TETRAPLOIDS: In Cymbidiums

Orchid Doctor Propagation

by Robert M. [Bert] Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin almost 6 years ago.

Article Blog   Article Index
"4n's" have advantages and disadvantages for the orchid world; the colchicine-converted ones have caused a lot of confusion in the orchid world; refer to OR81-169

They are the heaviest producers of long spikes of large blooms on quick-growing strong plants; flowers become thicker in tissue, with wider petals including lip and column; an illusion of greater size; racemes shorter and fatter cause a less attractive arrangement of flowers on them; fewer flowers per spike. OA79-8

Share on Social Media:  
Log in to Add a Comment

More The Orchid Doctor Articles under the Heading Tetraploids

Tetraploids Comments
TETRAPLOIDS: Chance, in Cymbidiums A prolific source of these has been through the mass tissue culture process of recent years which has produced many sports. A78-1022; thousands of them are a complete failure as parents. AU79-139 0
TETRAPLOIDS: Converted, in Cymbidiums In 1966 Donald Wimber presented a paper on the conversion of diploids into tetraploids by use of colchicine; many plants are now available. A78-1022; refer to AU80-109+They never revert to the diploid. OA75-214 0
TETRAPLOIDS: Cymbidiums A comparison with diploids: the tetraploid flower is bigger, the petals and sepals wider, so is the column; the shape is improved; the tissue of all parts is thicker and color is thereby intensified; better reflection of light results from heavier substance; spikes and stems are heavier and stronger; flowers have longer life on or off the stem, with or without water; they suffer less damage from handling and shipping. OA78-23 0
TETRAPLOIDS: Meaning A clone in which the chromosome count is four times the haploid or standard number; generally indicated by 4n. AU78-47 0

New Topics

  1. Linda Francis asked question Plant in category General Discussion
  2. Mark Kaczynski asked question Looking for Dendrobium Jac-Hawaii 'Uniwai Pearl' in category General Discussion
  3. Angela Baxter started topic Catt. walkeriana in category Cattleya Alliance
  4. Luis Imatani asked question RLC/ LC Large flowered hybrids in category General Discussion
  5. Bill Overton asked question Phrag. Panther Run in category General Discussion

New Comments

  1. Edward Zapata commented on member plant Cym. Baltic Dew 'Freckle Face' by Edward Zapata
  2. Robert Rand commented on topic "Looking for Dendrobium Jac-Hawaii 'Uniwai Pearl'" by Mark Kaczynski
  3. Steven Kirincich commented on member plant Eny. Exotic Seashell by Steven Kirincich
  4. Carol Holdren commented on topic "Catt. walkeriana" by Angela Baxter
  5. Gonzalo Rotondaro commented on member plant Cattleya (Sophronitis) cerna by Laura Urban
  6. Steven Kirincich commented on member plant Lc. Little Oliver by Steven Kirincich
  7. Robert Rand commented on member plant Alcra. Winter Wonderland 'White Fairy' by Robert Rand
  8. Thuong Do commented on member plant Schom. tibicinis by Edward Zapata
  9. Bill Overton commented on topic "diseases" by Penny Edwards
  10. William Gorski commented on topic "Orchid Species: Vanda falcata h.v. Ryunotsume" by William Gorski
  11. Stefan Neher commented on topic "Stale Data" by Stefan Neher
  12. Susan Fairbairn commented on topic "diseases" by Penny Edwards
  13. Robert H. Findlay commented on topic "seed vs. pollen parent " by Robert H. Findlay
  14. Carol Holdren commented on topic "Photo of MaryAnn Coyle or Laura Ann Coyle" by Dana Coyle
  15. Mary Lane commented on member plant Dendrobium QT Makani by Mary Lane
  16. Brandy France commented on member plant Chz. Hsinying Pink Doll 'Hsinyijng' by Adam Almeida
  17. Roberto Lizama commented on topic "Help to ID" by Roberto Lizama
  18. Carol Holdren commented on topic "Brsdm GILDED URCHIN ONTARIO ORCHID" by Diana King
  19. Carol Holdren commented on topic "Compact DEN SUPERBUM ORCHID MINEATURE " by Diana King
  20. Pam Lipscomb commented on member plant Blc. Oconee 'Mendenhall' by Jeanne Uzar Hudson