Abstract
As a contribution to the study of the melliferous flora of Serbia, nectar production in two species of the genus Galanthus L. (G. nivalis L., and G. elwesii Hook.) was investigated. The intensity of nectar secretion was determined directly, using the microcapillary method. The study included determination of the total daily nectar amount per flower, and an analysis of nectar secretion dynamics during the day and during the flower ontogeny. The results show that the total daily amount of nectar per flower is low, and flowers of both species exude nectar only once during the day and during the flower ontogeny. However, despite the low nectar production, Galanthus species represent a first valuable source of nectar and pollen to pollinators in the early spring period, when only a small number of species are in the flowering phenophase.
Highlights
Numerous studies have been conducted in order to clarify complex taxonomical issues
Nectar production in two indigenous species of the genus Galanthus in Serbia (G. nivalis, G. elwesii Hook.) was investigated, in order to determine their significance as nectariferous plants
The plant material was collected in 11 localities in the territory of Serbia, among which seven represented habitats of G. nivalis and four were habitats of G. elwesii (Tab. 1; Fig. 2)
Summary
Аbstract: As a contribution to the study of the melliferous flora of Serbia, nectar production in two species of the genus Galanthus L. Нектарски потенцијал аутохтоних врста рода Galanthus у Србији (G. nivalis и G. elwesii) утврђен је испитивањем укупне дневне количине нектара по цвету, дневне динамике секреције нектара и динамике секреције нектара током онтогеније цвета.
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