Oriental Bittersweet Celastrus orbiculatus
Oriental bittersweet <ul><li>Woody vine that climbs other vegetation such trees and structures </li></ul><ul><li>Thrives i...
<ul><li>Reproduces by seed, rhizome, and stolon </li></ul><ul><li>Male and female plants </li></ul><ul><li>Fruit productio...
Urtica/Flickr creative commons Human vectored dispersal
Highly invasive and damaging <ul><li>Vines strangle trees, reduce light available for tree growth, and added vine weight c...
 
 
 
American bittersweet  Celastrus scandens <ul><li>Native congener </li></ul><ul><li>Occur in same habitat </li></ul><ul><li...
Distinguishing bittersweets American Oriental Fruit capsule color Fruit position
Oriental bittersweet distribution EDDMapS. 2011. Early Detection & Distribution Mapping System. The University of Georgia ...
 
Report infestations <ul><li>Location information </li></ul><ul><ul><li>GPS coordinates preferred </li></ul></ul><ul><ul><l...
Management <ul><li>Outreach and education </li></ul><ul><li>Mechanical and chemical control methods </li></ul><ul><ul><li>...
<ul><li>Contact Information </li></ul><ul><li>Monika Chandler, 651-201-6537 </li></ul><ul><li>MN Dept. of Agriculture </li...
Upcoming SlideShare
Loading in …5
×

Oriental Bittersweet

3,519 views

Published on

A presentation by Monika Chandler, MN Department of Agriculture, on invasive oriental bittersweet in Minnesota. Created in August 2011 and shared on MyMinnesotaWoods.umn.edu

  • Be the first to comment

  • Be the first to like this

Oriental Bittersweet

  1. 1. Oriental Bittersweet Celastrus orbiculatus
  2. 2. Oriental bittersweet <ul><li>Woody vine that climbs other vegetation such trees and structures </li></ul><ul><li>Thrives in a wide range of habitats, light levels, and soil types </li></ul><ul><li>Grows to 66’ in length </li></ul><ul><li>Introduced as an ornamental </li></ul>
  3. 3. <ul><li>Reproduces by seed, rhizome, and stolon </li></ul><ul><li>Male and female plants </li></ul><ul><li>Fruit production on female plants </li></ul><ul><li>Seed dispersal is vectored by birds and other wildlife that eat the fruit containing seed. </li></ul><ul><li>Short-term seed viability </li></ul>Biology
  4. 4. Urtica/Flickr creative commons Human vectored dispersal
  5. 5. Highly invasive and damaging <ul><li>Vines strangle trees, reduce light available for tree growth, and added vine weight can break trees </li></ul>
  6. 9. American bittersweet Celastrus scandens <ul><li>Native congener </li></ul><ul><li>Occur in same habitat </li></ul><ul><li>Oriental bittersweet outcompetes American bittersweet </li></ul><ul><li>Hybrids? </li></ul><ul><li>Cultivars </li></ul>
  7. 10. Distinguishing bittersweets American Oriental Fruit capsule color Fruit position
  8. 11. Oriental bittersweet distribution EDDMapS. 2011. Early Detection & Distribution Mapping System. The University of Georgia - Center for Invasive Species and Ecosystem Health. Available online at http://www.eddmaps.org/; last accessed August 23, 2011.
  9. 13. Report infestations <ul><li>Location information </li></ul><ul><ul><li>GPS coordinates preferred </li></ul></ul><ul><ul><li>Note location for infestations on private property without permission to access </li></ul></ul><ul><li>Digital photographs of the plant (whole plant, leaf, flower, and stem) will aid identification </li></ul><ul><li>Call “Arrest the Pest” or 1-888-545-6684 </li></ul>
  10. 14. Management <ul><li>Outreach and education </li></ul><ul><li>Mechanical and chemical control methods </li></ul><ul><ul><li>Cut and remove vines and dig roots </li></ul></ul><ul><ul><li>Cut stump herbicide treatment </li></ul></ul><ul><ul><li>Foliar herbicide treatment </li></ul></ul><ul><ul><li>Basal bark treatment </li></ul></ul>
  11. 15. <ul><li>Contact Information </li></ul><ul><li>Monika Chandler, 651-201-6537 </li></ul><ul><li>MN Dept. of Agriculture </li></ul><ul><li>[email_address] </li></ul>http://www.mda.state.mn.us/en/plants/badplants/orientalbittersweet.aspx

×