The main objective of the current research was to study the reproductive behaviour of artificial triploid potato hybrids between wild Solanum commersonii and the cultivated potato Solanum tuberosum. When used in 3x 6 2x crosses, triploids gave aneuploid progenies with somatic chromosome number ranging from 29 to 36. Fertilization fitness data suggested that the survival rate of gametes produced by the triploid parents may be related to their chromosome number. In addition, consistent with molecular data, our results indicated that fitness of gametes and chromosome number of progenies are influenced by the genome dosage of interspecific triploids. Since a main route to polyploidy formation is via 2n gametes and triploids, our study may contribute to a better understanding of polyploid plant reproduction, evolution and breeding.

Fertilization fitness and offspring ploidy in 3x x 2x matings in potato / Iorizzo, Massimo; Aversano, Riccardo; Bradeen, J. M.; Frusciante, Luigi; Carputo, Domenico. - In: PLANT BIOSYSTEMS. - ISSN 1724-5575. - 146:2(2011), pp. 317-321. [10.1080/11263504.2011.620640]

Fertilization fitness and offspring ploidy in 3x x 2x matings in potato.

IORIZZO, MASSIMO;AVERSANO, RICCARDO;FRUSCIANTE, LUIGI;CARPUTO, DOMENICO
2011

Abstract

The main objective of the current research was to study the reproductive behaviour of artificial triploid potato hybrids between wild Solanum commersonii and the cultivated potato Solanum tuberosum. When used in 3x 6 2x crosses, triploids gave aneuploid progenies with somatic chromosome number ranging from 29 to 36. Fertilization fitness data suggested that the survival rate of gametes produced by the triploid parents may be related to their chromosome number. In addition, consistent with molecular data, our results indicated that fitness of gametes and chromosome number of progenies are influenced by the genome dosage of interspecific triploids. Since a main route to polyploidy formation is via 2n gametes and triploids, our study may contribute to a better understanding of polyploid plant reproduction, evolution and breeding.
2011
Fertilization fitness and offspring ploidy in 3x x 2x matings in potato / Iorizzo, Massimo; Aversano, Riccardo; Bradeen, J. M.; Frusciante, Luigi; Carputo, Domenico. - In: PLANT BIOSYSTEMS. - ISSN 1724-5575. - 146:2(2011), pp. 317-321. [10.1080/11263504.2011.620640]
File in questo prodotto:
File Dimensione Formato  
2012 Iorizzo_Plant Biosys.pdf

accesso aperto

Tipologia: Documento in Post-print
Licenza: Accesso privato/ristretto
Dimensione 229.86 kB
Formato Adobe PDF
229.86 kB Adobe PDF Visualizza/Apri

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11588/373054
Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus 2
  • ???jsp.display-item.citation.isi??? 2
social impact