Symbiotic N nutrition, C assimilation, and plant water use efficiency in Bambara groundnut (Vigna subterranea L. Verdc) grown in farmers’ fields in South Africa, measured using 15N and 13C natural abundance

Mohale, Keletso Cecilia; Belane, Alphonsus K.; Dakora, Felix D.

doi:10.1007/s00374-013-0841-3

Cited by 63 publications

(61 citation statements)

References 39 publications

(41 reference statements)

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“…The desirable agronomic traits of Bambara groundnut such as yield potential (Berchie et al 2010;BAMFOOD 2012), nutritional composition (Brough and Azam-Ali 1992;Brough et al 1993) drought tolerance and adaptations to marginal soils (Collinson et al 1996;Mwale et al 2007a, b), N-fixation and soil fertility improvement (Kishinevsky et al 1996;Dakora 1998;Herridge and Rose 2000;Herridge et al 2008;Mohale et al 2013) have been documented. The crop largely exists as landraces with few varieties developed through controlled breeding (Massawe et al 2002;Basu et al 2007b;Massawe et al 2007).…”

Section: Introductionmentioning

confidence: 99%

Genetic diversity and population structure of Bambara groundnut (Vigna subterranea (L.) Verdc.): synopsis of the past two decades of analysis and implications for crop improvement programmes

Aliyu

Massawe

Mayes

2016

Genet Resour Crop Evol

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Section: Introductionmentioning

confidence: 99%

Genetic diversity and population structure of Bambara groundnut (Vigna subterranea (L.) Verdc.): synopsis of the past two decades of analysis and implications for crop improvement programmes

Aliyu

Massawe

Mayes

2016

Genet Resour Crop Evol

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“…It could also mean that though the rhizobacteria were available in the soil they might not be nitrogen fixers. Nitrogen available in the soil can also be low if plant density is low since both are positively correlated and might not be as a result of poor symbiotic relationship [30]. This was contrary to other findings which observed that nitrogen increased with increase in microbial population and activities [31].…”

Section: Discussionmentioning

confidence: 68%

“…Phosphate solubilization is a complex phenomenon and it helps to discriminatively screen the bacteria which are able to break down tricalcium phosphate (TCP) and thereby release inorganic phosphate. subtilis [30]. The ability of these isolates to be able to inhibit and/or suppress the growth of both fungi and bacteria implies the richness of the bambara groundnut rhizosphere and its ability to resist diseases and pests.…”

Section: Discussionmentioning

confidence: 99%

Bambara Groundnut Rhizobacteria Antimicrobial and Biofertilization Potential

Ajilogba

Adebola

Adeleke

2020

Preprint

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Bambara groundnut, an underutilized crop has been proved to be an indigenous crop in Africa with the potential for food security. The rhizosphere of Bambara groundnut like other legumes contains several important bacteria that have not been explored for their plant growth-promoting properties. The aim of this research was to determine the potentials of rhizobacteria from Bambara groundnut soil samples as either biofertilizer or biocontrol agents or both to help provide sustainable agriculture in Africa and globally. Analyses of Bambara groundnut rhizospheric soil samples included chemical analysis such as nitrogen content analysis using extractable inorganic nitrogen method as well as cation exchangeable capacity using ammonium acetate method. Plant growth-promoting properties of isolated rhizobacteria tested include indole acetic acid, hydrogen cyanide, phosphate solubilization, 1-aminocyclopropane-1-carboxylate and ammonia production activities using standard methods. In addition, antifungal assay dual culture method was used to analyze the biocontrol properties of the isolates. Phylogenetic analysis using 16S rRNA was also carried out on the isolates. Isolated rhizobacteria from bambara groundnut rhizosphere were cultured. All the isolates were able to produce ammonia and 1-aminocyclopropane-1-carboxylate while 4.65%, 12.28% and 27.91% produced Hydrogen cyanide, Indole acetic acid and solubilized phosphate respectively, making them important targets as biocontrol and biofertilizer agents. The growth of Fusarium graminearum was suppressed in vitro by 6.98% of the isolates. Plant growth promoting activities of rhizobacteria from bambara groundnut rhizosphere reveals that it has great potentials in food security as biofertilizer and biocontrol agent against fungal and bacterial pathogens.

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“…N fixation was measured using 15 N natural abundance (NA) procedure as suggested by Mohale et al (2014). The 15 N NA of the whole plant (grain plus stover) was measured using the method of Unkovich et al (2008) The % ndfa was calculated using the method reported by Musa et al (2016).…”

Section: Data Collectionmentioning

confidence: 99%

Performance of Bambara groundnut (Vigna subterranea L. Verdc.) with rice husk biochar and Christmas Island Rock Phosphate application

Musa

Singh

2019

Int J Recycl Org Waste Agricult

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Purpose Biochar application could be a sustainable way to enhance the nitrogen fixation in Bambara groundnut and other legumes. The research was conducted to study the effect of rice husk biochar and the Christmas Island Rock Phosphate application on the performance of Bambara groundnut in the study area. Methods Two levels of rice husk biochar (0 and 10 t/ha) and four levels of Christmas Island Rock Phosphate (0, 20, 40 and 60 kg P 2 O 5 /ha) were factorially combined to make a total of eight treatment combinations which were laid out in a randomized complete block design (RCBD) with three replicates. Data were collected on nitrogen content and fixation of the crop. Results Application of rice husk biochar increased the total mean of nitrogen content and N fixed by the crop from 120.0 and 90.9 kg/ha to 147.6 and 114.1 kg/ha, respectively. However, the effect of rock phosphate application on the nitrogen content and fixation of the crop was not observed. Conclusion Rice husk biochar application at 10 t/ha alone was sufficient for nitrogen content and fixation of the crop. This implies that farmers in the study area can apply rice husk biochar at 10 t/ha to enhance the performance of the crop.

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Symbiotic N nutrition, C assimilation, and plant water use efficiency in Bambara groundnut (Vigna subterranea L. Verdc) grown in farmers’ fields in South Africa, measured using 15N and 13C natural abundance

Cited by 63 publications

References 39 publications

Genetic diversity and population structure of Bambara groundnut (Vigna subterranea (L.) Verdc.): synopsis of the past two decades of analysis and implications for crop improvement programmes

Genetic diversity and population structure of Bambara groundnut (Vigna subterranea (L.) Verdc.): synopsis of the past two decades of analysis and implications for crop improvement programmes

Bambara Groundnut Rhizobacteria Antimicrobial and Biofertilization Potential

Performance of Bambara groundnut (Vigna subterranea L. Verdc.) with rice husk biochar and Christmas Island Rock Phosphate application

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