Research

The following are the Department's peer-reviewed outputs for 2008. For details of our individual research interests, please visit our individual pages: Brad Ripley, Nigel Barker, Ted Botha, Roy Lubke, Tony Dold, Susi Vetter and Craig Peter.

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Behenna M, Vetter S and Fourie S (2008). Viability of alien and native seed banks after slash and burn: Effects of soil moisture, depth of burial and fuel load. South African Journal of Botany 74:454-462.

Botha CEJ, Aoki N, Scofield GN, Liu L, Furbank RT and White RG (2008). A xylem sap retrieval pathway in rice leaf blades: evidence of a role for endocytosis? Journal of Experimental Botany 59:2945-2954.

Buys MH, van Rensburg LLJ, Mienie CMS, Barker N, Burgoyne PM, Mills L, Van Rensburg L and Hartmann H (2008). Applying AFLPs in Aizoaceae: The Delosperma herbeum complex as a case study. Biochemical Systematics and Ecology 36:92-100.

Cunniff J, Osborne CP, Ripley BS, Charles M and Jones G (2008). Response of wild C4 crop progenitors to subambient CO₂ highlights a possible role in the origin of agriculture. Global Change Biology 14:576-587.

Gilbert M, Pammenter N and Ripley B (2008). The growth responses of coastal dune species are determined by nutrient limitation and sand burial. Oecologia 156:169-178.

Ibrahim DG, Gilbert ME, Ripley BS and Osborne CP (2008). Seasonal differences in photosynthesis between the C3 and C4 subspecies of Alloteropsis semialata are offset by frost and drought. Plant, Cell and Environment 31:1038-1050.

Kelly CMR, Barker NP, Villet MH, Broadley DG and Branch WR (2008). The snake family Psammophiidae (Reptilia : Serpentes): Phylogenetics and species delimitation in the African sand snakes (Psammophis Boie, 1825) and allied genera. Molecular Phylogenetics and Evolution 47:1045-1060.

Larsen MW, Peter C, Johnson SD and Olesen JM (2008). Comparative biology of pollination systems in the African-Malagasy genus Brownleea (Brownleeinae : Orchidaceae). Botanical Journal of the Linnean Society156:65-78.

McKenzie RJ, Hjertson M and Barker NP (2008). Typification of the name Arctotis lanata and those of some southern African Haplocarpha species (Asteraceae, Arctotideae). Taxon57:612-614.

Osborne CP, Wythe EJ, Ibrahim DG, Gilbert ME and Ripley BS (2008). Low temperature effects on leaf physiology and survivorship in the C3 and C4 subspecies of Alloteropsis semialata. Journal of Experimental Botany 59:1743-1754.

Peter CI and Johnson SD (2008). Mimics and magnets: The importance of color and ecological facilitation in floral deception. Ecology 89:1583-1595.

Pirie,M.D., A.M.Humphreys, C.Galley, N.P.Barker, G.A.Verboom, D.Orlovich, S.J.Draffin, K.Lloyd, C.M.Baeza, M.Negritto, E.Ruiz, J.H.C.Sanchez, E.Reimer, and H.P.Linder 2008. A novel supermatrix approach improves resolution of phylogenetic relationships in a comprehensive sample of danthonioid grasses. Molecular Phylogenetics and Evolution in press.

Ripley BS, Abraham TI and Osborne CP (2008). Consequences of C4 photosynthesis for the partitioning of growth: a test using C3 and C4 subspecies of Alloteropsis semialata under nitrogen-limitation. Journal of Experimental Botany 59:1705-1714.

Ripley BS, DeWet L and Hill MP (2008). Herbivory-induced reduction in photosynthetic productivity of water hyacinth, Eichhornia crassipes (Martius) Solms-Laubach (Pontederiaceae), is not directly related to reduction in photosynthetic leaf area. African Entomology 16:140-142.

White AG, vies-Coleman MT and Ripley BS (2008). Measuring and optimising umckalin concentration in wild-harvested and cultivated Pelargonium sidoides (Geraniaceae). South African Journal of Botany 74:260-267.