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  • 1
    Electronic Resource
    Electronic Resource
    Utilization of wild relatives in the genetic improvement of Arachis hypogaea L. (1986)
    Springer
    Theoretical and applied genetics 72 (1986), S. 433-439 
    Details
    ISSN: 1432-2242
    Keywords: Arachis ; Amphidiploids ; Genomes ; Chromosome pairing ; Recombinations
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Synthetic amphidiploids were established in 32 combinations involving 8 diploid wild species representing both A and B genomes of section Arachis. Bivalent and multivalent associations in the amphidiploids of 7 A genome species confirm that these species have identical genomes. Contrastingly, high bivalent frequencies in amphidiploids involving the A and B genome species suggest that A. batizocoi has a distinct ‘B’ genome that is partially homologous to the other genome ‘A’ represented in the rest of the species. Crossability, chromosome pairing and pollen and pod fertility in hybrids between A. hypogaea and amphidiploids have revealed that these amphidiploids can be used as a genetic bridge for the transfer of genes from the wild species into the cultivated groundnut.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00289523
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Putative genome donors ofArachis hypogaea (Fabaceae), evidence from crosses with synthetic amphidiploids (1988)
    Springer
    Plant systematics and evolution 160 (1988), S. 143-151 
    Details
    ISSN: 1615-6110
    Keywords: Angiosperms ; Fabaceae ; Arachis hypogaea ; Amphidiploids ; chromosome pairing ; genome ; putative ancestors
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Chromosome pairing, pollen and pod fertility in hybrids between cultivated tetraploidArachis hypogaea and 15 synthetic amphidiploids from 8 diploid species (7 of the A genome and 1 of the B genome) of sect.Arachis have been utilized for the identification of putative genome donors in the evolution of cultivatedA. hypogaea. These results, in conjunction with evidence from morphological similarities, phytogeographical distribution and some phytochemical features, confirm the segmental amphidiploid origin ofA. hypogaea. A. batizocoi andA. duranensis are suggested as the donors of the B genome and the A genome respectively.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00936041
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    Paper (German National Licenses)
    Fulltext
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