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South African Journal of Botany

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VOLUME 69 ISSUE 2 (2003)
CONTENTS

Minireview

117

S de Schepper, P Debergh, E van Bockstaele, M de Loose, A Gerats and A Depicker

Genetic and epigenetic aspects of somaclonal variation: flower colour bud sports in azalea, a case study

Abstract

 

Research Papers

L Heemers, E Oyaert, MC van Labeke, E Volckaert and P Debergh    

129

Seasonal influence on vegetative growth and flower initiation of Spathiphyllum

Abstract

 

P Mortimer, JC Swart, AJ Valentine, G Jacobs and MD Cramer

135

Does irrigation influence the growth, yield and water use efficiency of the protea hybrid ‘Sylvia’ (Protea susannae X Protea eximia)?

Abstract

 

NR Crouch, DA Mulholland, TL Pohl and E Ndlovu  

144

The ethnobotany and chemistry of the genus Clivia (Amaryllidaceae)

Abstract

 

NA Rivers-Moore, JE Granger and F Ahmed    

148

Change in mistbelt mixed Podocarpus forest area between 1944 and 1996 in the Midmar catchment of KwaZulu-Natal, South Africa

Abstract

 

M Liu, L Shi, B-E van Wyk and PM Tilney  

151

Fruit anatomy of the genus Bupleurum (Apiaceae) in northeastern China and notes on systematic implications

Abstract

 

N Sultana and AJ Afolayan    

158

Bioactive sesquiterpene lactones isolated from the shoots of Arctotis arctotoides

Abstract

 

AM Venter and HJT Venter

161

Lycium gariepense (Solanaceae), a new species from South Africa and Namibia

Abstract

 

OM Grace, HDV Prendergast, J van Staden and AK Jäger    

165

The suitability of Thin Layer Chromatography for authenticating bark medicines used in South African traditional healthcare

Abstract

 

L Negash

170

Vegetative propagation of the threatened East African yellowwood (Podocarpus falcatus)

Abstract

 

CH Bornman, OSP Dickens, CF van der Merwe, J Coetzee and A-M Botha  

176

Somatic embryos of Picea abies behave like isolated zygotic embryos in vitro but with greatly reduced physiological vigour

Abstract

 

JC Pretorius, S Magama and PC Zietsman    

186

Growth inhibition of plant pathogenic bacteria and fungi by extracts from selected South African plant species

Abstract

 

S Magama, JC Pretorius and PC Zietsman    

193

Antimicrobial properties of extracts from Euclea crispa subsp. crispa (Ebenaceae) towards human pathogens

Abstract

 

Short Communications

CL Obi, N Potgieter, PO Bessong, T Masebe, H Mathebula and P Molobela    

199

In vitro antibacterial activity of Venda medicinal plants

Abstract

 

F Conrad, G Reeves and JP Rourke

204

Phylogenetic relationships of the recently discovered species — Clivia mirabilis

Abstract

 

GD Arthur, WA Stirk and J van Staden    

207

Effect of a seaweed concentrate on the growth and yield of three varieties of Capsicum annuum

Abstract

 

Research Notes

HJT Venter

212

Raphionacme (Apocynaceae: Periplocoideae): nomenclatural notes for southern African species

Abstract

 

JC Chukwujekwu and J van Staden    

214

Tissue culture enhances the propagation potential of some Tillandsioideae

Abstract

 

ME Light and J van Staden    

217

The nitric oxide specific scavenger carboxy-PTIO does not inhibit smoke stimulated germination of Grand Rapids lettuce seeds

Abstract

 

D Kirkwood and JJ Midgley

220

Response to Matthews et al. (2001) vegetation of the Tembe Elephant Park, Maputaland, South Africa

 

Book Reviews

Reviewed by R Roth    

222

Clivias by Harold Koopowitz with photographic illustrations by James Comstock

 

Reviewed by C Fennell    

223

Garden Masterclass by John Brookes

 

Conference Abstracts    

224

Abstracts of papers and posters presented at the 29th Annual Congress of the South African Association of Botanists and the International Society for Ethnopharmacology held at the University of Pretoria, Pretoria, South Africa, 8–11 January 2003

 

 

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