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INHERITANCE OF PANSY-LIP IN DENDROBIUM

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A peloric form of the labellum or lip of Dendrobium appeared in a hybrid registered by D'Bush Nursery of Australia as Dendrobium D'Bush Pansy in 1988. Unlike the typical lip of Dendrobium , the lip of D'Bush Pansy is similar to the two lateral sepals, and the flat petals and sepals resemble those of the pansy, hence the name D'Bush Pansy. A few seedlings of D'Bush Pansy were obtained from Australia through Bangkok Flowers in 1989. D'Bush Pansy crossed to several Dendrobium plants with normal lip produced offspring with normal lip, indicating that pansy-lip is recessive to normal-lip. Three F 1 offspring backcrossed to the pansy-lip parent produced 1:1 ratios, and one F 2 progeny segregated into 3 normal-lip: 1 pansy-lip. Thus, pansylip is controlled by a single recessive gene pair.
American Society for Horticultural Science
Title: INHERITANCE OF PANSY-LIP IN DENDROBIUM
Description:
A peloric form of the labellum or lip of Dendrobium appeared in a hybrid registered by D'Bush Nursery of Australia as Dendrobium D'Bush Pansy in 1988.
Unlike the typical lip of Dendrobium , the lip of D'Bush Pansy is similar to the two lateral sepals, and the flat petals and sepals resemble those of the pansy, hence the name D'Bush Pansy.
A few seedlings of D'Bush Pansy were obtained from Australia through Bangkok Flowers in 1989.
D'Bush Pansy crossed to several Dendrobium plants with normal lip produced offspring with normal lip, indicating that pansy-lip is recessive to normal-lip.
Three F 1 offspring backcrossed to the pansy-lip parent produced 1:1 ratios, and one F 2 progeny segregated into 3 normal-lip: 1 pansy-lip.
Thus, pansylip is controlled by a single recessive gene pair.

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