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  • Tulipa  (3)
  • Leiostemones  (1)
  • Springer  (3)
  • 1990-1994  (3)
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Keywords
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  • Springer  (3)
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Interspecific crosses between Tulipa gesneriana cultivars and wild Tulipa species: a survey (1991)
    Springer
    Sexual plant reproduction 4 (1991), S. 1-5 
    Details
    ISSN: 1432-2145
    Keywords: Tulipa ; Tulip ; Interspecific hybridization ; Incongruity ; Breeding
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Interspecific crosses were made between 76 Tulipa gesneriana cultivars and 28 botanical Tulipa species. Tulipa gesneriana proved fully congruent (all cross-combinations giving hybrid progeny) with members of the subsection Gesnerianae, was moderately affiliated (50% of all cross-combinations giving hybrid progeny) with representatives of the subsection Eichleres, and was found to be incongruent with most other Tulipa species (except T. stapfii of the subsection Oculussolis). Relationships between T. gesneriana and some representatives of the subsection Eichleres were addressed in more detail. Seeds were harvested in all cross-combinations, but the number of seeds depended on the T. gesneriana cultivar used as the female partner. Apparently, the maternal genotype did affect pre- or post-fertilization processes. T. gesneriana was not crossable with T. kaufmanniana of the subsection Spiranthera. In this specific case, however, a bridge cross was used to overcome incongruity. For this, T. kaufmanniana was first combined with T. greigii, and the hybrid was subsequently crossed with T. gesneriana. These results demonstrate possibilities for interspecific cross-combinations in tulips and have offered opportunities for the introduction of desired new traits in the cultivated tulip.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00194563
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  • 2
    Electronic Resource
    Electronic Resource
    Biosystematic studies inTulipa sect.Eriostemones (Liliaceae) (1992)
    Springer
    Plant systematics and evolution 179 (1992), S. 27-41 
    Details
    ISSN: 1615-6110
    Keywords: Angiosperms ; Liliaceae ; Tulipa ; sect.Eriostemones ; subsect.Australes ; Biflores ; Saxatiles ; Morphology ; crossability ; chromosome numbers ; numerical taxonomy ; phylogeny ; biogeography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Evolutionary relationships and infra- and interspecific variability within the species ofTulipa sect.Eriostemones Boissier were studied. Measurements of 35 morphological characters were used for principal component and canonical variate analyses. Crossing experiments and chromosome counts were carried out. Two axes of morphological variation were encountered within the principal component plot. Variation of subsect.Biflores was traced along one axis, the species of subsect.Australes as well asSaxatiles were found along the other axis. The nomenclature of names of subsect.Biflores was considered on the basis of their geography, specific morphological characteristics and polyploidy. Conspecificity of names of all species was tested based on both morphology and crossability.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00938017
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  • 3
    Electronic Resource
    Electronic Resource
    Flower pigment composition in Tulipa (1993)
    Springer
    Genetic resources and crop evolution 40 (1993), S. 49-54 
    Details
    ISSN: 1573-5109
    Keywords: anthocycanidins ; Eriostemones ; flavonoids ; Leiostemones ; principal component analysis ; Tulipa
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Flower pigment compositions of 43 accessions of Tulipa species, 6 species hybrids and 494 tulip cultivars were analysed with respect to the amount of carotenoids, and the anthocyanidins pelargonidin, cyanidin and delphinidin. After principal component analysis, the different pigment compositions appeared to be correlated with flower color. Hybrids were not intermediate between the parents in all cases. The variation found in T. gesneriana extends that of the whole rest of the genus. The biosynthetic pathway as described in Petunia, Anthirrinum and other genera can also be postulated for the genus Tulipa, but additive effects of multiple genes may be assumed, since several levels of concentration were found. Flavonoid synthesis has biological relevance in view of co-evolution with insect pollinators and male sterility.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00053464
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