Dr Lynn Hoffman
Senior Lecturer Crop Phys Agro
School of Agriculture and Food Sciences
Book Chapter
Hoffman, Eleanor W., Vardien, Waafeka, Jacobs, Gerard and Windell, Nicole E. (2018). Leaf blackening: a serious impediment to long-term cold storage, transport, and extended vase life in protea cut flowers. Horticultural reviews. (pp. 73-104) edited by Ian Warrington. Oxford, United Kingdom: John Wiley & Sons. doi: 10.1002/9781119431077.ch3
Journal Articles
Steyn, Juan, Lötze, Elmi and Hoffman, E. W. (2023). The seasonal progression of the reproductive phenology of two southern highbush blueberry (V. corymbosum L. interspecific hybrids) cultivars in the Western Cape, South Africa. Scientia Horticulturae, 307 111493, 111493. doi: 10.1016/j.scienta.2022.111493
Cronje, Regina B., Hajari, Elliosha, Jonker, Arnold, Ratlapane, Innocent M., Huang, Xuming, Theron, Karen I. and Hoffman, Eleanora W. (2022). Foliar application of ethephon induces bud dormancy and affects gene expression of dormancy - and flowering-related genes in 'Mauritius' litchi (Litchi chinensis Sonn.). Journal of Plant Physiology, 276 153768, 1-12. doi: 10.1016/j.jplph.2022.153768
Karsen, Pippa A., Lötze, Elmi, Valentine, Alexander J. and Hoffman, Eleanor W. (2022). Propagation and cultivation practices of Honeybush (Cyclopia spp.) for the sustainable production of an export quality Indigenous South African tea. Crop Science, 62 (5), 1702-1733. doi: 10.1002/csc2.20752
Masike, Keabetswe, de Villiers, Andre, Hoffman, Eleanor W. and Stander, Maria A. (2020). Application of metabolomics tools to determine possible biomarker metabolites linked to leaf blackening in protea. Journal of Agricultural and Food Chemistry, 68 (45), 12595-12605. doi: 10.1021/acs.jafc.0c03607
Cronje, R. B., Ratlapane, I. M., Rohwer, E. A., Hoffman, E. W. and Huang, X. M. (2020). Carbohydrate reserve dynamics as influenced by shoot control strategies and climatic conditions prior to flowering in ‘Mauritius’ litchi. Acta Horticulturae, 1293, 155-166. doi: 10.17660/actahortic.2020.1293.22
Masike, Keabetswe, de Villiers, André, Hoffman, Eleanor W., Brand, D. Jacobus, Causon, Tim and Stander, Maria A. (2020). Detailed phenolic characterization of Protea pure and hybrid cultivars by liquid chromatography–ion mobility–high resolution mass spectrometry (LC-IM-HR-MS). Journal of Agricultural and Food Chemistry, 68 (2), 485-502. doi: 10.1021/acs.jafc.9b06361
Cronjé, P. J. R., Botes, J., Prins, D. M., Brown, R., North, J., Stander, O. P.J., Hoffman, E. W., Zacarıàs, L. and Barry, G. H. (2020). The influence of 20% white shade nets on fruit quality of ‘Nadorcott’ Mandarin. Acta Horticulturae, 1268, 279-284. doi: 10.17660/actahortic.2020.1268.36
Louw, Eugenie-Lien, Hoffman, Eleanor W., Theron, Karen I. and Midgley, Stephanie J. E. (2018). Impact of temperature on autumn- and spring-initiated inflorescence systems within a biennial pruning system of Protea 'Pink Ice' cut flowers. HortScience, 53 (3), 295-303. doi: 10.21273/hortsci12662-17
Lötze, Elmi and Hoffman, Eleanor (2017). Erratum to: Nutrient composition and content of various biological active compounds of three South African-based commercial seaweed biostimulants (Journal of Applied Phycology, (2016), 28, 2, (1379-1386), 10.1007/s10811-015-0644-z). Journal of Applied Phycology, 29 (1), 661-661. doi: 10.1007/s10811-016-0870-z
Lötze, Elmi and Hoffman, Eleanor W. (2016). Nutrient composition and content of various biological active compounds of three South African-based commercial seaweed biostimulants. Journal of Applied Phycology, 28 (2), 1379-1386. doi: 10.1007/s10811-015-0644-z
Louw, E. L., Hoffman, E. W., Theron, K. I. and Midgley, S. J.E. (2015). Physiological and phenological responses of Protea 'Pink Ice' to elevated temperatures. South African Journal of Botany, 99, 93-102. doi: 10.1016/j.sajb.2015.04.002
Hendricks, David, Hoffman, Eleanor and Lötze, Elmi (2015). Improving fruit quality and tree health of Prunus persica cv. 'Sandvliet' through combined mineral and salicylic acid foliar applications. Scientia Horticulturae, 187, 65-71. doi: 10.1016/j.scienta.2015.02.034
Derbyshire, Geline, Hoffman, Eleanor W. and Kempen, Estelle (2015). The role of nutrient solution composition on the uptake of nutrients, growth and vase life of tulips grown hydroponically under South African conditions. South African Journal of Plant and Soil, 32 (3), 129-137. doi: 10.1080/02571862.2015.1006273
LÖtze, E. and Hoffman, E. W. (2014). Foliar application of calcium plus boron reduces the incidence of sunburn in ‘Golden Delicious’ apple. Journal of Horticultural Science and Biotechnology, 89 (6), 607-612. doi: 10.1080/14620316.2014.11513127
Hoffman, Eleanor W., Bellstedt, Dirk U. and Jacobs, Gerard (2009). Exogenous cytokinin induces "out of season" flowering in Protea cv. Carnival. Journal of the American Society for Horticultural Science, 134 (3), 308-313. doi: 10.21273/JASHS.134.3.308
Conference Papers
Louw, E. L., Jacobs, G. and Hoffman, E. W. (2022). Curvature development in vegetative Leucospermum 'Soleil' and 'Succession II' shoots in response to gravity and a consistent force. XIV International Protea Research Symposium, Canary Islands, Spain, 13 - 18 March 2022. Leuven, Belgium: International Society for Horticultural Science. doi: 10.17660/actahortic.2022.1347.14
Hattingh, N., O’Brien, C., Louw, E. L., Jacobs, G. and Hoffman, E. W. (2022). Phenological studies of Protea cynaroides (L) 'Arctic Ice' following a synchronising winter pruning regime. XIV International Protea Research Symposium, Canary Islands, Spain, 13 - 18 March 2022. Leuven, Belgium: International Society for Horticultural Science. doi: 10.17660/actahortic.2022.1347.13
Suresh Krishnasamy, Smith, Millicent R., Narayan, Edward, Abdul Aziz, Ammar and Hoffman, Eleanor W. (2022). Developing virtual field trips for Agriculture. The Australian Conference on Science and Mathematics Education, Perth, WA Australia, 28-30 September 2022. Sydney, Australia: The University of Sydney.
Huysamer, A., Hoffman, E. W. and Johnson, S. (2019). Postharvest insect pest control for western flower thrips, Frankliniella occidentalis, in exported cut Proteaceae flowers. XXX International Horticultural Congress IHC2018: International Symposium on Ornamental Horticulture and XI International Symposium on Postharvest Quality of Ornamental Plants, Istanbul, Turkey, 12-16 August 2018. Leuven, Belgium: International Society for Horticultural Science. doi: 10.17660/actahortic.2019.1263.66
Huysamer, A., Hoffman, E. W. and Johnson, S. (2018). Novel technologies for the postharvest treatment of Cape Flora to control phytosanitary insect pests. 7th International Conference on Managing Quality in Chains (MQUIC) / 2nd International Symposium on Ornamentals / 13th International Protea Research Symposium, Stellenbosch, South Africa, 4 September 2017. Leuven, Belgium: International Society for Horticultural Science. doi: 10.17660/actahortic.2018.1201.57
Louw, E. L., Smit, D., Coetzee, C. and Hoffman, E. W. (2018). Extending shelf life of indoor potted plants by evaluating novel water reservoirs. VII International Conference on Managing Quality in Chains (MQUIC2017) and II International Symposium on Ornamentals in association with XIII International Protea Research Symposium, Stellenbosch, South Africa, 4-7 September 2017. Leuven, Belgium: International Society for Horticultural Science. doi: 10.17660/ActaHortic.2018.1201.84
Vardien, W., Jacobs, G. and Hoffman, E. W. (2018). The efficacy of gamma-aminobutyric acid (GABA) as a postharvest treatment in Protea, to enhance vase life and maintain quality. 7th International Conference on Managing Quality in Chains (MQUIC) / 2nd International Symposium on Ornamentals / 13th International Protea Research Symposium, Stellenbosch, South Africa, 4 September 2017. Leuven, Belgium: International Society for Horticultural Science. doi: 10.17660/actahortic.2018.1201.55
Louw, E. -L., Jacobs, G. and Hoffman, E. W. (2018). Application of plant growth regulators to single Leucospermum stems to extend stem length. 7th International Conference on Managing Quality in Chains (MQUIC) / 2nd International Symposium on Ornamentals / 13th International Protea Research Symposium, Stellenbosch, South Africa, 4 September 2017. Leuven, Belgium: International Society for Horticultural Science. doi: 10.17660/actahortic.2018.1201.54
Matsikidze, S. N., Botes, W. J., Huysamer, M. and Hoffman, E. W. (2018). Feasibility of automatic ventilation technology for sea freight of Protea cut flower products. 7th International Conference on Managing Quality in Chains (MQUIC) / 2nd International Symposium on Ornamentals / 13th International Protea Research Symposium, Stellenbosch, South Africa, 4 September 2017. Leuven, Belgium: International Society for Horticultural Science. doi: 10.17660/actahortic.2018.1201.61
Smith, A., Steyn, W. J. and Hoffman, E. W. (2018). The effect of high temperature and water stress on the development of bract browning in Protea 'Pink Ice'. 7th International Conference on Managing Quality in Chains (MQUIC) / 2nd International Symposium on Ornamentals / 13th International Protea Research Symposium, Stellenbosch, South Africa, 4 September 2017. Leuven, Belgium: International Society for Horticultural Science. doi: 10.17660/actahortic.2018.1201.56
Truter, W., Vardien, W. and Hoffman, E. W. (2018). Investigating the potential of sodium nitroprusside, a nitric oxide donor, to extend the vase life of Protea cut flower products. 7th International Conference on Managing Quality in Chains (MQUIC) / 2nd International Symposium on Ornamentals / 13th International Protea Research Symposium, Stellenbosch, South Africa, 4 September 2017. Leuven, Belgium: International Society for Horticultural Science. doi: 10.17660/actahortic.2018.1201.59
McConchie, R., Bokshi, A., Dillon, C., Offord, C. A. and Hoffman, E. W. (2018). Promotion of flowering in waratahs (Telopea speciosissima). 7th International Conference on Managing Quality in Chains (MQUIC) / 2nd International Symposium on Ornamentals / 13th International Protea Research Symposium, Stellenbosch, South Africa, 4 September 2017. Leuven, Belgium: International Society for Horticultural Science. doi: 10.17660/actahortic.2018.1201.53
Reinten, E., Hoffman, E. W., Bezuidenhout, K. and Gerber, A. (2018). Sustainable globalization within international markets for the Proteaceae ornamental industry. 7th International Conference on Managing Quality in Chains (MQUIC) / 2nd International Symposium on Ornamentals / 13th International Protea Research Symposium, Stellenbosch, South Africa, 4 September 2017. Leuven, Belgium: International Society for Horticultural Science. doi: 10.17660/actahortic.2018.1201.65
Vardien, W., Jacobs, G. and Hoffman, E. W. (2018). The efficacy of alternate sugars, trehalose and lactulose, as a postharvest treatment in Protea 'Sylvia', to alleviate leaf blackening. 7th International Conference on Managing Quality in Chains (MQUIC) / 2nd International Symposium on Ornamentals / 13th International Protea Research Symposium, Stellenbosch, South Africa, 4 September 2017. Leuven, Belgium: International Society for Horticultural Science. doi: 10.17660/actahortic.2018.1201.62
Coetzee, J. H. and Hoffman, E. W. (2018). Social and environmental responsibility of the floriculture industry in South Africa. 7th International Conference on Managing Quality in Chains (MQUIC) / 2nd International Symposium on Ornamentals / 13th International Protea Research Symposium, Stellenbosch, South Africa, 4 September 2017. Leuven, Belgium: International Society for Horticultural Science. doi: 10.17660/actahortic.2018.1201.64
Louw, E. L., Jacobs, G. and Hoffman, E. W. (2015). Baseline growth studies of Leucospermum 'succession II' and 'Soleil' in contrasting Mediterranean climatic areas. VIII International Symposium on New Ornamental Crops and XII International Protea Research Symposium, Perth, Australia, 20-24 August 2015. Leuven, Belgium: International Society for Horticultural Science. doi: 10.17660/ActaHortic.2015.1097.3
Hoffman, E. W., Miller, M. and Louw, E. L. (2015). The Efficacy of LED lights and growth regulator sprays at controlling chilling injury in Leucospermum potted plants. VIII International Symposium on New Ornamental Crops and XII International Protea Research Symposium, Perth, Australia, 20-24 August 2015. LEUVEN 1: International Society for Horticultural Science. doi: 10.17660/ActaHortic.2015.1097.5
Smith, A., Steyn, W. J. and Hoffman, E. W. (2015). Involucral bract browning in Proteas -the what, how and what now?. VIII International Symposium on New Ornamental Crops and XII International Protea Research Symposium, Perth, Australia, 20-24 August 2015. LEUVEN 1: International Society for Horticultural Science. doi: 10.17660/ActaHortic.2015.1097.14
Gerber, A. I. and Hoffman, E. W. (2014). International protea association and current global proteaceae production: achievements and challenges. XI International Protea Research Symposium, Santiago, Chile, 23-26 April 2012. LEUVEN 1: International Society for Horticultural Science. doi: 10.17660/ActaHortic.2014.1031.1
Hoffman, E. W., Windell, N. E. and Jacobs, G. (2014). Optimum time of harvest for the control of leaf blackening in Protea 'Sylvia'. International Protea Research Symposium, Santiago, Chile, 23-26 April 2012. Leuven, Belgium: International Society for Horticultural Science. doi: 10.17660/ActaHortic.2014.1031.14
Hoffman, E. W. and Du Plessis, M. (2013). A preliminary study into protocols for the long-term cold storage of Leucospermum potted plants. II All Africa Horticulture Congress, Skukuza, South Africa, 15-20 January 2012. Leuven, Belgium: International Society for Horticultural Science. doi: 10.17660/ActaHortic.2013.1007.15
Hoffman, E. W. and Jacobs, G. J. (2012). Developing inflorescences of Protea 'carnival' reduce the responsiveness of non-flowering shoots to benzyladenine induction of flowers "out of season". International Horticultural Congress on Science and Horticulture for People (IHC2010): International Symposium on Advances in Ornamentals, Landscape and Urban Horticulture, Lisbon, Portugal , 22-27 August 2010. Leuven, Belgium: International Society for Horticultural Science. doi: 10.17660/ActaHortic.2012.937.95
Hoffman, E. W. and Jacobs, G. (2010). Phenology of and heat unit requirements for growth in Protea 'Carnival' induced by benzyladenine-containing growth regulators. IX International Protea Research Symposium, Stellenbosch, South Africa, 3-6 September 2008. Leuven, Belgium: International Society for Horticultural Science. doi: 10.17660/ActaHortic.2010.869.7