virginia creeper  Campsis radicans - Trumpet vine  Lonicera flava – Yellow honeysuckle
    • 15. References Kaufman, S. & W. 2007. Invasive Plants: Guide to Identification and the Impacts and Control of Common North American Species. pp. 81-83. Solodar, John. 2005. “A Method for Control of Euonymus fortunei Using Roundup Pro (Glysophate).” Missouriensis. Vol. 26. St. Louis, MO. pp. 1-7. Slagle, M. 2004. Euonymus fortunei research field notes. Litzsinger Road Ecology Center.

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