Genetics of fertility restoration in cytoplasmic male sterile Phaseolus vulgaris L. - 1. Cytoplasmic alteration by a nuclear restorer gene

Sally Mackenzie; M. J. Bassett

doi:10.1007/BF00288864

Genetics of fertility restoration in cytoplasmic male sterile Phaseolus vulgaris L. - 1. Cytoplasmic alteration by a nuclear restorer gene

Sally Mackenzie, M. J. Bassett

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24 Scopus citations

Abstract

Restoration of fertility in cytoplasmic male sterile Phaseolus vulgaris by line R-351 was controlled by a single gene. The restorer gene (Fr) displayed incomplete dominance leading to partial restoration of fertility in F₁ generations; full restoration was not achieved until the F₂ generation. Once full restoration of fertility was produced in the F₂ generation, no segregation for sterility was observed in subsequent generations derived from heterozygotes Frfr, either by testcrossing (restored × maintainer) or in F₃ progenies. Implications of the irreversible nature of this restoration are discussed.

Original language	English (US)
Pages (from-to)	642-645
Number of pages	4
Journal	Theoretical And Applied Genetics
Volume	74
Issue number	5
DOIs	https://doi.org/10.1007/BF00288864
State	Published - Sep 1 1987

All Science Journal Classification (ASJC) codes

Biotechnology
Agronomy and Crop Science
Genetics

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abstract = "Restoration of fertility in cytoplasmic male sterile Phaseolus vulgaris by line R-351 was controlled by a single gene. The restorer gene (Fr) displayed incomplete dominance leading to partial restoration of fertility in F1 generations; full restoration was not achieved until the F2 generation. Once full restoration of fertility was produced in the F2 generation, no segregation for sterility was observed in subsequent generations derived from heterozygotes Frfr, either by testcrossing (restored × maintainer) or in F3 progenies. Implications of the irreversible nature of this restoration are discussed.",

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N2 - Restoration of fertility in cytoplasmic male sterile Phaseolus vulgaris by line R-351 was controlled by a single gene. The restorer gene (Fr) displayed incomplete dominance leading to partial restoration of fertility in F1 generations; full restoration was not achieved until the F2 generation. Once full restoration of fertility was produced in the F2 generation, no segregation for sterility was observed in subsequent generations derived from heterozygotes Frfr, either by testcrossing (restored × maintainer) or in F3 progenies. Implications of the irreversible nature of this restoration are discussed.

AB - Restoration of fertility in cytoplasmic male sterile Phaseolus vulgaris by line R-351 was controlled by a single gene. The restorer gene (Fr) displayed incomplete dominance leading to partial restoration of fertility in F1 generations; full restoration was not achieved until the F2 generation. Once full restoration of fertility was produced in the F2 generation, no segregation for sterility was observed in subsequent generations derived from heterozygotes Frfr, either by testcrossing (restored × maintainer) or in F3 progenies. Implications of the irreversible nature of this restoration are discussed.

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Genetics of fertility restoration in cytoplasmic male sterile Phaseolus vulgaris L. - 1. Cytoplasmic alteration by a nuclear restorer gene

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