The Orchid Doctor Articles under the Heading Sex Determination

Sex Determination Comments
SEX DETERMINATION: Of Cattleya Plants Using a sex indicator as used to determine sex of chicken eggs (inch-and-a-half metallic cone, or needle) attached to long silk thread, cattleya plants registered as either "male" or "female" consistently through several tests; all presumably diploids, no triploids tested; significance for breeding unknown. A64-101; 1051 0

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