The soybean Rj4 allele restricts nodulation by Bradyrhizobium japonicum serogroup 123 strains

M. J. Sadowsky, P. B. Cregan

Research output: Contribution to journalComment/debate

24 Scopus citations

Abstract

Of nine Bradyrhizobium japonicum serogroup 123 strains examined, 44% were found to be restricted for nodulation by cultivar Hill. Nodulation studies with soybean isoline BARC-2 confirmed that the soybean Rj4 allele restricts nodulation by the same serogroup 123 isolates. Immunological analyses indicated that B. japonicum strains in serogroups 123 and 31 share at least one surface somatic antigen.

Original languageEnglish (US)
Pages (from-to)720-723
Number of pages4
JournalApplied and environmental microbiology
Volume58
Issue number2
DOIs
StatePublished - 1992

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