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  • Protoplast fusion  (2)
  • (phenoxy)cyclotriphosphazene  (1)
  • Springer  (3)
  • 1
    Electronic Resource
    Electronic Resource
    Allotetraploid hybrids between citrus and seven related genera produced by somatic hybridization (1996)
    Springer
    Theoretical and applied genetics 92 (1996), S. 577-582 
    Details
    ISSN: 1432-2242
    Keywords: Key words  Citrus cultivar improvement ; Germ plasm expansion ; Protoplast fusion
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract   We have developed an efficient protoplast-fusion method to produce somatic hybrid allopolyploid plants that combine Citrus with seven related genera, including four that are sexually incompatible. In this paper we report the creation of 18 new allotetraploid hybrids of Citrus, including ten among sexually incompatible related genera, that may have direct cultivar potential as improved citrus rootstocks. All hybrids were confirmed by cytological and RAPD analyses. If fertile, the attributes of these hybrids may be amenable to further genetic manipulation by breeding at the tetraploid level. Wide somatic hybridization of Citrus via protoplast fusion bypasses biological barriers to the natural allopolyploidization of Citrus, and creates new evolutionary opportunities that would be difficult or impossible to achieve by natural or conventional hybridization.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001220050166
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  • 2
    Electronic Resource
    Electronic Resource
    Allotetraploid hybrids between citrus and seven related genera produced by somatic hybridization (1996)
    Springer
    Theoretical and applied genetics 92 (1996), S. 577-582 
    Details
    ISSN: 1432-2242
    Keywords: Citrus cultivar improvement ; Germ plasm expansion ; Protoplast fusion
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract We have developed an efficient protoplast-fusion method to produce somatic hybrid allopolyploid plants that combine Citrus with seven related genera, including four that are sexually incompatible. In this paper we report the creation of 18 new allotetraploid hybrids of Citrus, including ten among sexually incompatible related genera, that may have direct cultivar potential as improved citrus rootstocks. All hybrids were confirmed by cytological and RAPD analyses. If fertile, the attributes of these hybrids may be amenable to further genetic manipulation by breeding at the tetraploid level. Wide somatic hybridization of Citrus via protoplast fusion bypasses biological barriers to the natural allopolyploidization of Citrus, and creates new evolutionary opportunities that would be difficult or impossible to achieve by natural or conventional hybridization.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00224561
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Syntheses and thermal properties of (sulfonylbisphenoxy)-containing cyclotriphosphazene polymers (1992)
    Springer
    Journal of inorganic and organometallic polymers and materials 2 (1992), S. 243-254 
    Details
    ISSN: 1572-8870
    Keywords: 4,4′-Sulfonylbisphenol ; (phenoxy)cyclotriphosphazene ; cyclolinear phosphazene polymer ; cyclomatrix phosphazene polymer ; heat and fire resistant
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract A (sulfonylbisphenoxy)-containing cyclotriphosphazene polymer system has been prepared by polycondensation of (phenoxy)chlorocyclotriphosphazene and 4,4′-sulfonylbisphenol. The syntheses by polycondensation using sodium salt of 4,4′-sulfonylbisphenol and by interfacial polycondensation were carried out for comparison. The characterization, thermal stability, and fire resistance of the synthesized polymers were studied. Thermogravimetric analysis showed that the polymers prepared were stable to above 400°C in nitrogen and exhibited high char contents at elevated temperature. The result indicated that the presence of a sulfonyl group was helpful for enhancing thermal stability and the presence of a phosphphazene ring was the cause of the high char residue at elevated temperature.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00696550
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    Paper (German National Licenses)
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