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The Journal of Heredity 1997:88(6):559-560
© 1997 The American Genetic Association 88:559-560

other

Inheritance of a White Flower Mutant in Kenaf

C. G. Cook, and G. S. Banuelos

USDA-ARS, Subtropical Agricultural Researth Laboratory 2413 East Highway 83, Weslaco, TX 78596
USDA-ARS, Water Management Research Laboratory Fresno, California

Corresponding Editor: David B. Wagner

Abstract

A single kenaf plant with smaller than normal, white colored flowers was observed and selected from Pl 324922 (Iran) in 1990 at a winter seed increase nursery in Mexico. Subsequent plantings of the mutant plant resuited in a homogeneous population of white flowered plants, designated as PVWF-90. To determine the mode of inheritance of the mutant white flower trait, crosses were made between PVWF-90 and two normal, yellow flowered kenaf cultivass, Tainung 2 and 117. Segregation of flower color fit a 3: 1 normal-to-mutant ratio in F2 progeny and 1:1 normal-to-mutant ratio in progeny resulting from a single backcross to PVWF-90. The mutant white flower phenotype. which is described for the first time, was controlled by a single recessive allele, designated wf Because the white flower character is qualitatively inherited by a single, recessive gene and is easy to identify visually, it should be valuable as a genetic marker for linkage studies and investigations of floral color in kenaf.


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