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  • Nature Publishing Group  (14)
Collection
Publisher
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  • 1
    Electronic Resource
    Electronic Resource
    Expression of Sex in Flowering Plants (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 614-615 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The greater part of this literature, however, deals with dioecious species of Melandrium, which have furnished the test material for so many other studies of sex-inheritance and expression. Both 'sexes' in these species produce androecial and gynoecial primordia ; but usually only one of these ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/180614a0
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  • 2
    Electronic Resource
    Electronic Resource
    Cytology of the Ecotypes of Diœcious Melandrium dioicum (L. emend.) Coss. & Germ. (1951)
    [s.l.] : Nature Publishing Group
    Nature 168 (1951), S. 747-748 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] This is important, because it had already been established (in 1940) by Warmke and Blakeslee' that a tetraploid race, once formed, could spread without loss of dioecism even though such a race had not then been discovered. Nevertheless, Baker6"' has shown that a number of plants representing the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/168747a0
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  • 3
    Electronic Resource
    Electronic Resource
    A Palynological Treasure-House (1951)
    [s.l.] : Nature Publishing Group
    Nature 167 (1951), S. 457-460 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FRANZ ANDREAS (FRANCIS) BAUER was born in Feldsburg, Austria, in 1758. He settled in England some thirty years later as a result of a meeting with Sir Joseph Banks, who gave him em-ployment as an artist at the Royal Gardens in Kew, where his title eventually included that of 'Botanical Painter to ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/167457a0
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  • 4
    Electronic Resource
    Electronic Resource
    Significance of Pollen Dimorphism in Late-Glacial Armeria (1948)
    [s.l.] : Nature Publishing Group
    Nature 161 (1948), S. 770-771 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE existence of pollen dimorphism in the genus Armeria was discovered by Kulczyński1 during the investigation of Dryas-containing beds near Przemyśl in Poland. Iversen2 showed that in living European material of A. maritima (Mill.) Willd., plants with Type A and ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/161770b0
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  • 5
    Electronic Resource
    Electronic Resource
    Criteria of Hybridity (1947)
    [s.l.] : Nature Publishing Group
    Nature 159 (1947), S. 221-223 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE importance of the study of natural hybridization is obvious in view of the large part it plays in the process of evolution. There have been considerable differences of opinion, first as to the possibility of recognizing natural hybrids and, secondly, as to the status of the parents once the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/159221a0
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  • 6
    Electronic Resource
    Electronic Resource
    Sex in Melandrium (1947)
    [s.l.] : Nature Publishing Group
    Nature 159 (1947), S. 34-34 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE development of stamens in pistillate plants of Melandrium under the influence of Ustilago violacea (Pers.) Fuckel is well known. Recently, this action has been simulated by treatment of plants with the animal hormone testosterone, while the reverse change has been caused by ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/159034a0
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  • 7
    Electronic Resource
    Electronic Resource
    “Criteria of Hybridity” (1947)
    [s.l.] : Nature Publishing Group
    Nature 159 (1947), S. 546-546 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] I REGRET that ambiguity in my article “Criteria of Hybridity”1 has caused Prof. E. Anderson inconvenience. While discussing the ‘index method’ of investigating natural populations, I made the statement: “In the majority of cases known to the author where this method has been ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/159546a0
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  • 8
    Electronic Resource
    Electronic Resource
    Amino-acids in Nectar and their Evolutionary Significance (1973)
    [s.l.] : Nature Publishing Group
    Nature 241 (1973), S. 543-545 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] This evidence of concern with amino-acid ingestion by adult insects usually thought of as restricted to a liquid diet suggests that nectar itself should be examined as a potential source. Some comprehensive analyses of honey (which contains additives provided by its makers, the honey T)ees), have ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/241543b0
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  • 9
    Electronic Resource
    Electronic Resource
    Petal-Colour Inheritance in Lychnis (1943)
    [s.l.] : Nature Publishing Group
    Nature 152 (1943), S. 161-162 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] INVESTIGATIONS of petal-colour inheritance in Lychnis species have resulted in considerable confusion owing to insufficiently precise identification of the forms studied. Numerous authors, from Bartram1 (1699-1777) to Winge2, have found the production of petal-antho-cyanin to be dominant ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/152161b0
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  • 10
    Electronic Resource
    Electronic Resource
    [Letters to Editor] (1945)
    [s.l.] : Nature Publishing Group
    Nature 156 (1945), S. 721-721 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE publication of the note by Dr. Julian Huxley prompts me to record some observations of a similar phenomenon in 1944. At the beginning of October flowering was noticed on a tree of Aesculus hippocastanum at Twickenham, Middlesex, in circumstances similar to those described by Dr. ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/156721b0
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