Desmodium canadense (Showy tick trefoil)
- 90 strains, including effective isolates from tropical Desmodium
species.
- Most effective strains identified in growth chamber and field
studies: UMR6617 and UMR6437
Strains of rhizobia for D.canadense, derive mainly from
the Agassiz Dunes, Ana Gronseth, Bluestem, Chippewa, Helen Allison
Savanna, Kellogg-Weaver Dunes, Pankratz, and Roscoe prairies. Descriptions
of these sites are available through the Minnesota
DNR- Scientific and Natural Areas.
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