N2 fixation and rhizosphere ecology of aspalathus linearis subsp. linearis(rooibos tea)

 

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dc.contributor.advisor Dakora, Felix D en_ZA
dc.contributor.author Muofhe, Mmboneni Leonard en_ZA
dc.date.accessioned 2016-05-13T09:35:03Z
dc.date.available 2016-05-13T09:35:03Z
dc.date.issued 1997 en_ZA
dc.identifier.citation Muofhe, M. 1997. N2 fixation and rhizosphere ecology of aspalathus linearis subsp. linearis(rooibos tea). University of Cape Town. en_ZA
dc.identifier.uri http://hdl.handle.net/11427/19646
dc.description Summary in English. en_ZA
dc.description Bibliography: pages 117-138. en_ZA
dc.description.abstract Aspalathus linearis subsp. linearis grows in acid sands of the Cedarberg with pH ranging from 3.8-5.5. Under these conditions:, some essential nutrients are likely to be limiting. In this study, the response of Aspalathus linearis subsp. linearis to N, P, Ca and B was investigated I under field and glasshouse conditions to determine whether provision of supplemental mineral nutrients promotes growth and N2 fixation for increased tea production, and whether this legume from low nutrient environment responds to fertilization. Interestingly, provision of N and P stimulated plant growth and symbiotic performance under field and glasshouse conditions. However, like most legumes, there was sensitivity to high levels of N which resulted in a decline in nodulation and N2 fixation. Unlike P and N nutrition, Ca supply led to a significant decrease in symbiotic performance of the legume under both glasshouse and field conditions. The amounts of N fixed ranged from 50 to 225 mg N/plant under glasshouse conditions and 3.8 to 7.1 g N/plant in the field. When inoculated with soils collected from different areas outside the Cedarberg, Aspalathus linearis subsp. linearis failed to nodulate, suggesting the possible absence of specific bradyrhizobia which nodulate this legume. en_ZA
dc.language.iso eng en_ZA
dc.subject.other Biological Sciences en_ZA
dc.title N2 fixation and rhizosphere ecology of aspalathus linearis subsp. linearis(rooibos tea) en_ZA
dc.type Thesis / Dissertation en_ZA
uct.type.publication Research en_ZA
uct.type.resource Thesis en_ZA
dc.publisher.institution University of Cape Town
dc.publisher.faculty Faculty of Science en_ZA
dc.publisher.department Department of Biological Sciences en_ZA
dc.type.qualificationlevel Masters en_ZA
dc.type.qualificationname MSc en_ZA
uct.type.filetype Text
uct.type.filetype Image


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