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Male sterility in populations of Daucus and the development of alloplasmic male‐sterile lines of carrot
Author(s) -
Nothnagell T.,
Straka P.,
Linke B.
Publication year - 2000
Publication title -
plant breeding
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.583
H-Index - 71
eISSN - 1439-0523
pISSN - 0179-9541
DOI - 10.1046/j.1439-0523.2000.00470.x
Subject(s) - daucus carota , sterility , biology , cytoplasmic male sterility , subspecies , botany , genetics , phenotype , gene , zoology
A collection of Daucus species and subspecies, as well as alloplasmic carrot lines were evaluated for expression of male sterility. More than 100 male‐sterile plants were identified and their phenotypes and partial genetic background were characterized. Three potentially new cytoplasmic male‐sterile systems based on the cytoplasm of Daucus carota (D. c.) gummifer, D. c. maritimus and D. c. gadecaei were selected. Genetic analyses suggested that a nuclear‐cytoplasmic interaction determined the male sterility of the three sources. A clear differentiation between the new sources and carrot cultivars was possible based on the phenotypic and molecular genetic relationships.