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Journal of Heredity Advance Access published online on June 29, 2007
Journal of Heredity, doi:10.1093/jhered/esm046
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© The American Genetic Association. 2007. All rights reserved. For permissions, please email: journals.permissions@oxfordjournals.org.

Brief Communications

Genetic Control of Albinism in Pickerelweed (Pontederia cordata L.)

Lyn A. Gettys, and David S. Wofford

Department of Agronomy Plant Genetics and Breeding, University of Florida IFAS, 304 Newell Hall, Box 110500, Gainesville, FL 32611-0500

Address correspondence to L. Gettys at UF/CAIP, 7922 NW 71 Street, Gainesville FL 32653, or e-mail: lgettys{at}ufl.edu.

Pickerelweed (Pontederia cordata L.) is a diploid (2n = 2x = 16) perennial aquaphyte. Preliminary studies revealed that a group of nonalbino pickerelweed plants maintained for breeding and inheritance studies regularly produced albino seedlings. The objective of this experiment was to determine the number of loci, number of alleles, and gene action controlling albinism in pickerelweed. Five nonalbino parental lines were used in this experiment to create S1 and F1 populations. F2 populations were produced through self-pollination of F1 plants. Evaluation of S1, F1, and F2 generations allowed us to identify a single diallelic locus controlling albinism in these populations of pickerelweed, with albinism completely recessive to normal green leaf production. We propose that this locus be named albino with alleles A and a.

Corresponding Editor: Susan Gabay-Laughnan

Received July 26, 2006
Accepted May 14, 2007


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