How does sound affect plants?

Marketing on the hop plantationSpeak With the Plant! let beer to grow!

Do plants really grow faster when we talk to them? That's what they say. And when it comes to beer, let's believe it. And talk, and talk, and talk ...

Ok, it's an advertising campaign that we are talking about for now - but wait and see: Later in the text we will deal with the overriding question in a very factual manner: Does it bring anything?

But first of all, this idea from Beck's company. They set up really big boxes in hop plantations in Bavaria - things that are used to sound at festivals - and then drove to Berlin to let the people there speak messages with which the hops are sounded. A limited special edition will be released at the end of the year: Beck's Soundpils.

"Hello dear drops, you are the cool hops. We will soon be going to the sea, then enjoy you very much."
A passer-by from Berlin speaks to the hop plants in Bavaria

The company assumes that plants react to sound and that the special edition will "taste even more aromatic". (Meanwhile we hope here at Nova that the hop plants don't pay so much attention to what is being said ... but good!)

Do plants react to sound?

A field test by the Italian winemaker Giancarlo Cignozzi shows that plants react to sound. For years he has exposed half of his vines non-stop to Mozart. The result: the sonicated plants were stronger, developed more foliage and ripened up to ten days earlier than the non-sonicated ones. This experiment was accompanied by plant neurobiologist Francesco Mancuso, who believes that plants respond to sound.

"Plants don't hear, but they perceive tones in the form of sound waves."
Francesco Mancuso, Plant Neurobiologist, on the effects of sound on plants

The botanist František Baluška from the University of Bonn confirms the effect of sound on plants: "We examine roots. They are very sensitive and we have found that 200 hearts act like flowing water. The roots are attracted to this sound frequency." In this experiment, the root grew in the direction of the frequency source.

As further proof of the effect of the sound on plants, we do not want to withhold this test by the WDR from you. It dates back to 1992. At that time, the editorial team gave 100 people several tomato plants in a scientifically supported experiment. Same variety, same condition. The participants were asked to plant them all in their gardens under the same conditions. The only difference is that the test participants should talk to one part of the plants, and not to the other part of the others.

Talking to plants doesn't affect the taste

Result: There were no differences in taste. The laboratory tests have shown this; For example, sugar content and pH were the same. But, the tomato plants we talked to produced over 22 percent more yield.

It is possible that the special beer edition will be at least a little more generous. In this respect, the marketing investments should pay for themselves. Will it be a great taste? Questionable.

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