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posted by chromas on Saturday July 11 2020, @08:30AM   Printer-friendly
from the toMAYto-toMAHto dept.

Detection of electrical signaling between tomato plants raises interesting questions:

UAH's [University of Alabama in Huntsville] Dr. Yuri Shtessel and Dr. Alexander Volkov, a professor of biochemistry at Oakwood University, coauthored a paper that used physical experiments and mathematical modeling to study transmission of electrical signals between tomato plants.

[...] "Dr. Volkov is a prominent scholar in biochemistry. Once, we were talking about the electrical signal propagation though the plant's stem and between the plants—plant communication—through the soil," Dr. Shtessel says. "I suggested building an equivalent electrical circuit and a corresponding mathematical model that describes these processes."

The mathematical modeling is based on ordinary and partial differential equations. Dr. Shtessel was in charge of building the models, running the simulations and generating the plots.

[...] Plants generate electric signals that propagate through their parts. When the roots of tomatoes are experimentally isolated from each other with an air gap, the electrical impedance of the gap is very large.

"The electrical signals won't go through this gap," Dr. Shtessel says. In that experiment, communication between plants via their roots was prevented, as was discovered by Dr. Volkov.

However, when the plants are living in common soil, experiments conducted by Dr. Volkov found that the ground impedance is not very large and they can communicate by passing electrical signals to each other through the Mycorrhizal network in the soil.

Maybe there is something to the "Tree of Souls" in Avatar?

Journal Reference:
Alexander G. Volkov et al. Underground electrotonic signal transmission between plants [open], Communicative & Integrative Biology (2020). (DOI: 10.1080/19420889.2020.1757207)


Original Submission

 
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  • (Score: 4, Insightful) by Rupert Pupnick on Saturday July 11 2020, @04:44PM (3 children)

    by Rupert Pupnick (7277) on Saturday July 11 2020, @04:44PM (#1019590) Journal

    Well, I mostly agree with you except in the matter of the purpose of scientific publication. I thought the whole point of publishing a scientific paper was to forge consensus among researchers, and one of the main ways in which this happens is by making it possible for other researchers to replicate the results. I didn’t find the reference section to be particularly helpful in that regard, but maybe you had more patience looking through it than I did.

    But really, the questions I’m asking here are very basic and fundamental to an electromagnetic communications link: what’s the power level and directivity of the transmitter, and what’s the sensitivity and bandwidth of the receiver? In the specific case of the paper, how does the application of an external stimulus address address any of these questions?

    If indeed great strides have been made in the understanding of inter-plant communication, maybe the journalists at phys.org could give us an overview of where we are, and why this particular paper is worthy of citation.

    So really, I’m left to conclude that there is no intention whatsoever to give readers an understanding of what’s going on here. And quite possibly, the reason for that is that it’s junk science.

    Starting Score:    1  point
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  • (Score: 1, Touché) by Anonymous Coward on Saturday July 11 2020, @05:28PM (1 child)

    by Anonymous Coward on Saturday July 11 2020, @05:28PM (#1019605)

    Purpose of publishing,
    Is precluding the proverbial perishment,
    And providing possibility of protracted provisionmet.
    Thus persons printing promulgate.

    • (Score: 4, Touché) by Rupert Pupnick on Saturday July 11 2020, @08:37PM

      by Rupert Pupnick (7277) on Saturday July 11 2020, @08:37PM (#1019653) Journal

      There once was a poster named Nonymous
      Whose quantity of posts were gironomous
      Some posts that you’ll see
      Will fill you with glee
      Too bad they’ll never be eponymous

  • (Score: 2) by FatPhil on Sunday July 12 2020, @08:29AM

    by FatPhil (863) <{pc-soylent} {at} {asdf.fi}> on Sunday July 12 2020, @08:29AM (#1019776) Homepage
    Yeah, I think my main questions would be "where are the electrons coming from?" and "where are the electrons going to?"
    Without answers to those, any claims of electrical anything are basically akin to scientology.
    --
    Great minds discuss ideas; average minds discuss events; small minds discuss people; the smallest discuss themselves