R. Copeman

Serogroups of Erwinia carotovora potato strains determined with diffusible somatic antigens.

S. H. Boer, R. Copeman, H. Vruggink, 1979 .

Disease Suppression on Greenhouse Tomatoes Using Plant Waste Compost

R. Copeman, K. Lo, W. Cheuk, 2005, Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes.

Controlling soil water matric potential in root disease studies

T. Black, R. Copeman, B. D. Wisbey, 1977 .

Bacterial ring rot testing with the indirect fluorescent antibody staining procedure

S. H. Boer, R. Copeman, 2008, American Potato Journal.

Bacterial ring rot testing with the indirect fluorescent antibody staining procedure.

S. H. Boer, R. Copeman, 1980 .

ENDOPHYTIC BACTERIAL FLORA IN SOLANUM TUBEROSUM AND ITS SIGNIFICANCE IN BACTERIAL RING ROT DIAGNOSIS

S. H. Boer, R. Copeman, 1974 .

Effect of Rhizobium spp. on Fusarium solani f. sp. phaseoli

R. Copeman, G. W. Eaton, H. Pepin, 1986 .

Interactions between Agrobacterium tumefaciens and Pratylenchus penetrans in the roots of two red raspberry cultivars.

R. Copeman, T. Vrain, 1987 .

Tobacco mosaic virus concentration in inoculated and systemically infected tobacco leaves.

R. Copeman, J. Watterson, J. Hartman, 1969, Phytopathology.

Effect of heating on the sensitivity and specificity of an enzyme immunoassay (EIA) for Erwinia carotovora subsp. atroseptica serogroup I

M. Caron, R. Copeman, 1985 .

Two strains in the genus Erwinia cause galls on Douglas-fir in southwestern British Columbia

R. Hunt, R. Copeman, R. Deyoung, 1998 .