Publications
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Aarons , S.R. and Graham, P.H., 1991. Response of Rhizobium
leguminosarum bv phaseoli to acidity. Plant Soil. 134:145?151
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Ballen, K.G., Graham, P.H., Jones, R.K. and Bowers, J.H.,
1998. Acidity and calcium interactions affecting cell envelope
stability in Rhizobium. Can.J.Microbiol. 44: 582-587.
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Bernal, G, and Graham, P.H., 2001. Diversity in the rhizobia
associated with Phaseolus vulgaris L. in Ecuador, and
comparisons with Mexican bean rhizobia. Can. J. Microbiol. 47,
526-534
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Chaverra, M.H. and Graham, P.H., 1992. Cultivar variation
in traits affecting early nodulation of common bean. Crop Sci.
32:1432-1436.
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Christiansen, I. (2001) Ph.D thesis, University of Minnesota
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Christiansen, I. and Graham, P.H., 2002. Variation in nitrogen
(N2) fixation among Andean bean (Phaseolus vulgaris
L.) genotypes grown at two levels of phosphorus supply.
Field Crops Res. 73, 133-142.
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Elisondo Baron, J., Pasini, R.J., Davis, D.W., Stuthman,
D.D. and Graham, P.H., 1999. Response to selection for seed
yield and nitrogen (N2) fixation in common bean (Phaseolus
vulgaris L.). Field Crops Res. 62, 119-128.
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Espinosa-Victoria, D., Vance, C.P. and Graham, P.H., 2000.
Host variation in traits associated with crown nodule senescence
in soybean (Glycine max L. Merrill). Crop Sci. 40:103-109.
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Estevez de Jensen, C., Percich, J.A. and Graham, P.H., 2002.
Dry bean root rot control with Bacillus subtilis in
Minnesota. Field Crops Res. 74,107-115.
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Graham, P. H., S. E. Viteri, F. Mackie, and A. T. Palacios,
1982. Variation in acid soil tolerance among strains of Rhizobium
phaseoli. Field Crops Res. 5:121?128.
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Graham, P.H. et al., 1994. Acid pH tolerance in strains of
Rhizobium and Bradyrhizobium, and initial
studies on the basis for acid tolerance of Rhizobium tropici
strain UMR 1899. Can. J. Microbiol. 40:198-207.
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Graham, P.H. et al., 2003. Addressing edaphic constraints
to bean production: the Bean/Cowpea CRSP project in perspective.
Field Crops Res. 82, 179-192.
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Montealegre, C., Graham, P.H. and Kipe-Nolt, J.A., 1995.
Preference in the nodulation of Phaseolus vulgaris
cultivar RAB39. Can. J. Microbiol. 41, 992-998.
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Pazdernik, D.L., Graham, P.H. and Orf, J.H., 1997a. Variation
in the pattern of dinitrogen fixation and nitrogen distribution
of soybean. Crop Sci. 37: 1482-1486.
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Pazdernik, D.L., Vance, C.P., Sadowsky, M.J., Graham, P.H.
and Orf, J.H., 1997b. A host controlled serogroup-specific ineffective
nodulation system in the Bradyrhizobium- soybean (Glycine
max L. Merr.) symbiosis. MPMI. 10: 994-1001.
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