Johnson, Herbert G.Bissonnette, Howard L.2019-09-182019-09-181972https://hdl.handle.net/11299/2071871 online resource (PDF, 2 pages)This archival publication may not reflect current scientific knowledge or recommendations. Current information available from the University of Minnesota Extension: https://www.extension.umn.edu.enCercospora leaf spot of sugar beets (Revised 1972)Report