Journal article
Estimation of host-strain compatibility for symbiotic N-fixation between Rhizobium meliloti, several annual species of Medicago and Medicago sativa
Plant and Soil, Vol.219(1/2), pp.49-55
2000
Abstract
Standard methods for estimating host-strain compatibility for N-fixation in vitro proved inadequate for examination of the symbiosis between Rhizobium meliloti and Medicago sativa, M. littoralis, M. tornataas well as for hybrids between M. littoralisand M. truncatula. When screening procedures in soil free of background R. melilotiwere adopted, nitrogen fixation appeared to be unrestricted by the screening environment. During the experiments it became clear that the single commercial inoculant strain available in Australia (CC169) was poorly effective at N-fixation with many of the lucerne and annual medic cultivars examined. Interspecific hybridisation between M. truncatulaand M. littoralis also produced genotypes that were particularly difficult to satisfy in a symbiotic sense. Despite the existence of substantial host-strain genotype interactions between the symbiotic partners, several alternative strains of R. meliloti proved to be broadly effective at N-fixation. One of these, WSM826, has since become commercially available in Australia.
Details
- Title
- Estimation of host-strain compatibility for symbiotic N-fixation between Rhizobium meliloti, several annual species of Medicago and Medicago sativa
- Authors/Creators
- J.G. Howieson (Author/Creator)B. Nutt (Author/Creator)P. Evans (Author/Creator)
- Publication Details
- Plant and Soil, Vol.219(1/2), pp.49-55
- Publisher
- Kluwer Academic Publishers
- Identifiers
- 991005540179007891
- Copyright
- © 2000 Kluwer Academic Publishers
- Murdoch Affiliation
- Centre for Rhizobium Studies
- Language
- English
- Resource Type
- Journal article
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- Collaboration types
- Domestic collaboration
- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.97 Plant Pathology
- 3.97.892 Rhizobium-Legume Symbiosis
- Web Of Science research areas
- Agronomy
- Plant Sciences
- Soil Science
- ESI research areas
- Agricultural Sciences