Acta Agronomica Hungarica
Volume/Issue:
Volume 59: Issue 3
Development of synthetic amphiploids based on Triticum turgidum × T. Monococcum crosses to improve the adaptability of cereals
Authors:
M. MegyeriAgricultural Research Institute of The Hungarian Academy of Sciences Martonvásár Hungary

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P. MikóAgricultural Research Institute of The Hungarian Academy of Sciences Martonvásár Hungary

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I. MolnárAgricultural Research Institute of The Hungarian Academy of Sciences Martonvásár Hungary

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G. KovácsAgricultural Research Institute of The Hungarian Academy of Sciences Martonvásár Hungary

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Pages:
267–274
Online Publication Date:
06 Oct 2011
Publication Date:
01 Sep 2011
Article Category:
Research Article
DOI:
https://doi.org/10.1556/AAgr.59.2011.3.11
Keywords:
Triticum monococcum L. ssp. monococcum; Triticum turgidum L.; synthetic amphiploid; crossability; interspecific hybridization
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Cultivated einkorn (Triticum monococcum L. ssp. monococcum) is an excellent source of resistance against several wheat diseases and quality parameters. Semi-dwarf einkorn lines with good crossability were identified in order to produce Triticum turgidum × T. monococcum synthetic amphiploids. Two combinations were used to develop the amphiploids: durum × einkorn and emmer × einkorn.After the genome duplication of F1 seeds, highly fertile amphiploids were developed. The AuBAm genome structure of the progenies was confirmed by genomic in situ hybridization (GISH).Lines derived from durum × einkorn and emmer × einkorn crosses were studied for agronomic performance, disease resistance and genetic variability. Both amphiploid combinations showed excellent resistance against certain wheat diseases (leaf rust, powdery mildew), but not against fusarium. The durum-based synthetic amphiploid lines showed a higher level of phenotypic diversity. The newly produced T. turgidum × T. monococcum synthetic hexaploids are promising genetic resources for wheat breeding. Selected durum × einkorn lines are currently used in bread wheat improvement to transfer the useful properties of einkorn into cultivated hexaploid wheat via ‘bridge-crossing’.

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Cover Acta Agronomica Hungarica
Acta Agronomica Hungarica
Print ISSN:
0238-0161
Online ISSN:
1588-2527

Acta Agronomica Hungarica
Language English
Russian
German
French
Size  
Year of
Foundation		 1950
Publication
Programme		 ceased
Volumes
per Year		  
Issues
per Year		  
Founder Magyar Tudományos Akadémia   
Founder's
Address		 H-1051 Budapest, Hungary, Széchenyi István tér 9.
Publisher Akadémiai Kiadó
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
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Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 0238-0161 (Print)
ISSN 1588-2527 (Online)

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