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Subject:
Re: Bee nutrition and landscapes
From:
Peter Loring Borst <[log in to unmask]>
Reply To:
Informed Discussion of Beekeeping Issues and Bee Biology <[log in to unmask]>
Date:
Mon, 6 Jul 2015 10:38:57 -0400
Content-Type:
text/plain
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> That does not happen in the UK any longer - it used to be like that 10 years or so ago - we always ran out of supers.

This can be attributed to any number of factors, including land use changes and different varieties of crops. It is well known that some varieties of buckwheat produce much less nectar than others. Further

> most of the UK crop is planted in late summer or autumn to bloom next spring

> overall exposure to summer-flowering oilseed rape is probably much less than to
> spring-flowering in the UK, as the acreage of summer-flowering
> varieties is only 2% of the total oilseed rape acreage

Garbuzov, M., Couvillon, M. J., Schürch, R., & Ratnieks, F. L. (2015). Honey bee dance decoding and pollen-load analysis show limited foraging on spring-flowering oilseed rape, a potential source of neonicotinoid contamination. Agriculture, Ecosystems & Environment, 203, 62-68.

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