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Die Unkraut-Hirse (Panicum miliaceum subsp.ruderale) — neue Tatsachen und Befunde

The Weed-Broomcorn Millet (Panicum miliaceum subsp.ruderale) —new facts and findings

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Abstract

The Weed-Broomcorn Millet,Panicum miliaceum L. subsp.ruderale (Kitag.)Tzvelev, until now observed only in Asiatic countries, is also present in Austria (C. Europe). Whereas the cultivatedP. miliaceum subsp.miliaceum, devoid of all natural dispersal ability, cannot actively spread, the Weed-Broomcorn Millet can do so successfully and is increasingly infesting fields ofZea mays. Its spikelets disarticulate at maturity below the glumes, and moreover the florets disarticulate above the sterile floret by means of an abscission layer just beneath a swelling body which developes from the upper rachilla segment. All facts and findings are in favour of the assumption that the Weed-Broomcorn Millet is a product of repeated reverse mutations inP. miliaceum subsp.miliaceum.

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Authors and Affiliations

  1. Botanischer Garten und Botanisches Museum Berlin-Dahlem, Königin-Luise-Straße 6-8, D-1000, Berlin 33, Germany

    Hildemar Scholz

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  1. Hildemar Scholz
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Scholz, H. Die Unkraut-Hirse (Panicum miliaceum subsp.ruderale) — neue Tatsachen und Befunde. Pl Syst Evol 143, 233–244 (1983). https://doi.org/10.1007/BF00986381

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  • DOI: https://doi.org/10.1007/BF00986381

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