ISHS Acta Horticulturae 272: Symposium on Bedding and Pot Plant Culture
GENETICS OF ORANGE FLOWER COLOR IN PELARGONIUM X HORTORUM |
| Authors: | S. Pan, J. Bacher, Lowell C. Ewart |
| Abstract:
Five genes are hypothesized to control orange flower color. They are P, Or, Sa, W and I. The recessive oror with the dominant P, Sa, W and recessive ii gives orange flower color. The W gives colored flowers, and ww gives white. The homozygous recessive w is epistatic to all other genes. The I dilutes and ii intensifies the flower color in the presence of dominant Sa. The Or, I and an allele sa have not previously been identified. The anthocyanin analysis results showed that the orange flowered phenotype containing only pelargonidin. | |
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