Nectar secretion dynamics of Ziziphus nummularia : A melliferous species of dry land ecosystems

Saudi Journal of Biological Sciences
Awad M A HassanAbdulaziz S Alqarni

Abstract

Nectar is used as raw material for the production of honey and as significant reward in the relationship between bees and plants during pollination. Therefore, it is important to investigate its abundance, dynamics and associated governing factors. Weather conditions are known to influence nectar production, and predicted climate changes may be responsible for future declining in total yield from beekeeping activities. We investigated nectar production as total soluble solids (TSS) of well-known species for honey production, Ziziphus nummularia in a hot-arid environment of Saudi Arabia. Data on nectar samples from bagged flowers of different stages during two blooming seasons, 2013 and 2015 were collected on weekly bases, and the data were correlated with weather conditions (temperature, relative humidity, and wind). A significant difference in TSS amount has been obtained, with 1-day old flowers displaying the higher content. TSS production was varied along the different day intervals, for both years, with a peak of production in the afternoon. In our results, nectar production was not correlated to temperature and wind, but was significantly negatively correlated with relative humidity. According to the current and future wea...Continue Reading

Citations

Jul 25, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Joelle MesmarElias Baydoun
Apr 26, 2020·Ecotoxicology and Environmental Safety·WeiHua MaYe Gao

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