| Colchicine | Comments |
|---|---|
| COLCHICINE: And Cymbidiums Conversion rate to higher ploidy is more common than with other genera; the selection criteria is most important. AU80-49; FR90; OA78-16 | 0 |
| COLCHICINE: And Dendrobiums Doubling chromosomes in meristem culture; percent of concentrations required; number of days to induce doubling of chromosomes; other data; refer to NH73(2)-12+ | 0 |
| COLCHICINE: And Production of Tetraploids High quality tetraploid cymbidiums, many already awarded now exist; probably induced by the judicious use of colchicine; breeding possibilities from them are great. AU75-190+; AU79-145; AU79-195+ | 0 |
| COLCHICINE: And Vandas Induction of polyploidy; 0.1% of solution used in test; 29% of plantlets converted to tetraploid. NH73(2)19 | 0 |
| COLCHICINE CONVERSION: In the Future To provide an available bank of high class breeding clones in cymbidiums; in cattleyas, to convert triploids to hexaploids (poor plants) for back crossing to tetraploids to achieve 5N or pentaploids, the new way. AU79-196 | 0 |
| COLCHICINE: In Cymbidiums A common laboratory mutagen it can be used on sterile plant materials to double the number of chromosomes; the present confusion about conversion analyzed; refer to OR81-171 | 0 |
| COLCHICINE: Results to Date Results of use for conversion are not consistent or concrete; untreated seedlings give just as good results as treated ones; it is limited to the extent that it can occasionally produce larger flowers at the expense of other factors. AU79-139+; refer to OB1-192 | 0 |
| COLCHICINE: Used to Change the Ploidy of Clones A problem arises in reconciling the identification of the new chemically treated result with the original clone; some growers designate the new result with "4N", but the new clone may not be tetraploid. OA77-44+; OA77-47+; OA77-82 | 0 |
| COLCHICINE: What it Is A chemical extracted from the autumn crocus; it inhibits formation of wall matter between two cells giving cells with double normal number of chromosomes. A78-606; comparative experiment reviewed; refer to A63-885+; for other sources on its use on orchids, refer to A59-838 | 0 |