An experimental approach for developing seed lines of new Australian native flowering pot plants

Cave, R. L., Erwin, J. E., Hammer, G. L., Birch, C. J. and Johnston, M. E. (2012). An experimental approach for developing seed lines of new Australian native flowering pot plants. In: Proceedings of the XXVIII International Horticultural Congress On Science and Horticulture for People (IHC2010): Proceedings of the International Symposium On Advances in Ornamentals, Landscape and Urban Horticulture. XXVIII International Horticultural Congress (IHC2010), Lisbon, Portugal, (37-43). 22-27 August 2010.

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Name Description MIMEType Size Downloads
Author Cave, R. L.
Erwin, J. E.
Hammer, G. L.
Birch, C. J.
Johnston, M. E.
Title of paper An experimental approach for developing seed lines of new Australian native flowering pot plants
Conference name XXVIII International Horticultural Congress (IHC2010)
Conference location Lisbon, Portugal
Conference dates 22-27 August 2010
Proceedings title Proceedings of the XXVIII International Horticultural Congress On Science and Horticulture for People (IHC2010): Proceedings of the International Symposium On Advances in Ornamentals, Landscape and Urban Horticulture   Check publisher's open access policy
Journal name Acta Horticulturae   Check publisher's open access policy
Place of Publication Leuven, Belgium
Publisher International Society for Horticultural Science
Publication Year 2012
Sub-type Fully published paper
Open Access Status
ISBN 9789066055254
ISSN 0567-7572
Volume 937
Start page 37
End page 43
Total pages 7
Collection year 2013
Language eng
Formatted Abstract/Summary
The Centre for Native Floriculture identifies and develops new Australian native species for floriculture markets. Two species that have been selected as seed lines for flowering pot plant markets are Brunonia australis (Goodeniaceae) and Calandrinia sp. (Portulacaceae). B. australis is an annual or perennial herb that produces blue inflorescences on tall slender stalks. Calandrinia sp. (not yet fully classified) is a succulent herb with violet to pink flowers and a contrasting throat. Developing these species as new seed lines requires knowledge of the environmental factors that regulate seed germination, vegetative growth and flowering to allow potential growers to schedule flowering and meet market requirements. For many species, temperature, daylength and light intensity are the main factors that control flowering when water and nutrients are non-limiting. However, juvenility and the stage of plant development can alter plant responses to environmental stimuli. Development and flowering requirements of B. australis and Calandrinia sp. were investigated using controlled growth environments and field trials with a focus on seed germination, juvenility, floral ontogeny, time to flowering and growth habit. The outcomes of these studies, benefits to floriculture and future work are discussed. This work will assist in the domestication of these species and may provide a good experimental approach for developing seed lines of new Australian native flowering pot plants.
Keyword Ornamental
Floriculture
Temperature
Daylength
Vernalisation
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes The papers contained in this volume of Acta Horticulturae report the peer reviewed Proceedings of the International Symposium on Ornamentals: Diversity and Opportunities in Ornamental Horticulture - X International Protea Research Symposium - Seminar 03: Portuguese and Spanish Influences on Garden Culture and Open Space Development - Seminar 11: Ornamental Horticulture and Invasive Issues - Thematic Session 11: Landscaping - Thematic Session 18: Urban Horticulture, organised on the occasion of the XXVIII International Horticultural Congress, August 22-27, 2010 Lisbon, Portugal.

Document type: Conference Paper
Collections: School of Agriculture and Food Sciences
Official 2013 Collection
 
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