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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Effects of salt stress and rhizobial inoculation on growth and nitrogen fixation of three peanut cultivars
Plant Biology, Volume 15, No. 2, Year 2013
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Description
Increasing soil salinity represents a major constraint for agriculture in arid and semi-arid lands, where mineral nitrogen (N) deficiency is also a frequent characteristic of soils. Biological N fixation by legumes may constitute a sustainable alternative to chemical fertilisation in salinity-affected areas, provided that adapted cultivars and inoculants are available. Here, the performance of three peanut cultivars nodulated with two different rhizobial strains that differ in their salt tolerance was evaluated under moderately saline water irrigation and compared with that of N-fertilised plants. Shoot weight was used as an indicator of yield. Under non-saline conditions, higher yields were obtained using N fertilisation rather than inoculation for all the varieties tested. However, under salt stress, the yield of inoculated plants became comparable to that of N-fertilised plants, with minor differences depending on the peanut cultivar and rhizobial strain. Our results indicate that N fixation might represent an economical, competitive and environmentally friendly choice with respect to mineral N fertilisation for peanut cultivation under moderate saline conditions. © 2012 German Botanical Society and The Royal Botanical Society of the Netherlands.
Authors & Co-Authors
El-Akhal, M. Rabie
Spain, Madrid
Csic - Instituto de Ciencias Agrarias Ica
Morocco, Tangier
Faculté Des Sciences et Techniques de Tanger
Rincón, Ana María
Spain, Madrid
Csic - Instituto de Ciencias Agrarias Ica
Coba de la Peña, Teodoro
Spain, Madrid
Csic - Instituto de Ciencias Agrarias Ica
Lucas, M. M.
Spain, Madrid
Csic - Instituto de Ciencias Agrarias Ica
El Mourabit, Nourdin
Morocco, Rabat
Institut National de la Recherche Agronomique, Morocco
Barrijal, Said
Morocco, Tangier
Faculté Des Sciences et Techniques de Tanger
Pueyo, José J.
Spain, Madrid
Csic - Instituto de Ciencias Agrarias Ica
Statistics
Citations: 73
Authors: 7
Affiliations: 3
Identifiers
Doi:
10.1111/j.1438-8677.2012.00634.x
ISSN:
14358603
e-ISSN:
14388677
Research Areas
Environmental