Louisiana State University LSU Digital Commons LSU Master's Theses Graduate School 2003 Rhizome manipulation affects growth and development of ornamental gingers Maria del Pilar Paz Louisiana State University and Agricultural and Mechanical College, [email protected] Follow this and additional works at: https://digitalcommons.lsu.edu/gradschool_theses Recommended Citation Paz, Maria del Pilar, "Rhizome manipulation affects growth and development of ornamental gingers" (2003). LSU Master's Theses. 603. https://digitalcommons.lsu.edu/gradschool_theses/603 This Thesis is brought to you for free and open access by the Graduate School at LSU Digital Commons. It has been accepted for inclusion in LSU Master's Theses by an authorized graduate school editor of LSU Digital Commons. For more information, please contact [email protected]. RHIZOME MANIPULATION AFFECTS GROWTH AND DEVELOPMENT OF ORNAMENTAL GINGERS A Thesis Submitted to the Graduate Faculty of the Louisiana State University and Agricultural and Mechanical College in partial fulfillment of the requirements for the degree of Master of Science in The Department of Horticulture by Maria del Pilar Paz B.S., Escuela Agricola Panamericana, 2000 December 2003 ACKNOWLEDGMENTS To God for being my source of strength and happiness, and to Mary for being my example in life. To my parents, Pablo and Irma, for their support, love, and understanding. To Dr. Jeff S. Kuehny for giving me the chance to continue my education, for his patience, understanding, and example. To Dr. Ed Bush and Dr. David Picha for taking the time to be part of my committee. To Gloria McClure for always having an answer to any and all of my dilemmas and for not only being a mentor in the lab, but also a friend. To Mrs. Patricia Branch for all her time and help inside as well as outside the greenhouses. To John Y., Vasan, Nina, all the Zamorano service training students, and student workers for all their hard work and help on this research. To Ann and Jess for trusting me with their friendship and consuming all that sushi with me. To Patrick Quebedeaux for his love, understanding, patience, and help in the lab. To the American Floral Endowment and Gloeckner Foundation for their financial support of this research. To the LSU AgCenter for all their support. To the Chiangmai Setcon Co. for providing all the rhizomes for this study. To the Graduate School for the tuition award. To the LSU Horticulture Department for awarding me the John F. Fontenot and Donald Newsom Scholarships, and to all the faculty and staff for making me feel so welcome. ii TABLE OF CONTENTS ACKNOWLEDGEMENTS.................................................................................................. ii LIST OF TABLES ............................................................................................................. vii LIST OF FIGURES............................................................................................................. ix ABSTRACT........................................................................................................................ xi CHAPTER 1. INTRODUCTION.......................................................................................... 1 1.1 Introduction .............................................................................................................. 1 1.2 Literature Review...................................................................................................... 4 1.2.1 Ornamental Gingers ......................................................................................... 4 1.2.1.1 Size of Underground Structure.............................................................. 5 1.2.2 Dormancy......................................................................................................... 6 1.2.2.1 Temperature Influence on Dormancy .................................................... 7 1.2.2.2 Storage Duration Influence on Dormancy ............................................. 9 1.2.3 Plant Growth Regulators .................................................................................. 9 1.2.3.1 Benzyladenine (BA) ............................................................................. 9 1.2.3.2 Ethephon .............................................................................................10 1.3 Literature Cited........................................................................................................10 CHAPTER 2. NUMBER OF TUBEROUS ROOTS OF CURCUMA ALISMATIFOLIA AFFECT GROWTH AND DEVELOPMENT .....................................................................13 2.1 Introduction .............................................................................................................13 2.2 Material and Methods ..............................................................................................14 2.3 Results .....................................................................................................................17 2.4 Discussion................................................................................................................19 2.5 Literature Cited........................................................................................................20 CHAPTER 3. STORAGE TEMPERATURE AND DURATION EFFECTS ON GROWTH AND DEVELOPMENT OF ORNAMENTAL GINGERS...................................................21 3.1 Introduction .............................................................................................................21 3.2 Materials and Methods.............................................................................................23 3.2.1 Experiment 1...................................................................................................23 3.2.2 Experiment 2...................................................................................................26 3.3 Results .....................................................................................................................27 3.3.1 Experiment 1...................................................................................................27 3.3.1.1 Globba.................................................................................................27 3.3.1.2 C. alismatifolia ....................................................................................29 3.3.1.3 C. roscoeana........................................................................................30 3.3.1.4 Kaempferia..........................................................................................31 3.3.2 Experiment 2...................................................................................................32 3.3.2.1 Globba.................................................................................................32 iii 3.3.2.2 C. alismatifolia ....................................................................................35 3.3.2.3 C. roscoeana........................................................................................38 3.3.2.4 Kaempferia..........................................................................................41 3.4 Discussion................................................................................................................44 3.4 Literature Cited........................................................................................................48 CHAPTER 4. COLD AND HOT RHIZOME STORAGE EFFECTS ON GROWTH AND DEVELOPMENT OF ORNAMENTAL GINGERS ............................................................50 4.1 Introduction .............................................................................................................50 4.2 Materials and Methods.............................................................................................51 4.3 Results .....................................................................................................................52 4.3.1 Globba ............................................................................................................52 4.3.2 C. alismatifolia................................................................................................56 4.3.3 C. cordata .......................................................................................................57 4.4 Discussion................................................................................................................59 4.5 Literature Cited........................................................................................................60 CHAPTER 5. EFFECT OF RHIZOME STORAGE DURATION AFTER BENZYLADENINE OR ETHEPHON DIP ON GROWTH AND DEVELOPMENT OF ORNAMENTAL GINGERS ...............................................................................................62 5.1 Introduction .............................................................................................................62 5.2 Materials and Methods.............................................................................................63 5.3 Results .....................................................................................................................65 5.3.1 Globba ............................................................................................................65 5.3.2 C. alismatifolia................................................................................................68 5.3.3 C. cordata .......................................................................................................71 5.4