Tsuneo S Kaneshiro

US Patent:

47116560, Dec 8, 1987

Filed:

Aug 1, 1986

Appl. No.:

6/891939

Inventors:

Tsuneo Kaneshiro - Peoria IL

Assignee:

The United States of America as represented by the Secretary of
Agriculture - Washington DC

International Classification:

C05F 1108

US Classification:

71 7

Abstract:

Legumes inoculated with tryptophan catabolic variants (tan variants) of wild-type bradyrhizobia are characterized by an enhanced capacity to fix atmospheric nitrogen as compared to parent strains. Responses of the symbiotic system to the variants include an auxinic stimulation of root growth, an enhancement of nodulation, and an increase in the nitrogen-fixation activities of the nodulated root systems.