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- Title
Interspecific Hybrids Between Pelargonium × hortorum and Species From P. Section Ciconium Reveal Biparental Plastid Inheritance and Multi-Locus Cyto-Nuclear Incompatibility.
- Authors
Breman, Floris C.; Snijder, Ronald C.; Korver, Joost W.; Pelzer, Sieme; Sancho-Such, Mireia; Schranz, M. Eric; Bakker, Freek T.
- Abstract
The genetics underlying Cyto-Nuclear Incompatibility (CNI) was studied in Pelargonium interspecific hybrids. We created hybrids of 12 closely related crop wild relatives (CWR) with the ornamental P. × hortorum. Ten of the resulting 12 (F1) interspecific hybrids segregate for chlorosis suggesting biparental plastid inheritance. The segregation ratios of the interspecific F2 populations show nuclear interactions of one, two, or three nuclear genes regulating plastid function dependent on the parents. We further validated that biparental inheritance of plastids is common in section Ciconium , using diagnostic PCR primers. Our results pave the way for using the diverse species from section Ciconium , each with its own set of characteristics, as novel sources of desired breeding traits for P. × hortorum cultivars.
- Subjects
PELARGONIUMS; HEREDITY; DIAGNOSTIC use of polymerase chain reaction; SPECIES; PLANTS
- Publication
Frontiers in Plant Science, 2020, Vol 11, pN.PAG
- ISSN
1664-462X
- Publication type
Article
- DOI
10.3389/fpls.2020.614871