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Symbiotic effectiveness of Zambian Bradyrhizobium spp. with U.S. soya bean cultivars

Research Papers
C.B. Brooks
School of Agricultural Sciences, University of Maryland Eastern Shore, Princess Anne, MD 21853, U.S.A.
R.B. Dadson
School of Agricultural Sciences, University of Maryland Eastern Shore, Princess Anne, MD 21853, U.S.A.
B.M. Green
School of Agricultural Sciences, University of Maryland Eastern Shore, Princess Anne, MD 21853, U.S.A.
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Keywords

Bradyrhizobium
Glycine max
Inoculant
Nodulation

How to Cite

Symbiotic effectiveness of Zambian Bradyrhizobium spp. with U.S. soya bean cultivars. (1994). Tropical Agriculture, 71(1). https://journals.sta.uwi.edu/ojs/index.php/ta/article/view/2655
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Abstract

Invasiveness and efficiency of six Zambian strains of Bradyrhizobium spp., with five U.S.-bred soya bean varieties were tested. Host genotype was the major determinant in symbiotic compatibility since differences in relative nodulating abilities of strains with genotypes were apparent. Contrary to the theory that African cowpea bradyrhizobia cannot efficiently nodulate soya bean, evidence was provided to indicate that some strains can be both effective and efficient nodulators of U.S. cultivars
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