TRIPLOIDS: In Cymbidiums

Orchid Doctor

by Robert M. [Bert] Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin over 7 years ago.

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A combination of a diploid and a tetraploid; they are generally the heaviest producers of long spikes of large blooms on quick-growing, strong plants; they are assumed to be sterile; they comprise about 80% of the average commercial grower's stock, with about 15% diploids and 5% tetraploids. OA79-8+
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TRIPLOIDS: In Cattleyas Relative sterility, etc,: diploid pollen on triploid flowers produced a small number of tetraploid progeny; triploid pollen is infertile on another flower; some triploid-diploid matings produce aneuploids for reasons unknown; triploid-diploid matings give 25% chance of producing tetraploids; refer to A67-688 0

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