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The albino genetic characteristic is a lethal condition in the post-seedling stage in plants. Although, it is an undesirable genetic characteristic, it is however an interesting genetic condition that can be utilized as a good practical genetic exercise for plant genetic and breeding courses. In this study, four commercial hybrid varieties of Hemerocallis were crossed as followed: A) “Stella D'ora” (with light orange flower) × “Happy Return” (with yellow flower); B) “Dark-eyed Magic” (purple with pink/cream variegated flower) × “Stella D'ora” (yellow flower). The seeds from these crosses were harvested and germinated in a plastic flat containing metromix 500 soil medium and placed under greenhouse condition. The germination of the seeds from each of the crosses resulted in the expression of green and albino seedlings in the F 2 ; showing the typical Mendelian segregation of a dihybrid cross. Green was found to be dominant to albino. All the albino seedlings withered and died 2 weeks after germination. All four commercial hybrid varieties are carrier of the albino recessive gene.

427 Inheritance of the Albino Trait in Daylily