Yes. I believe that they release chemicals in the air. Like freshly cut grass does.

I’m not sure about the auditory release of sound though.

Edit I just read the first page of your link. I will read more later.

Hopefully will revolutionize food growing. I will give the author points for raising an original question.

Cool! They said it might be some sort of cavitation, causing air bubbles to pop

If that is true that stresses me out. I already feel badly when I kill a plant.

I seem to remember reading about a study from the 1970’s where scientists hooked plants up to lie detectors or some such thing and as they were threatened with scissors the lie detector was showing changes in the response pattern. I’ll see if I can dig that up.

@seawulf575 if the article says “why” they have evolved to do that, it would be fascinating.

Found it! Funny that the scientific community at the time didn’t believe it and now it seems to have been proven another way.

@seawulf575 , It is one thing to react to being cut, but something much different to be able to read thoughts. Most of the claims could not be reproduced. The guy was a bit of a crackpot.

Although inaudible to the human ear plants do make sounds when they are ‘trimmed’ (plucked) and they make other sounds also.

Trimming plants can be beneficial to plants and help them to grow.

The sounds made by plants are so low that they can only be heard with the most sophisticated equipment.

An experiment was conducted many years ago when two pot plants were places together on a table. One was treated very badly by the person tending it and the other was treated with ultimate care and love.

By using extremely sensitive equipment it was found that when the person abused the uncared for plant it actually tried to move away from the person but the plant which was loved by the carer actually tried to move closer to its carer.

Such 70s stuff ^^^^. My dad subscribed to it.

@LostInParadise That may very well be (that he was a crack-pot). But other studies have showed that plants react differently to different styles of music and now there is another study that shows plants emit a sound when they are threatened/damaged. So he may not have been that far off base.

It’s a little hard to believe that so simple an experiment wasn’t conceived in the 70s, when lunatic fringe theories had real traction and funding in academia, but the conclusion, if real, is not really worth being called a “scream.” Things with brains scream for scream inducing reasons. This effect is more akin to a fart or a thud or a creak: things that make noise, but are happening for other reasons.

It WAS conceived in the 70s!

@Dutchess_III So was Microsoft and Apple and the Internet. Some crazy crackpot ideas like everyone having a computer in their home were created at the same time.

Yes. I love it when kids mumble about how incompetent old people are.