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Assessing host range, symbiotic effectiveness, and photosynthetic rates induced by native soybean rhizobia isolated from Mozambican and south African soils

dc.contributor.authorGyogluu, C.
dc.contributor.authorMohammed, M.
dc.contributor.authorJaiswal, S.K.
dc.contributor.authorBoahen, S.
dc.contributor.authorDakora, F.D.
dc.date.accessioned2019-12-04T11:21:44Z
dc.date.available2019-12-04T11:21:44Z
dc.date.issued2017-11-27
dc.identifier.citationGyogluu, C., Mohammed, M., Jaiswal, Boahen, S. & Dakora, F. D. (2018). Assessing host range, symbiotic effectiveness, and photosynthetic rates induced by native soybean rhizobia isolated from Mozambican and south African soils. Symbiosis, 75, 257-266.
dc.identifier.issn0334-5114
dc.identifier.urihttps://hdl.handle.net/20.500.12478/3863
dc.descriptionArticle purchased
dc.description.abstractHost range and cross-infectivity studies are important for identifying rhizobial strains with potential for use as inoculants. In this study, 10 native soybean rhizobia isolated from Mozambican and South African soils were evaluated for host range, symbiotic effectiveness and ability to induce high rates of photosynthesis leading to enhanced plant growth in cowpea (Vigna unguiculata L. Walp.), Bambara groundnut (Vigna subterranean L. Verdc.), Kersting’s groundnut (Macrotyloma geocarpum Harm) and soybean (Glycine max L. Merr). The test isolates had different growth rates and colony sizes. Molecular analysis based on enterobacterial repetitive intergenic consensus (ERIC)-PCR revealed high genetic diversity among the test isolates. The results further showed that isolate TUTLBC2B failed to elicit nodulation in all test plants, just as TUTNSN2A and TUTDAIAP3B were also unable to nodulate cowpea, Kersting’s bean and Bambara groundnut. Although the remaining strains formed ineffective nodules on cowpea and Kersting’s bean, they induced effective nodules on Bambara groundnut and the two soybean genotypes. Bacterial stimulation of nodule numbers, nodule dry weights and photosynthetic rates was generally greater with isolates TUTRSRH3A, TUTM19373A, TUTMCJ7B, TUTRLR3B and TUTRJN5A. As a result, these isolates elicited significantly increased accumulation of biomass in shoots and whole plants of Bambara groundnut and the two soybean genotypes. Whole-plant symbiotic nitrogen (N) of soybean and Bambara groundnut was highest for the commercial strains CB756 and WB74, as well as for TUTRLR3B, TUTMCJ7B and TUTRSRH3A, suggesting that the three native rhizobial isolates have potential for use as inoculants.
dc.description.sponsorshipBill & Melinda Gates Foundation
dc.format.extent257–266
dc.language.isoen
dc.subjectSeed Germination
dc.subjectBambara Groundnut
dc.subjectNodulation
dc.subjectNitrogen Fixation
dc.subjectStomatal
dc.subjectSoybeans
dc.subjectCowpeas
dc.subjectGenotypes
dc.titleAssessing host range, symbiotic effectiveness, and photosynthetic rates induced by native soybean rhizobia isolated from Mozambican and south African soils
dc.typeJournal Article
cg.contributor.crpGrain Legumes
cg.contributor.affiliationTshwane University of Technology
cg.contributor.affiliationInternational Institute of Tropical Agriculture
cg.coverage.regionAfrica
cg.coverage.regionSouthern Africa
cg.coverage.countryMozambique
cg.coverage.countrySouth Africa
cg.creator.identifierStephen Boahen Asabere: 0000-0001-8946-401X
cg.researchthemeBIOTECH & PLANT BREEDING
cg.researchthemePLANT PRODUCTION & HEALTH
cg.isijournalISI Journal
cg.authorship.typesCGIAR and developing country institute
cg.iitasubjectCowpea
cg.iitasubjectGrain Legumes
cg.iitasubjectPlant Breeding
cg.iitasubjectPlant Diseases
cg.iitasubjectPlant Health
cg.iitasubjectPlant Production
cg.iitasubjectSoil Fertility
cg.journalSymbiosis
cg.howpublishedFormally Published
cg.accessibilitystatusOpen Access
local.dspaceid96711
cg.targetaudienceScientists
cg.identifier.doihttps://dx.doi.org/10.1007/s13199-017-0520-5


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