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  1. No Access

    Article

    Strigolactone inhibits hydrogen peroxide and plasma membrane H+-ATPase activities to downregulate adventitious root formation in mung bean hypocotyls

    Strigolactones regulate root development and are known to inhibit adventitious root formation. However, the hormonal targets of strigolactones during adventitious rooting are yet to be determined. As a signal ...

    L. O. Omoarelojie, M. G. Kulkarni, J. F. Finnie, J. van Staden in Plant Growth Regulation (2021)

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    Chapter

    Traditional Use of Medicinal and Aromatic Plants in Africa

    Traditional medicine and the use of medicinal and aromatic plants in Africa are linked to social life, culture and daily activities of the African people. The celebration of life events involve the presentatio...

    Olufunke O. Fa**mi, Olaoluwa O. Olarewaju… in Medicinal and Aromatic Plants of the World… (2017)

  3. No Access

    Article

    In vitro regeneration of Cyrtanthus species: ornamental plants with medicinal benefits

    Cyrtanthus (Amaryllidaceae) is a genus of perennial geophytes, endemic to the southern African region. Destructive and indiscriminate harvesting of bulbs for medicinal and ornamental purposes has...

    B. Ncube, J. F. Finnie, J. Van Staden in In Vitro Cellular & Developmental Biology - Plant (2015)

  4. No Access

    Article

    Abscisic acid, gibberellins and brassinosteroids in Kelpak®, a commercial seaweed extract made from Ecklonia maxima

    The seaweed extract Kelpak® made from the kelp Ecklonia maxima is registered as a biostimulant for use in agriculture. It elicits many beneficial responses including improved root and shoot growth, higher yields ...

    Wendy A. Stirk, Danuše Tarkowská, Veronika Turečová… in Journal of Applied Phycology (2014)

  5. No Access

    Article

    Shoot proliferation and rooting treatments influence secondary metabolite production and antioxidant activity in tissue culture-derived Aloe arborescens grown ex vitro

    Aloe species are valuable plants with great ornamental and medicinal value. Although micropropagation protocols have been developed to meet the increasing global demand, the effects of the series...

    S. O. Amoo, A. O. Aremu, J. Van Staden in Plant Growth Regulation (2013)

  6. No Access

    Article

    In vitro plant regeneration, secondary metabolite production and antioxidant activity of micropropagated Aloe arborescens Mill

    Aloe species are highly-prized for their ornamental value and have been utilized for centuries in traditional medicine. Due to their habitat loss and exploitation for medicinal and ornamental pla...

    S. O. Amoo, A. O. Aremu, J. Van Staden in Plant Cell, Tissue and Organ Culture (PCTOC) (2012)

  7. No Access

    Article

    Smoke and heat: influence on seedling emergence from the germinable soil seed bank of mesic grassland in South Africa

    We examined if germination and seedling emergence of species from the soil seed bank of mesic grassland in South Africa differed in their response to smoke or heat treatments alone or combined. Soil seed bank ...

    H. M. Ghebrehiwot, M. G. Kulkarni, K. P. Kirkman, J. Van Staden in Plant Growth Regulation (2012)

  8. No Access

    Article

    Production of psoralen by in vitro regenerated plants from callus cultures of Psoralea corylifolia L.

    Psoralea corylifolia is an attractive, endangered annual producing various bioactive compounds of medical importance. This plant contributes to Indian pharmaceutical and cosmetic industries for the production of ...

    P. Baskaran, N. Jayabalan, J. Van Staden in Plant Growth Regulation (2011)

  9. No Access

    Article

    Flow of cytokinins through the environment

    Cytokinins are a group of plant growth regulators that elicit a wide range of physiological responses in plants. Cytokinins are not restricted to plants alone but also occur in lower order plants, algae and ba...

    W. A. Stirk, J. van Staden in Plant Growth Regulation (2010)

  10. No Access

    Article

    In vitro regeneration in Dierama erectum Hilliard

    The genus Dierama comprises plants with a potential to be developed as ornamentals. D. erectum seeds were decontaminated and germinated on 1/10th strength Murashige and Skoog (Physiol Plant 15:473–497, 1962) (MS)...

    M. J. Koetle, J. F. Finnie, J. Van Staden in Plant Cell, Tissue and Organ Culture (PCTOC) (2010)

  11. No Access

    Article

    Effects of temperature, photoperiod and culture vessel size on adventitious shoot production of in vitro propagated Huernia hystrix

    High production costs due to low growth rate in vitro and high labour costs are among factors limiting commercial application of micropropagation techniques. The low growth rate could be due to unfavourable or...

    S. O. Amoo, J. F. Finnie, J. Van Staden in Plant Cell, Tissue and Organ Culture (PCTOC) (2009)

  12. No Access

    Article

    In vitro propagation of Huernia hystrix: an endangered medicinal and ornamental succulent

    An efficient and rapid method for in vitro clonal propagation of Huernia hystrix was developed, resulting in shoot regeneration within 3 weeks of culture. This endangered medicinal and ornamental succulent is in ...

    S. O. Amoo, J. F. Finnie, J. Van Staden in Plant Cell, Tissue and Organ Culture (PCTOC) (2009)

  13. No Access

    Article

    Spatial and temporal changes in endogenous cytokinins in develo** pea roots

    Germination and seedling establishment follows a distinct pattern which is partly controlled by hormones. Roots have high levels of cytokinins. By quantifying the fluctuations in endogenous cytokinins over tim...

    W. A. Stirk, O. Novák, K. Václavíková, P. Tarkowski, M. Strnad, J. van Staden in Planta (2008)

  14. No Access

    Article

    An efficient system for the production of clonal plantlets of the medicinally important aromatic plant: Salvia africana-lutea L.

    An in vitro cultivation protocol was developed for S. africana-lutea a species threatened by over collection due to its importance as an aromatic medicinal plant in the Western Cape of South Africa. Adventitious ...

    N. P. Makunga, J. van Staden in Plant Cell, Tissue and Organ Culture (2008)

  15. No Access

    Article

    Toxicity of Metal Elements on Germination and Seedling Growth of Widely Used Medicinal Plants Belonging to Hyacinthaceae

    In South Africa, pollution of agricultural soils is on the increase primarily due to excessive application of fertilizers, sewage disposal and mining activities. This study was done to determine the effect of ...

    R. A. Street, M. G. Kulkarni, W. A. Stirk… in Bulletin of Environmental Contamination an… (2007)

  16. No Access

    Article

    Regulation of Avena Fatua Seed Germination by Smoke Solutions, Gibberellin A3 and Ethylene

    Dormant, intact Avena fatua L. (wild oat) seeds germinate poorly at 20 °C. Removing the hulls slightly increased germination. Treatment with smoke solutions increased the germination of both intact seeds and cary...

    J. Kępczyński, B. Białecka, M. E. Light, J. van Staden in Plant Growth Regulation (2006)

  17. No Access

    Article

    In vitro flowering of Kniphofia leucocephala: influence of cytokinins

    The role of cytokinins in the promotion of flowering in the endangered species Kniphofia leucocephala Baijnath. was investigated using shoots maintained in culture for 3 years. The highest percentage flowering (6...

    N. J. Taylor, M. E. Light, J. Van Staden in Plant Cell, Tissue and Organ Culture (2005)

  18. No Access

    Article

    Storability and germination of sodium alginate encapsulated somatic embryos derived from the vegetative shoot apices of mature Pinus patula trees

    Storability and germination of sodium alginate encapsulated somatic embryos derived from vegetative shoot apices of mature Pinus patula trees were tested on half strength DCR basal medium without growth regulator...

    Ravindra B. Malabadi, J. van. Staden in Plant Cell, Tissue and Organ Culture (2005)

  19. No Access

    Article

    Effects of Auxins and 2,3,5-Triiodobenzoic Acid on Somatic Embryo Initiation from Norway Spruce Zygotic Embryos (Picea abies)

    Embryonal-suspensor mass (ESM) initiation from zygotic embryo sections was not affected by explant orientation whatever the type of external auxin used. Thus, polar auxin transport might not be directly involv...

    A.V. Ramarosandratana, J. Van Staden in Plant Cell, Tissue and Organ Culture (2004)

  20. No Access

    Article

    Screening microalgae for some potentially useful agricultural and pharmaceutical secondary metabolites

    Nearly two hundred microalgal strains (174 Chlorophyta and 23 Cyanobacteria) were screened against some bacteria, filamentous fungi and yeasts using a disc-diffusion type bioassay. From this initial screening,...

    V. Ördög, W. A. Stirk, R. Lenobel, M. Bancířová, M. Strnad… in Journal of Applied Phycology (2004)

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