Dalea purpurea
(Purple prairie clover)
- 240 strains, including isolates from Coronilla and Onobrychis
that are effective on Dalea
- Most effective strains identified in growth chamber and field
studies: UMR 6808, UMR 7205 and UMR 7240
Dalea candida
(White prairie clover)
Strains of rhizobia for D.purpurea, and D.
candida 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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