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1964•American Journal of BotanyRequires access

THE REPRODUCTIVE BIOLOGY OF OXALIS PRICEAE

David L. Mulcahy

Open publisher page 46 citations

Abstract

A genetic study of Oxalis priceae indicates that flower form is under the control of 2 loci. Long is homozygous recessive at both loci. Mid is dominant to long and is determined by either 1 or 2 dominant “M” alleles. Short is epistatic to mid. When selfed, mid produces fewer surviving offspring than do long and short. The data indicate that mid will survive in an outbreeding population but may be unable to compete if extensive inbreeding prevails. Evidence for, and causes of, inbreeding are discussed.

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What this paper is about

A genetic study of Oxalis priceae indicates that flower form is under the control of 2 loci. Long is homozygous recessive at both loci. Mid is dominant to long and is determined by either 1 or 2 dominant “M” alleles. Short is epistatic to mid. When selfed, mid produces fewer surviving offspring than do long and short. The data indicate that mid will survive in an outbreeding population but may be unable to compete if extensive inbreeding prevails. Evidence for, and causes of, inbreeding are discussed.

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Available abstract

A genetic study of Oxalis priceae indicates that flower form is under the control of 2 loci. Long is homozygous recessive at both loci. Mid is dominant to long and is determined by either 1 or 2 dominant “M” alleles. Short is epistatic to mid. When selfed, mid produces fewer surviving offspring than do long and short. The data indicate that mid will survive in an outbreeding population but may be unable to compete if extensive inbreeding prevails. Evidence for, and causes of, inbreeding are discussed.

Key concepts: Biology, Outbreeding depression, Inbreeding, Epistasis, Population, Offspring, Genetics, Outcrossing

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