Pollen n bee electrical charge

[Robin Chatham]

This is a fascinating clip about how pollen is. A negative charge and b's create a positive charge and the pollen. Therefore jumps onto the bee. Also fascinating is how the sound of the electrical current of the flower changes to let bees know when it is in or out of nectar.

https://www.tiktok.com/t/ZT8bo8SFR/

[Charles Carlson]

That's really cool! Flowers also ripen as they age changing a shade of color.  That change also signals pollinators.  Now in practical terms, I've watched bees hunting for nectar and I would assume pollen from flowers such as rosemary, oregano, lavender and I'm not convinced that story being told holds up across all species of flowers.  Nevertheless, it's a good story that's probably true in some instances but not others.

[MLuskin]

They must mean that the flower and not the whole plant loses its charge. 

Merry

On Jan 16, 2024, at 5:34 PM, Charles Carlson <carlso...@gmail.com> wrote:

That's really cool! Flowers also ripen as they age changing a shade of color.  That change also signals pollinators.  Now in practical terms, I've watched bees hunting for nectar and I would assume pollen from flowers such as rosemary, oregano, lavender and I'm not convinced that story being told holds up across all species of flowers.  Nevertheless, it's a good story that's probably true in some instances but not others.

On Tuesday, January 16, 2024 at 6:07:50 AM UTC-8 Robin Chatham wrote:

This is a fascinating clip about how pollen is. A negative charge and b's create a positive charge and the pollen. Therefore jumps onto the bee. Also fascinating is how the sound of the electrical current of the flower changes to let bees know when it is in or out of nectar.

https://www.tiktok.com/t/ZT8bo8SFR/

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[Charles Carlson]

Hi Merry,

I’m assuming that the measurement is between the flower stem, where the electrode is placed, and the roots or ground (literally).  An electrical potential will exist between those two points. I believe the bee visiting the flower discharges those points.  In the demonstration a single flower and stem was used, I’m not sure whether more stems and flowers results in the discharge of all of them simultaneously or not.  That wasn’t clear to me.  It was a controlled demonstration to produce the maximum effect, just what is wanted for the wow factor, and science geez wiz.  Real world events are different. I think the affect happens. I just don’t know how it works on an inflorescence. 

Here’s a scientific paper on the topic from 5 years back: https://link.springer.com/article/10.1007/s00359-017-1176-6  It’s pretty cool stuff, to think about what bees may be sensing.

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