Abstract
This paper considers fruit germination patterns in representatives of the family Sparganiaceae, which are most widespread in the European part of Russia: Sparganium emersum Rehm. (subgenus Xanthosparganium), Sparganium erectum L., and Sparganium microcarum (Neum.) Raunk. (subgenus Melanosparganium). It is shown that, after dissemination, fruits of all studied species do not germinate immediately, either intact or after different presowing treatment (scarification). It is found that under laboratory conditions a long period of moist cold stratification positively affects the germination ability of S. emersum and S. microcarpum fruits, as opposed to fruits of S. erectum. In all other experiments, fruits of S. microscarpum do not germinate or germinate sporadically. Fruits of S. erectum do not germinate, regardless of the different conditions of storage and presowing treatment. Long-term dry storage of S. emersum fruits under room conditions leads to a decrease in laboratory germination ability, and only the subsequent stratification of the fruit makes it possible to significantly increase this characteristic.
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Original Russian Text © E.A. Belyakov, A.G. Lapirov, 2015, published in Biologiya Vnutrennikh Vod, 2015, No. 1, pp. 38–42.
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Belyakov, E.A., Lapirov, A.G. Fruit germination of some representatives of the family Sparganiaceae Rudolphi under laboratory conditions. Inland Water Biol 8, 33–37 (2015). https://doi.org/10.1134/S1995082915010034
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DOI: https://doi.org/10.1134/S1995082915010034