The South African Journal of Botany, the official journal of the South African Association of Botanists publishes papers which make an original contribution to any field of Botany. Papers are accepted on the understanding that their contents have not been published, or submitted for publication, elsewhere. All submitted papers are refereed by at least two highly qualified referees and by an Editor from the Editorial Review Board. Editorial policy is flexible as to the nature of the papers considered for publication. The journal publishes mini reviews, full papers, short communications and book reviews. The South African Journal of Botany is available online on Ingenta at http://www.ingenta.com
Please note that this journal is now published by Elsevier - a non-African publisher. For this reason AJOL no longer hosts the future published issues. For any queries on the issues that AJOL does host please contact the original publisher, NISC - http://www.nisc.co.za/

Vol 71, No 3 (2005):
Table of Contents
Articles
| Flower abscission: environmental control, internal regulation and physiological responses of plants |
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| GD Ascough, N Nogemane, NP Mtshali, J van Staden | 287-301 |
| Screening of 16 poisonous plants for antibacterial, anthelmintic and cytotoxic activity in vitro |
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| LJ McGaw, JN Eloff | 302-306 |
| Seasonal trends in colonisation of Protea infructescences by Gondwanamyces and Ophiostoma spp. |
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| F Roets, LL Dreyer, PW Crous | 307-311 |
| HPLC analysis of a bioactive chalcone and triterpene in the buds of Cleistocalyx operculatus |
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| C-L Ye, Y-H Lu, X-D Li, D-Z Wei | 312-315 |
| Antibacterial, anti-inflammatory and antimalarial activities of some Nigerian medicinal plants |
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| JC Chukwujekwu, J van Staden, P Smith | 316-325 |
| Results of a lucerne old-field restoration experiment at the Fynbos-Karoo interface |
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| PM Holmes | 326-338 |
| A synoptic view on the grassland vegetation of Soetdoring Nature Reserve, Free State Province |
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| BB Janecke, PJ du Preez | 339-348 |
| Temperature and light requirements for seed germination and seedling growth of two medicinal Hyacinthaceae species |
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| MG Kulkarni, SG Sparg, J van Staden | 349-353 |
| Protoplasts allow tracking of early somatic embryo development in the conifer |
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| CH Bornman, C Devillard, M Pavlica, A-M Botha | 359-366 |
| Floral morphology and stigma-anther separation in gynomonoeciousgynodioecious Kosteletzkya virginica (Malvaceae) |
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| CJ Ruan, P Qin, RM Han | 367-373 |
| Population dynamics of Leysera gnaphalodes: a statistical modelling approach |
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| JK Conradie, MW van Rooyen | 374-379 |
| A synopsis of Argyrolobium (tribe Genisteae, Papilionoideae) in South Africa |
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| TJ Edwards | 380-417 |
| Effects of vegetation control on Eucalyptus grandis × E. camaldulensis volume and economics |
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| KM Little, J van Staden | 418-425 |
| Watsonias as container plants: using paclobutrazol for flowering and height control |
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| DI Thompson, NO Anderson, J van Staden | 426-431 |
| Isolation of two antibacterial compounds from the bark of Salix capensis |
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| PJ Masika, N Sultana, AJ Afolayan | 441-443 |
| Short Communication Anti-HSV-1 activity of Euclea natalensis |
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| N Lall, JJM Meyer, MB Taylor, MB Taylor | 444-446 |
| In vitro 5-lipoxygenase and anti-oxidant activities of Warburgia salutaris and drimane sesquiterpenoids |
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| Y Frum, AM Viljoen, SE Drewes | 447-449 |
| Book Review The Bioengineered Forest: Challenges for Science and Society By Steven H Strauss and HD Bradshaw (eds) (2004) |
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| E Balázs | 450-xx |
| Book Review Biochemical Targets of Plant Bioactive Compounds By Gideon Polya (2003) |
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| J van Staden | 451-xx |
| Book Review Advances in Legume Systematics, Part 10: Higher Level Systematics By Bente Klitgaard and Anne Bruneau (eds) (2003) |
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| T Edwards | 453-xx |


