Rhizobium populations in grassland acid soils of Southwest Spain which nodulate Trifolium, Medicago, Ornithopus and Biserrula

Temprano, F.J.; Albareda, M.; Rodríguez-Navarro, D.N., Instituto de Investigación y Formación Agraria y Pesquera, Alcalá del Río-Sevilla . Centro Las Torres

Rhizobium populations in grassland acid soils of Southwest Spain which nodulate Trifolium, Medicago, Ornithopus and Biserrula

2008

Temprano, F.J.; Albareda, M.; Rodríguez-Navarro, D.N., Instituto de Investigación y Formación Agraria y Pesquera, Alcalá del Río-Sevilla (Spain). Centro Las Torres

Legumes are important components in grasslands because they can fix atmospheric nitrogen. Clovers (Trifolium sp.), annual medics (Medicago sp.), serradella (Ornithopus sp.) and biserrula (Biserrula pelecinus) are some of the important legumes in Mediterranean pastures, which are nodulated by specific rhizobia. 24 soils from Andalucía and Extremadura regions (SW-Spain) were analysed for the presence and effectiveness, in nitrogen fixation, of native rhizobia populations for those legumes. Specific rhizobia for clovers and serradella were present in high density, in all the soils tested, but rhizobia densities for medics or biserrulla were quite variable. Even some soils were devoid of Sinorhizobium for medics. Randomly selected strains from these populations were tested for their effectiveness in nitrogen fixation with their respective host legume and they showed high fixing capacity

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AGROVOC Keywords

medicago ornithopus rhizobium trifolium

Bibliographic information

Published in

Options Méditerranéennes. Série A : Séminaires Méditerranéens (CIHEAM)

Issue 79

Publisher

CIHEAM-IAMZ

Pagination

p 127-130

Other Subjects

Biserrula pelecinus

Language

English

Note

Summaries (En, Fr)

6 graphs

6 ref.

ISBN

2-85352-378-0

Type

Conference; Summary

Source

Sustainable Mediterranean Grasslands and their Multi-Functions, Porqueddu, C. ed.Tavares de Sousa, M.M. ed..- Zaragoza (Spain): CIHEAM-IAMZ, 2008. Meeting of the Sub-network on Mediterranean Forage Resources of the FAO-CIHEAM Inter-regional Cooperative Research and Development Network on Pastures and Fodder Crops,Meeting of the Sub-network on Mediterranean Forage Resources of the FAO-CIHEAM Inter-regional Cooperative Research and Development Network on Pastures and Fodder Crops, 12, Elvas (Portugal), 9-12 Apr 2008.- 2-85352-378-0.- p 127-130

Conference

Meeting of the Sub-network on Mediterranean Forage Resources of the FAO-CIHEAM Inter-regional Cooperative Research and Development Network on Pastures and Fodder Crops, 12, Elvas (Portugal), 9-12 Apr 2008

In AGRIS since: 2010-06-15

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