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Distributions and collecting priorities
for crop wild relatives in the United States
Colin K. Khoury, Stephanie L. Greene, Karen A. Williams, & Chrystian C. Sosa
2017 National Native Seed Conference 14 February 2017 Washington, D.C.
Distributions and collecting priorities for crop wild relatives in - - PowerPoint PPT Presentation
Distributions and collecting priorities for crop wild relatives in - - PowerPoint PPT Presentation
Distributions and collecting priorities for crop wild relatives in the United States Colin K. Khoury, Stephanie L. Greene, Karen A. Williams, & Chrystian C. Sosa 2017 National Native Seed Conference 14 February 2017 Washington, D.C. Crop
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Crop wild relatives are in the news
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Western corn rootworm resistance from eastern gama grass (Tripsacum dactyloides) Salinity tolerance from Pecos sunflower (Helianthus paradoxus)
Khoury et al. (2013) Crop Science 53(4): 1496
Eastern filbert blight resistance from American filbert (Corylus americana) Rootstock from northern California walnut (Juglans hindsii)
Crop wild relatives are valuable genetic resources
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Pecos sunflower (Helianthus paradoxus) Okeechobee gourd (Cucurbita okeechobeensis subsp.
- keechobeensis)
Scrub plum (Prunus geniculata) Texas wild rice (Zizania texana)
Crop wild relatives are threatened wild plants
Khoury et al. (2013) Crop Science 53(4): 1496
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Inventory of crop wild relatives of the U.S.
Khoury et al. (2013) Crop Science 53(4): 1496
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Determine gaps in conservation
Gap analysis
Choose species and area
Make conservation recommendations
Model distributions Gather
- ccurrence data
Process data
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Distributions of priority CWR in the U.S.
62,000 records 38,000 with coordinates
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Potential distributions of priority CWR in the U.S.
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Potential distributions of priority CWR in the U.S.
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Potential distributions of priority CWR in the U.S.
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Potential distributions of priority CWR in the U.S.
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Further collecting priorities for priority CWR
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State # of CWR of high priority for further collecting New York 87 Virginia 85 Tennessee 82 Texas 82 North Carolina 80 West Virginia 80 Pennsylvania 78 Ohio 77 Illinois 75 Georgia 74 New Jersey 74 Indiana 73 Arkansas 72 Kentucky 72 Maryland 72 Massachusetts 72 Missouri 72 South Carolina 72 Florida 69 Alabama 68
Number of CWR of high priority for further collecting per state
Further collecting priorities for priority CWR
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Distributions of wild relatives of important food crops of high priority for further collecting
Global hotspots for under-represented CWR
Castañeda-Álvarez et al. (2016) Nature Plants 2(4): 16022
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The U.S. is a global hotspot for under-represented CWR
Castañeda-Álvarez et al. (2016) Nature Plants 2(4): 16022
# high priority species prioritized for further collecting
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Ex situ conservation and ongoing collecting
Wild potato, Arizona Wild sunflower, Louisiana
Photo: J. Bamberg Photo: K.A. Williams
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- V. macrocarpon Ait.
- V. oxycoccos L.
Small cranberry Large cranberry
Complementary conservation of wild cranberry
Information available at: http://www.fs.fed.us/wildflowers/ethnobotany/cranberry/index.shtml Photo: K.A. Williams Framework available at: http://www.fs.fed.us/wildflowers/ethnobotany/documents/cwr/FrameworkNativeCropWildRelativesOct2014.pdf
Monongahela NF, WV George Washington NF, VA Cherokee NF, TN Pisgah NF, NC Chequamegon-Nicolet NF, WI Superior NF, MN Ottawa NF, MI Allegheny NF, PA Hiawatha NF, MI
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Pisgah National Forest, NC
1748 m
Chequamegon - Nicolet National Forest, WI
Photo: L. Rodriguez-Bonilla, UW
490 m
Monongahela National Forest, WV
1110 m
George Washington National Forest, VA
976 m
Cranberry populations in U.S. National Forests
Photo: K.A. Williams Photo: K.A. Williams Photo: K.A. Williams
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Private conservation lands are important for U.S. CWR
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Private conservation lands are important for U.S. CWR
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Comprehensive action on U.S. crop wild relatives
Information Access for Use Conservation Strategy
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Castañeda-Álvarez et al. (2016) Global conservation priorities for crop wild relatives. Nature Plants 2(4): 16022. Khoury et al. (2013) An inventory of crop wild relatives of the United States. Crop Science 53(4): 1496. Khoury et al. (2016) Measuring the state of conservation of crop diversity: a baseline for marking progress toward biodiversity conservation and sustainable development goals. Crop Wild Relatives project policy brief. USFS/ARS Strategic Framework:
http://www.fs.fed.us/wildflowers/ethnobotany/documents/cwr/FrameworkNativeCropWildRelativesOct2014.pdf
USFS/ARS Cranberry project:
http://www.fs.fed.us/wildflowers/ethnobotany/cranberry/index.shtml
Thank you!
Contacts: Colin Khoury c.khoury@cgiar.org | Colin.Khoury@ars.usda.gov Stephanie Greene | Stephanie.Greene@ars.usda.giv Karen Williams | Karen.Williams@ars.usda.gov
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