Botanic Gardens Trust, Sydney, Australia

Cathy Offord

Position

Manager Horticultural Research

Branch

Science & Public Programs

Section

Horticultural Research

Email

cathy.offord@rbgsyd.nsw.gov.au

Phone

+61-2-4634 7913

Fax

+61-2-4648 2465

Research interests

Germplasm conservation, Conservation of rare and threatened plants and communities, Seed biology, Effect of  climate change and other threats on NSW species, Development of Australian plants for horticulture, Horticultural research

Keywords
Conservation, Horticulture, Seed biology, Propagation, Tissue culture, Plant physiology

Key publications

Journal articles

  • Offord, C.A., Campbell, L.C. and Mullins, M.G. 1992.  Micropropagation of Telopea speciosissima R.Br (Proteaceae) 1: Explant establishment and proliferation, Plant Cell Tissue and Organ Culture 29: 215-221.
  • Offord, C.A. and Campbell, L.C. 1992.  Micropropagation of Telopea speciosissima R.Br (Proteaceae) 2: Rhizogenesis and acclimatisation to ex vitro conditions, Plant Cell Tissue and Organ Culture 29: 223-230.
  • Offord, C.A., Muir, S and Tyler, J. 1998. Growth of selected Australian plants in soilless media using coir as a substitute for peat. Australian Journal of Experimental Agriculture 38:  879-87.
  • Donovan, N.J., Offord, C.A. and Tyler, J.L. 1999. Vegetative cutting and in vitro propagation of the tree waratah, Alloxylon flammeum P.Weston and Crisp (Proteaceae). Australian Journal of Experimental Agriculture 39: 225-229.
  • Offord, C.A., Porter, C. L. Meagher, P.F. and Errington, G.  1999. Sexual reproduction and early plant growth of the Wollemi pine (Wollemia nobilis), a rare and threatened Australian conifer. Annals of Botany 84: 1-9.
  • Offord, C.A. and Meagher, P.F.  2001. The effects of temperature, light and stratification on seed germination of Wollemi pine (Wollemia nobilis, Araucariaceae). Australian Journal of Botany 49: 699-704.
  • von Richter, L., Azzopardi, A., Johnstone, R. and Offord, C.  2002. Seed germination in the rare shrub Grevillea kennedyana (Proteaceae). Cunninghamia 7: 205-212.
  • Burrows, G.E., Offord, C.A., Meagher, P.F. and Ashton, K.  2003. Axillary meristems and the development of epicormic shoots and branches in Wollemi pine (Wollemia nobilis).  Annals of Botany 92: 835-844.
  • Martyn, A., Thomas, C., Gollnow, B., Offord, C. and McConchie, R. 2003.  Effect of shade cloth, irrigation frequency and calcium sprays on bract browning in waratahs (Telopea spp.). Acta Horticulturae 602: 99-102.
  • Martyn, A., Tyler, J., Offord, C. and McConchie, R.  2003. Swainsona sejuncta: A species of ornamental promise or a potential weed?  Australian Journal of Experimental Agriculture 43: 1369-1381.
  • Offord, C.A. 2003.  Improvement of waratahs (Telopea spp.) through breeding.  Acta Horticulturae 602: 119-122.
  • Offord, C., McKensy, M., Brien, J., Errington, G. and Cuneo, P. 2003. Germination and ex situ storage of Hakea dohertyi (Proteaceae) seed.  Cunninghamia 8: 129-132.
  • Peakall, R., Ebert, D., Scott, L., Meagher, P. and Offord, C.  2003.  Comparative genetic study confirms exceptionally low genetic variation in the ancient and endangered relictual conifer, Wollemia nobilis (Araucariaceae).  Molecular Ecology 12: 2331-2343.
  • Offord, C.A. 2004.  An examination of the reproductive biology of Telopea speciosissima (Proteaceae) with emphasis on the role of protandry and self-pollination in fruit set.  International Journal of Plant Sciences 165:  73-83.
  • Offord, C.A., Mckensy, M.L., Cuneo, P.V. 2004.  Critical review of threatened species collections in the NSW Seedbank: Implications for ex situ conservation of biodiversity.  Pacific Conservation Biology 10: 221-236.
  • McConchie, R., Martyn, A. and Offord, C. 2005. Effect of shade on bract browning of waratahs (Telopea spp.) Acta Horticulturae 694: 439-443.
  • Martyn, A., McConchie, R. and Offord, C. 2006.  Effect of shade on bract browning of waratahs (Telopea spp.).  Acta Horticulturae  716: 117-126.
  • Offord, C.A. 2006.  Analysis of characters and germplasm of significance to improvement of Australian native waratahs (Telopea spp., family Proteaceae) for cut flower production. Genetic Resources and Crop Evolution 53: 1263-1272.
  • Offord, C. and Meagher, P. 2006.  Wollemi pine: from the wild to the world.  Chronica Horticulturae 46: 10-13.
  • von Richter, L.V. and Offord, C.A. 2006. Effect of slow release fertiliser on the growth of containerised Flannel flower (Actinotus helianthi Labill., Apiaceae), Journal of Applied Horticulture 8: 21-24.
  • Martyn, A.J., Gollnow, B., McConchie, R. and Offord, C. A. 2007. Characterisation of bract browning and the effect of shade on browning in waratah (Telopea spp., Proteaceae) cultivars ‘Fire and Brimstone’, ‘Olympic Flame’ and ‘Wirrimbirra White’. Scientia Horticulturae 112: 427-433.
  • Martyn, A.J., Thomas, C. R., O’Neill, M. E., Offord, C. A. and McConchie, R. 2007. Bract browning in waratahs (Telopea spp.) is not a localised calcium deficiency disorder. Scientia Horticulturae 112: 434-438.
  • Offord, C.A. 2007.  Floral and leaf character variation in natural populations of waratah (Telopea speciosissima, family Proteaceae) with reference to conservation and horticultural improvement.  Australian Journal of Botany 55: 684-691.
  • Martyn, A.J., Larkum, A.W.D., McConchie, R. and Offord, C. A. 2008. Photoinhibition and change in pigments associated with bract browning in waratahs (Telopea spp., Proteaceae). Journal of Horticultural Science and Biotechnology 83: 367-373.
  • Martyn A.J., Seed L.U. and Offord C.A. 2008. Desiccation tolerance of threatened Australian species Myrsine richmondensis. Seed Science and Technology 36: 206-209.
  • Offord, C.A. 2008.  Effects of temperature on pollen viability and flower opening in waratah (Telopea speciosissima R.Br.).  Acta Horticulturae 805:99-106.
  • Offord, C.A. 2008.  Low fruit and seed set of waratah (Telopea speciosissima R.Br.): implications for breeding.  Acta Horticulturae 805:93-98.
  • Sommerville, K.D., Siemon, J.D., Wood, C.B. and Offord, C.A. 2008. Simultaneous encapsulation of seed and mycorrhizal fungi for long-term storage and propagation of terrestrial orchids. Australian Journal of Botany 56: 609-615.
  • Offord, C.A. and Bullock, S. 2009. Fungal diseases affecting ornamental Flannel flower (Actinotus helianthi) cultivars.  Acta Horticulturae 813: 543-546.
  • Offord, C.A. and von Richter, L.V. 2009. Field establishment of seed, cuttings and tissue culture propagated flannel flowers (Actinotus helianthi, Apiaceae).  Acta Horticulturae. 813: 539-542.
  • Offord, C.A. and Tyler, J.L. 2009. In vitro propagation of Pimelea spicata R.Br (Thymelaeaceae), an endangered species of the Sydney region, Australia. Plant Cell Tissue and Organ Culture 98: 19-23.
  • Sommerville, K.D., Heslewood, M.M., Siemon, J.P. and Offord, C.A. 2009. Banking site soil for the germination of terrestrial orchid seed collections. Seed Science and Technology 37: 222-228.
  • Martyn A., Seed L.U., Ooi M.K.J., Offord C.A. (in press). A review of seed fill, viability and germination: Family Rutaceae. Cunninghamia.
  • Frith A., Offord C.A. and Martyn A.J. (in press). To bag or not to bag? The effect of different collection methods on seed germination of Zieria arborescens ssp. arborescens Sim. Ecological Restoration and Management.

Books and book chapters

  • Offord, C.A. 1995.  ‘Conservation horticulture’.  In: L.D. Meredith (ed.) Integrated plant Conservation in Australia.  Australian Network for Plant Conservation, Canberra, pp. 47-51.
  • Offord, C.A. 1996. ‘Waratahs’.  In: M. Burchett and K. Johnston (Eds) Horticulture of Australian Plants. UNSW Press, Sydney, pp. 67-81.
  • Offord, C.A. and Tyler, J.L. 1996. ‘Flannel Flowers’.  In: M. Burchett and K. Johnston (Eds) Horticulture of Australian Plants.  UNSW Press, Sydney, pp. 212-217.
  • Offord, C.A. 1997.  ‘Tissue culture of waratahs’. In: P. Nixon (ed.) The Waratah, 2nd ed. Kangaroo Press, Sydney, pp. 49-50.
  • Offord, C.A. and Tyler, J.L.  1997.  ‘Ex situ conservation of rare and endangered Australian plant species’.  In: D. Touchell and K.W. Dixon (eds) Conservation into the 21st Century.  Kings Park and Botanic Garden, Perth W.A., pp. 239-244.
  • von Richter, L. and Offord, C. 1998.  ‘Flannel flowers’.  In: W. Hyde (ed) The New Rural Industries, A Handbook for Farmers and Investors.   Rural Industries Research and Development Corporation, Canberra, pp. 505-511.
  • Worrall, R. Offord, C. and von Richter, L.  2004. ‘Flannel flower’.  In: S. Salvin, M. Bourke, T. Byrne (eds) The New Crop Industries Handbook.  Rural Industries Research and Development Corporation, Canberra, pp. 434-441.
  • Offord, C. 2008. (ed.) Proceedings of the Australian Network for Plant Conservation Inc. Seventh National Conference, 21-24 April 2008, Mulgoa NSW, 51 pp.
  • Offord, C.A., Bunn, E., Turner, S.R., Sommerville, K.D., Siemon, J and Ashmore, S.E. 2009 ‘Tissue culture’. In: C.A. Offord and P.F. Meagher (eds) Plant germplasm conservation: strategies and guidelines for developing, managing and utilising ex situ collections. Australian Network for Plant Conservation, Canberra, pp. 109-128.
  • Cochrane, A., Crawford, A.D. and Offord, C.A. 2009. ‘Seed and vegetative material collection’. In: C.A. Offord and P.F. Meagher (eds) Plant germplasm conservation: strategies and guidelines for developing, managing and utilising ex situ collections. Australian Network for Plant Conservation, Canberra, pp. 35-62.
  • Offord, C.A. and Makinson, R.O. 2009. ‘Introduction’. In C. A. Offord and P.F. Meagher (eds) Plant germplasm conservation: strategies and guidelines for developing, managing and utilising ex situ collections. Australian Network for Plant Conservation, Canberra, pp. 1-10.
  • Offord, C.A. and Makinson, R.O. 2009. ‘Options and major considerations for germplasm conservation’. In: C.A. Offord and P.F. Meagher (eds) Plant germplasm conservation: strategies and guidelines for developing, managing and utilising ex situ collections. Australian Network for Plant Conservation, Canberra, pp. 11-34.
  • Offord, C.A. and North, T.G. 2009. ‘Living plant collections’. In: C. A. Offord and P.F. Meagher (eds) Plant germplasm conservation: strategies and guidelines for developing, managing and utilising ex situ collections. Australian Network for Plant Conservation, Canberra, pp. 149-161.
  • Offord, C.A. and Meagher, P.F. (eds) 2009. Plant germplasm conservation: strategies and guidelines for developing, managing and utilising ex situ collections. Australian Network for Plant Conservation, Canberra. Published Sept 2009

Cathy Offord

 

Germplasm guidelines