CHROMOSOME NUMBERS: For Species and Hybrids

Orchid Doctor Propagation

by Robert M. [Bert] Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin about 4 years ago.

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Chromosomes Comments
CHROMOSOME NUMBERS: Dendrobiums At Kew 62 species recently acquired from Papua-New Guinea; refer to the list, A85-1122; for miscellaneous species, refer to A85-1235 0
CHROMOSOME NUMBERS: For Bulbophyllums 55 species at Kew listed with origin and 2n. A85-190 0
CHROMOSOME NUMBERS: For Phragmipedium Hybrids Diploidy and polyploidy. A83-933 0
CHROMOSOME NUMBERS: Importance They are significant for cymbidiums, but not for others such as paphiopedilums, for breeding purposes. OA78-17 0
CHROMOSOMES: Changes in 1987 A review of recent events and efforts to conserve wild orchids; improvements in the face of rapacious exploitation suggested, refer to A88-31 0
CHROMOSOMES: Failure The Convention qualifies as the biggest fraud as applied to plants since Prohibition in the U.S.; it has probably killed more plants than it has saved; originally written for protection of animals, it does not work well for plants as it ignores the more dangerous problem of habitat destruction. OIE87Jy-6 0
CHROMOSOMES: Is it Effective? The greatest threats are Japan, Belgium and Holland which have not signed the treaty; until they ratify it they will remain the worst importers of wild species. OA86-64 0
CHROMOSOMES: Pros and Cons An argument against its policies or provisions and stating the program needs to be re-evaluated; refer to A88-30 0
CHROMOSOMES: Variation in Numbers A review; change and polyploidy; polyploidy and improvements in plants, other information, refer to OR81-169; OR82-368; OR87-139 0

New Topics

  1. John Small asked question Lady Bug or dangerous bug in category General Discussion
  2. John Small asked question Paper Wasp? in category General Discussion
  3. Sharie Heckaman started topic Photos of plants in category General Discussion
  4. Roberto Lizama started topic Orchid identification in category General Discussion
  5. Roberto Lizama asked question Help to idenficate this orchid in category General Discussion

New Comments

  1. Edward Zapata commented on topic "Lady Bug or dangerous bug" by John Small
  2. Carol Holdren commented on member plant Phal. buyssoniana by Robert Oceans
  3. Mary Lane commented on member plant Fdk. After Dark 'SVO Black Pearl FCC/AOS; CCE/AOS' by William Gorski
  4. John Small commented on topic "Paper Wasp?" by John Small
  5. Lauren Hutchison commented on topic "Help to idenficate this orchid" by Roberto Lizama
  6. Carol Holdren commented on member plant Phal. Timothy Christopher by Vickie Seibert
  7. Carol Holdren commented on topic "Photos of plants " by Sharie Heckaman
  8. Carol Holdren commented on member plant C. Ronald Fonseca var. Compact 'SVO' by Vickie Seibert
  9. Roberto Lizama commented on member plant Ntl. bicolor by Roberto Lizama
  10. Carol Holdren commented on member plant Gra. stapeliiflora var. Waki by Melvin Waki
  11. Vickie Seibert commented on member plant Phal. Anna-Larati Soekardi 'Wilson' by Vickie Seibert
  12. Carol Holdren commented on member plant Rrm. Spunky by Melvin Waki
  13. Charles Vella commented on topic "Orchid list Cold/Warm" by Charles Vella
  14. Sandi Block-Brezner commented on topic "Brassocattleya hybrid?" by Sandi Block-Brezner
  15. Robert H. Findlay commented on topic "looking for info about an unregistered cattleya" by bob lewis
  16. james Hu commented on orchid Den. vannouhuysii
  17. Chase Hubbard commented on member plant Hknsa. Sogo Doll by Tom Kuligowski
  18. Colin Campbell commented on topic "Can anyone identify this orchid?" by Jan E Teitsworth
  19. Carol Holdren commented on member plant Lc. Memory of PienPien Wei by Robert Rand
  20. Robert Rand commented on member plant Bc. Yellow Bird by John Small