Scaevola and Brachyscome flowering pot plants Rodger Elliot Outback Plants Pty Ltd Project Number: NY01026 NY01026 This report is published by Horticulture Australia Ltd to pass on information concerning horticultural research and development undertaken for the nursery industry. The research contained in this report was funded by Horticulture Australia Ltd with the financial support of Outback Plants Pty Ltd. All expressions of opinion are not to be regarded as expressing the opinion of Horticulture Australia Ltd or any authority of the Australian Government. The Company and the Australian Government accept no responsibility for any of the opinions or the accuracy of the information contained in this report and readers should rely upon their own enquiries in making decisions concerning their own interests. ISBN 0 7341 1182 7 Published and distributed by: Horticultural Australia Ltd Level 1 50 Carrington Street Sydney NSW 2000 Telephone: (02) 8295 2300 Fax: (02) 8295 2399 E-Mail: [email protected] © Copyright 2005 Final Report for Horticulture Australia Project No.: NY01026 Completion: 30/12/04 Project Title: Confidential Scaevola and Brachyscome flowering pot plants Project Leader: Rodger Elliot Principal Investigator: Tony Slater Research Provider: Department of Primary Industries, Victoria Final Report for Horticulture Australia Horticulture Australia Project No: NY01026 Project Title: Confidential Scaevola and Brachyscome flowering pot plants Project Leader: Rodger Elliot, Outback Plants Principal Investigator: Tony Slater Department of Primary Industries Institute for Horticultural Development Private Bag 15, Ferntree Gully Delivery Centre VIC 3156 Ph (03) 9210 9222 Fax (03) 9800 3521 Report Prepared by: Mary-Anne Blakemore and Tony Slater Department of Primary Industries Institute for Horticultural Development Private Bag 15, Ferntree Gully Delivery Centre VIC 3156 Project Officer: Samantha Jones Research Provider: Department of Primary Industries Victoria Acknowledgement: The authors wish to fully acknowledge the funding support from Outback Plants, Horticulture Australia and the Department of Primary Industries Victoria. Date: December 2004 Disclaimer: Any recommendations contained in this publication do not necessarily represent current Horticulture Australia policy. No person should act on the basis of the contents of this publication, whether as to matters of fact or opinion or other content, without first obtaining specific, independent professional advice in respect of the matters set out in this publication. The advice provided in this publication is intended as a source of information only. Always read the label before using any of the products mentioned. The State of Victoria and its employees do not guarantee that the publication is without flaw of any kind or is wholly appropriate for your particular purposes and therefore disclaims all liability for any error, loss or other consequence which may arise from you relying on any information in this publication Contents Media Summary...................................................................................................................................2 Technical summary..............................................................................................................................3 Introduction..........................................................................................................................................4 Materials & methods............................................................................................................................5 Plant material....................................................................................................................................5 Agronomy.........................................................................................................................................5 Pests and diseases..............................................................................................................................5 Scaevola breeding.............................................................................................................................6 Reproductive biology....................................................................................................................6 Floral structure and development...............................................................................................6 Pollen viability and stigma receptivity.......................................................................................6 Pollen storage .............................................................................................................................7 Embryo rescue ...............................................................................................................................7 Breeding program..........................................................................................................................8 Seed germination...........................................................................................................................8 Mutation breeding..........................................................................................................................8 Evaluation of hybrids....................................................................................................................8 Brachyscome breeding......................................................................................................................9 Reproductive biology....................................................................................................................9 Floral structure and development...............................................................................................9 Hybridisation program...................................................................................................................9 Seed harvest...................................................................................................................................9 Seed germination.........................................................................................................................10 Evaluation of hybrids (OB methods)...........................................................................................10 Open pollination..........................................................................................................................10 Mutation breeding........................................................................................................................10 Results & Discussion.........................................................................................................................11 Cultivars collected...........................................................................................................................11 Scaevola cultivars........................................................................................................................11 Brachyscome cultivars.................................................................................................................11 Pest and diseases.............................................................................................................................11 Scaevola breeding...........................................................................................................................11 Reproductive biology..................................................................................................................11 Floral structure and development.............................................................................................11 Pollen viability and stigma receptivity.....................................................................................12 Pollen Storage ..........................................................................................................................12 Embryo rescue .............................................................................................................................13 Hybridisation program.................................................................................................................14 Mutation breeding........................................................................................................................15 Evaluation of hybrids..................................................................................................................15 Brachyscome program....................................................................................................................18 Reproductive biology..................................................................................................................18 Floral structure and development.............................................................................................18 Hybridisation program.................................................................................................................18 Open pollination:.........................................................................................................................18 Mutation breeding........................................................................................................................18 Evaluation of hybrids..................................................................................................................18