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Uses of the ph1 mutants as a genetic tool for wheat breeding

AuthorsRey-Santomé, María Dolores ; Calderón, M. Carmen ; Prieto, Pilar
Issue DateJun-2013
PublisherSichuan Agricultural University
National Natural Science Foundation of China
Citation7th International Triticeae Symposium (2013)
AbstractThe introgression of generic material from wild relatives into wheat germplasm is a classical and effective approach for broadening the genetic basis of this crop. Wheat is an allopolyploid which has two or more sets of related chromosomes (A, B and F genomes) as the result of doubling chromosomes following sexual hybridization between closely related species. Despite their genome complexity, wheat behaves as diploids durin meiosis (each chromosome only pairs with its identical, homologue, and not with related or homeoelogous chromosomes). Therefore the hybridization between polyploid or low level of pairing and recombination between wheat chromosomes and those from the wild relative species. The mayor factor preventing pairing between wheat and wild species chromosomes is the Ph1 locus.
DescriptionPonencia presentada en el 7th International Triticeae Symposium celebrado en Chengdu Sichuan (China) del 9 al 13 de junio de 2013.
Appears in Collections:(IAS) Comunicaciones congresos
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