Blooming biology and pollen abundance of Anemone japonica Houtt. = Anemone x hybrida hort.
2006
Denisow, B. | Bozek, M.,Akademia Rolnicza, Lublin (Poland). Katedra Botaniki
The studies were carried out between 2002 and 2003 and in 2005 in the Botanical Garden in Lublin (Poland). The blooming and the pollen flow of Anemone japonica Houtt. (=A. x hybrida hort) were observed. The blooming of the perennial took place in the middle and end of summer. The number of flowers per inflorescence and the mass of pollen produced in anthers significantly depended on insolation conditions and were greater on sunny plots. Anemone japonica is characterized by the variability of many features which directly influence the amount of delivered pollen. The number of stamens varied from 175 to 507 per flower, the mass of pollen from 1.1 mg to 4.9 mg per 100 anthers, the number of flowers from 25 to 118 per one inflorescence and from 355/square m to 2202/square m. Therefore the pollen efficiency varied widely from 1.3 g/square m to 27.7 g/square m and reached 15.3 g/square m on average
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