AI Article Synopsis
- The study examined the floral nectar volume and sugar concentration of ramson in three habitats, including distinct forest associations.
- Nectar production varied between 0.1 to 3.8 μL per flower and had sugar concentrations ranging from 25% to 50%, with significant differences observed between flowers exposed to visitors and those covered for 24 hours.
- Environmental factors, including microclimate and soil type, influenced both the quantity and quality of nectar, showing that habitats with different conditions yielded differing nectar characteristics.
Article Abstract
Floral nectar volume and concentration of ramson (Allium ursinum L. ssp. ucrainicum) were investigated in three different habitats, including two types of sessile oak-hornbeam association on brown forest soil with clay illuviation and a silver lime-flowering ash rock forest association on rendzina. Daily nectar production ranged from 0.1 to 3.8 μL per flower with sugar concentrations of 25 to 50%. Mean nectar volumes and concentrations showed significant differences between freely exposed flowers and covered flowers, which had been isolated from flower visitors 24 h prior to nectar studies. Both the amount and quality of nectar were affected by microclimatic conditions and soil properties and varied between populations at different habitats. In the silver lime-flowering ash rock-forest association mean nectar volumes and concentrations were lower than in a typical sessile oak-hornbeam association on three occasions, the difference being significant in two cases. During full bloom, the date of sampling did not have a profound effect on either nectar volume or concentration.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3349315 | PMC |
| http://dx.doi.org/10.1100/2012/138579 | DOI Listing |
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