Gene Details

Gene Locus Name Chromosome Arm Marker type
Xa Xanthophyllic 10 L Morph
Allele Allele Name Synonyms Source Notes Phenotype Category/Primary
-- Xa-1 SPON Butler 1952 J Hered 43:25. Cotyledons and leaves always distinguished from normal by yellow color, which, however, varies with the light intensity; under diffuse light or short day conditions, plants are light green, but under more intense light, plants become bright yellow, the light green plants growing and setting fruit better than the yellow ones; homozygous lethal, having bright yellow color, becoming white, shorter hypocotyl, and narrow cotyledons, and dying before two weeks old.
Chlorophyll deficiency: yellow or yellowish Yes
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