Rhododendron 'Fireflash' X 'Buttercup' has been determined to be a tetraploid using flow cytometry by
Dr. João Loureiro, Dr. Silvia Castro, José Cerca Oliveira, and Mariana Castro
Plant Ecology and Evolution Group,
Centre for Functional Ecology,
Department of Life Sciences,
Faculty of Science and Technology,
University of Coimbra, Portugal.
Summary of Ploidy Levels
Tetraploid 'Fireflash' X 'Buttercup'
Source: Joe Bruso
John and Sally Perkins
Showing posts with label S_Bruso. Show all posts
Showing posts with label S_Bruso. Show all posts
H: Tuesday, October 04, 2011
H: Thursday, March 31, 2011
'Canobie Candy' X 'Hazel Hamilton' is a Diploid
One seedling of Rhododendron 'Canobie Candy' X Rhododendron flammeum 'Hazel Hamilton', which is Sally and John Perkins hybrid, has been determined to be a diploid using flow cytometry by
Dr. João Loureiro, Dr. Silvia Castro, José Cerca, and Mariana Castro
Plant Ecology and Evolution Group,
Centre for Functional Ecology,
Department of Life Sciences,
Faculty of Science and Technology,
University of Coimbra, Portugal.
In this case, a diploid crossed with a diploid produced a diploid (26 chromosomes) indicating normal meiosis occurred where each diploid parent contributed a 1x gamete (13 chromosomes). Diploid X diploid yielding diploid is the expected outcome.
Summary of Ploidy Levels
Diploid Rhododendron canescens,
Diploid Rhododendron flammeum,
Diploid Rhododendron flammeum 'Hazel Hamilton',
Diploid 'Canobie Candy',
Diploid One seedling of 'Canobie Candy' X 'Hazel Hamilton'
Source: Joe Bruso
John and Sally Perkins
Dr. João Loureiro, Dr. Silvia Castro, José Cerca, and Mariana Castro
Plant Ecology and Evolution Group,
Centre for Functional Ecology,
Department of Life Sciences,
Faculty of Science and Technology,
University of Coimbra, Portugal.
In this case, a diploid crossed with a diploid produced a diploid (26 chromosomes) indicating normal meiosis occurred where each diploid parent contributed a 1x gamete (13 chromosomes). Diploid X diploid yielding diploid is the expected outcome.
Summary of Ploidy Levels
Diploid Rhododendron canescens,
Diploid Rhododendron flammeum,
Diploid Rhododendron flammeum 'Hazel Hamilton',
Diploid 'Canobie Candy',
Diploid One seedling of 'Canobie Candy' X 'Hazel Hamilton'
Source: Joe Bruso
John and Sally Perkins
H: Wednesday, March 23, 2011
(cumberlandense X arborescens) X calendualceum is a Triploid
Two seedlings of [(Rhododendron cumberlandense X Rhododendron arborescens) X Rhododendron calendulaceum] have been determined to be a triploid using flow cytometry by
Dr. João Loureiro, Dr. Silvia Castro, José Cerca, and Mariana Castro
Plant Ecology and Evolution Group,
Centre for Functional Ecology,
Department of Life Sciences,
Faculty of Science and Technology,
University of Coimbra, Portugal.
Rhododendron cumberlandense and Rhododendron arborescens are diploid species. Rhododendron calendulaceum is a tetraploid species.
In the case of these 2 triploids (39 chromosomes), a diploid crossed with a tetraploid produced a triploid indicating normal meiosis occurred where the diploid contributed a 1x gamete (13 chromosomes) and the tetraploid contributed a 2x gamete (26 chromosomes).
Summary of Ploidy Levels
Diploid Rhododendron cumberlandense,
Diploid Rhododendron arborescens,
Triploid 2 seedlings from [(Rhododendron cumberlandense X Rhododendron arborescens) X Rhododendron calendulaceum],
Tetraploid Rhododendron calendulaceum
Source: Joe Bruso
John and Sally Perkins
Dr. João Loureiro, Dr. Silvia Castro, José Cerca, and Mariana Castro
Plant Ecology and Evolution Group,
Centre for Functional Ecology,
Department of Life Sciences,
Faculty of Science and Technology,
University of Coimbra, Portugal.
Rhododendron cumberlandense and Rhododendron arborescens are diploid species. Rhododendron calendulaceum is a tetraploid species.
In the case of these 2 triploids (39 chromosomes), a diploid crossed with a tetraploid produced a triploid indicating normal meiosis occurred where the diploid contributed a 1x gamete (13 chromosomes) and the tetraploid contributed a 2x gamete (26 chromosomes).
Summary of Ploidy Levels
Diploid Rhododendron cumberlandense,
Diploid Rhododendron arborescens,
Triploid 2 seedlings from [(Rhododendron cumberlandense X Rhododendron arborescens) X Rhododendron calendulaceum],
Tetraploid Rhododendron calendulaceum
Source: Joe Bruso
John and Sally Perkins
H: Wednesday, February 23, 2011
Rhododendron reticulatum is a Diploid
Rhododendron reticulatum has been determined to be a diploid using flow cytometry by
Dr. João Loureiro, Dr. Silvia Castro, José Cerca, and Mariana Castro
Plant Ecology and Evolution Group,
Centre for Functional Ecology,
Department of Life Sciences,
Faculty of Science and Technology,
University of Coimbra, Portugal.
Summary of Ploidy Levels
Diploid Rhododendron reticulatum
Source: Arnold Arboretum Accession Number: 207-87
Source: Joe Bruso
John and Sally Perkins
Dr. João Loureiro, Dr. Silvia Castro, José Cerca, and Mariana Castro
Plant Ecology and Evolution Group,
Centre for Functional Ecology,
Department of Life Sciences,
Faculty of Science and Technology,
University of Coimbra, Portugal.
Summary of Ploidy Levels
Diploid Rhododendron reticulatum
Source: Arnold Arboretum Accession Number: 207-87
Source: Joe Bruso
John and Sally Perkins
H: Thursday, February 17, 2011
Rhododendron dauricum 'Delp's Dwarf' is a Diploid
Rhododendron dauricum 'Delp's Dwarf' has been determined to be a diploid using flow cytometry by
Dr. João Loureiro, Dr. Silvia Castro, José Cerca, and Mariana Castro
Plant Ecology and Evolution Group,
Centre for Functional Ecology,
Department of Life Sciences,
Faculty of Science and Technology,
University of Coimbra, Portugal.
Summary of Ploidy Levels
Diploid Rhododendron dauricum 'Delp's Dwarf'
Source: Joe Bruso
John and Sally Perkins
Dr. João Loureiro, Dr. Silvia Castro, José Cerca, and Mariana Castro
Plant Ecology and Evolution Group,
Centre for Functional Ecology,
Department of Life Sciences,
Faculty of Science and Technology,
University of Coimbra, Portugal.
Summary of Ploidy Levels
Diploid Rhododendron dauricum 'Delp's Dwarf'
Source: Joe Bruso
John and Sally Perkins
H: Thursday, February 10, 2011
Rhododendron sanctum is a Diploid
Rhododendron sanctum has been determined to be a diploid using flow cytometry by
Dr. João Loureiro, Dr. Silvia Castro, José Cerca, and Mariana Castro
Plant Ecology and Evolution Group,
Centre for Functional Ecology,
Department of Life Sciences,
Faculty of Science and Technology,
University of Coimbra, Portugal.
Summary of Ploidy Levels
Diploid Rhododendron sanctum
Source: Joe Bruso
John and Sally Perkins
Dr. João Loureiro, Dr. Silvia Castro, José Cerca, and Mariana Castro
Plant Ecology and Evolution Group,
Centre for Functional Ecology,
Department of Life Sciences,
Faculty of Science and Technology,
University of Coimbra, Portugal.
Summary of Ploidy Levels
Diploid Rhododendron sanctum
Source: Joe Bruso
John and Sally Perkins
H: Saturday, February 05, 2011
Rhododendron kaempferi is a Diploid
Rhododendron kaempferi has been determined to be a diploid using flow cytometry by
Dr. João Loureiro, Dr. Silvia Castro, José Cerca, and Mariana Castro
Plant Ecology and Evolution Group,
Centre for Functional Ecology,
Department of Life Sciences,
Faculty of Science and Technology,
University of Coimbra, Portugal.
Summary of Ploidy Levels
Diploid Rhododendron kaempferi
Source: Joe Bruso
John and Sally Perkins
Dr. João Loureiro, Dr. Silvia Castro, José Cerca, and Mariana Castro
Plant Ecology and Evolution Group,
Centre for Functional Ecology,
Department of Life Sciences,
Faculty of Science and Technology,
University of Coimbra, Portugal.
Summary of Ploidy Levels
Diploid Rhododendron kaempferi
Source: Joe Bruso
John and Sally Perkins
H: Sunday, January 30, 2011
Rhododendron calendulaceum is a Tetraploid
Rhododendron calendulaceum has been determined to be a tetraploid using flow cytometry by
Dr. João Loureiro, Dr. Silvia Castro, José Cerca, and Mariana Castro
Plant Ecology and Evolution Group,
Centre for Functional Ecology,
Department of Life Sciences,
Faculty of Science and Technology,
University of Coimbra, Portugal.
Rhododendron calendulaceum was also determined to be a tetraploid using flow cytometry by Dr. Thomas Ranney, J.R. Jones, and Nathan Lynch.
Summary of Ploidy Levels
Tetraploid Rhododendron calendulaceum,
Tetraploid Rhododendron calendulaceum var. croceum,
Tetraploid Rhododendron calendulaceum 'Cherokee',
Tetraploid Rhododendron calendulaceum 'Smoky Mountaineer'
Source: Longwood Garden Accession Number: 2001-0273-B
Source: Connecticut College Arboretum Accession Number: 80-7-D
Source: Connecticut College Arboretum Accession Number: 81-71-J
Source: Highstead Arboretum Accession Number: 93-80-G
Source: Arnold Arboretum Accession Number: 857-2-A
Source: Audra State Park, West Virginia
Source: Joe Bruso
John and Sally Perkins
Dr. João Loureiro, Dr. Silvia Castro, José Cerca, and Mariana Castro
Plant Ecology and Evolution Group,
Centre for Functional Ecology,
Department of Life Sciences,
Faculty of Science and Technology,
University of Coimbra, Portugal.
Rhododendron calendulaceum was also determined to be a tetraploid using flow cytometry by Dr. Thomas Ranney, J.R. Jones, and Nathan Lynch.
Summary of Ploidy Levels
Tetraploid Rhododendron calendulaceum,
Tetraploid Rhododendron calendulaceum var. croceum,
Tetraploid Rhododendron calendulaceum 'Cherokee',
Tetraploid Rhododendron calendulaceum 'Smoky Mountaineer'
Source: Longwood Garden Accession Number: 2001-0273-B
Source: Connecticut College Arboretum Accession Number: 80-7-D
Source: Connecticut College Arboretum Accession Number: 81-71-J
Source: Highstead Arboretum Accession Number: 93-80-G
Source: Arnold Arboretum Accession Number: 857-2-A
Source: Audra State Park, West Virginia
Source: Joe Bruso
John and Sally Perkins
H: Wednesday, January 26, 2011
Rhododendron arborescens is a Diploid
Rhododendron arborescens has been determined to be a diploid using flow cytometry by
Dr. João Loureiro, Dr. Silvia Castro, José Cerca, and Mariana Castro
Plant Ecology and Evolution Group,
Centre for Functional Ecology,
Department of Life Sciences,
Faculty of Science and Technology,
University of Coimbra, Portugal.
Rhododendron arborescens was also determined to be a diploid using flow cytometry by Dr. Thomas Ranney, J.R. Jones, and Nathan Lynch.
Summary of Ploidy Levels
Diploid Rhododendron arborescens,
Diploid Rhododendron arborescens Pink Form,
Diploid Rhododendron arborescens Yellow Form Gable
Source: Arnold Arboretum Accession Number: 858-Mass
Source: Connecticut College Arboretum
Source: Audra State Park, West Virginia
Source: Joe Bruso
John and Sally Perkins
Dr. João Loureiro, Dr. Silvia Castro, José Cerca, and Mariana Castro
Plant Ecology and Evolution Group,
Centre for Functional Ecology,
Department of Life Sciences,
Faculty of Science and Technology,
University of Coimbra, Portugal.
Rhododendron arborescens was also determined to be a diploid using flow cytometry by Dr. Thomas Ranney, J.R. Jones, and Nathan Lynch.
Summary of Ploidy Levels
Diploid Rhododendron arborescens,
Diploid Rhododendron arborescens Pink Form,
Diploid Rhododendron arborescens Yellow Form Gable
Source: Arnold Arboretum Accession Number: 858-Mass
Source: Connecticut College Arboretum
Source: Audra State Park, West Virginia
Source: Joe Bruso
John and Sally Perkins
H: Tuesday, January 25, 2011
Rhododendron cumberlandense is a Diploid
Rhododendron cumberlandense has been determined to be a diploid using flow cytometry by
Dr. João Loureiro, Dr. Silvia Castro, José Cerca, and Mariana Castro
Plant Ecology and Evolution Group,
Centre for Functional Ecology,
Department of Life Sciences,
Faculty of Science and Technology,
University of Coimbra, Portugal.
Rhododendron cumberlandense was also determined to be a diploid using flow cytometry by Dr. Thomas Ranney, J.R. Jones, and Nathan Lynch.
Summary of Ploidy Levels
Diploid Rhododendron cumberlandense
Source: Arnold Arboretum Accession Number: 419-97-D
Source: Connecticut College Arboretum Accession Number: 81-72-D
Source: Joe Bruso
John and Sally Perkins
Dr. João Loureiro, Dr. Silvia Castro, José Cerca, and Mariana Castro
Plant Ecology and Evolution Group,
Centre for Functional Ecology,
Department of Life Sciences,
Faculty of Science and Technology,
University of Coimbra, Portugal.
Rhododendron cumberlandense was also determined to be a diploid using flow cytometry by Dr. Thomas Ranney, J.R. Jones, and Nathan Lynch.
Summary of Ploidy Levels
Diploid Rhododendron cumberlandense
Source: Arnold Arboretum Accession Number: 419-97-D
Source: Connecticut College Arboretum Accession Number: 81-72-D
Source: Joe Bruso
John and Sally Perkins
H: Sunday, January 23, 2011
Rhododendron molle is a Diploid
Rhododendron molle has been determined to be a diploid using flow cytometry by
Dr. João Loureiro, Dr. Silvia Castro, José Cerca, and Mariana Castro
Plant Ecology and Evolution Group,
Centre for Functional Ecology,
Department of Life Sciences,
Faculty of Science and Technology,
University of Coimbra, Portugal.
Rhododendron molle was also determined to be a diploid using flow cytometry by Dr. Thomas Ranney, J.R. Jones, and Nathan Lynch.
Summary of Ploidy Levels
Diploid Rhododendron molle Orange,
Diploid Rhododendron molle Yellow,
Diploid Rhododendron molle ssp. japonicum,
Diploid Rhododendron molle ssp. molle
Source: Arnold Aboretum
Source: Joe Bruso
Source: George Hibben
Source: Longwood Gardens Accession Number: 1994-0068-B
Source: Kristian Theqvist
John and Sally Perkins
Dr. João Loureiro, Dr. Silvia Castro, José Cerca, and Mariana Castro
Plant Ecology and Evolution Group,
Centre for Functional Ecology,
Department of Life Sciences,
Faculty of Science and Technology,
University of Coimbra, Portugal.
Rhododendron molle was also determined to be a diploid using flow cytometry by Dr. Thomas Ranney, J.R. Jones, and Nathan Lynch.
Summary of Ploidy Levels
Diploid Rhododendron molle Orange,
Diploid Rhododendron molle Yellow,
Diploid Rhododendron molle ssp. japonicum,
Diploid Rhododendron molle ssp. molle
Source: Arnold Aboretum
Source: Joe Bruso
Source: George Hibben
Source: Longwood Gardens Accession Number: 1994-0068-B
Source: Kristian Theqvist
John and Sally Perkins
H: Friday, January 21, 2011
Rhododendron eastmanii is a Diploid
Rhododendron eastmanii has been determined to be a diploid using flow cytometry by
Dr. João Loureiro, Dr. Silvia Castro, José Cerca, and Mariana Castro
Plant Ecology and Evolution Group,
Centre for Functional Ecology,
Department of Life Sciences,
Faculty of Science and Technology,
University of Coimbra, Portugal.
Rhododendron eastmanii was also determined to be a diploid using flow cytometry by Dr. Thomas Ranney, J.R. Jones, and Nathan Lynch.
Summary of Ploidy Levels
Diploid Rhododendron eastmanii
Source: Joe Bruso
John and Sally Perkins
Dr. João Loureiro, Dr. Silvia Castro, José Cerca, and Mariana Castro
Plant Ecology and Evolution Group,
Centre for Functional Ecology,
Department of Life Sciences,
Faculty of Science and Technology,
University of Coimbra, Portugal.
Rhododendron eastmanii was also determined to be a diploid using flow cytometry by Dr. Thomas Ranney, J.R. Jones, and Nathan Lynch.
Summary of Ploidy Levels
Diploid Rhododendron eastmanii
Source: Joe Bruso
John and Sally Perkins
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