Les Grosses Têtes: LE COUP DE FIL DU JOUR - Quand les plantes se parlent entre elles

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Director of research.

I shouldn't tell you where, by the way, because it's going to help you a lot.

I'll tell you after, indeed, its post, its function.

Because otherwise, it will tell you the answer to my first question.

A question that concerns, in any way,

I can tell you that they work online, because it concerns plants.

Agronomic research.

Agronomic research.

And French researchers have discovered that plants...

What did some plants do? Not all.

But what do plants do to survive?

They eat each other.

No.

They cut each other.

They cut each other.

No.

They eat each other.

They eat each other.

That is to say.

For example, there are trees to survive,

to capture, for example, the light in a slightly dimmed forest.

They will, like, shine on each other.

They will push towards one.

They will help each other.

That's not bad.

But in terms of terms, of course,

you can tell me precisely what plants do.

They mutate.

They are solid.

Yes.

So what do they do?

They make fun of each other.

They sort each other out.

They sort each other out.

What do they do?

They sort each other out.

A better relationship.

No.

They cut each other out.

Yes.

Better than that.

Better than that.

They blend.

No.

They sort each other out.

They communicate between themselves.

They do.

They talk to each other.

She talks.

Yes.

What a good answer from Caroline Lamarckian.

She talks to you.

Yes.

You are exceptional.

Plants talk to each other to survive.

And it's not their language, then?

What is their language?

But what are they talking about?

They are talking about the figurative meaning of the term.

Oh yes, but it's very ideological as an expression.

No!

Jean Benoît Amour, she is the director of research

at the Inra Specialist of Plant Psychology.

And you agree to say that she is talking about it?

Yes, so I am not a psychologist, guys.

I am an ideologist, ok?

Ah!

Ah yes, I noticed the psychology of plants.

No, no, no, no.

Psychology of plants.

You were telling me, it's still curious,

psychology of plants.

No, there are some, but they are controversial.

Physiology, psychology is not at all the same.

No, it's not at all the same.

It's like astronomy and astrology.

So what do you think about it?

So what do you think about it?

I don't think anything.

What we have shown is that plants exchange information.

They exchange information, without a doubt,

molecules that we haven't identified yet.

So they exchange information between them

and they probably do it to

manage more collectively

their physiology, precisely.

In the sun, I mean,

they talk about it in a hidden way, then.

In addition, in addition.

So they don't just do it in a hidden way,

because there are other cases where

we know that they exchange information

above the ground.

There are molecules.

The tomatoes, for example, in the article that I read

signed by Frédéric Mouchon, we are told that...

They talk, you know, you are a little red.

I heard a tomato.

Say to another one,

say to that one, I'm going to do it.

But it's true that the tomatoes

sound very good with the concomas.

Seriously, then.

Seriously, what do the tomatoes do?

So, for the moment, in the article

of the Parisian that you mentioned,

it was an example, but the tomatoes,

it's true that we know that the tomatoes,

when there are two tomato plants, one next to the other,

there is one that is attacked by an insect

that is going to eat its leaves.

It is very well described that the plant

that is attacked will send signals

to its neighbor, chemical signals.

To tell him, be careful, I'm attacked,

so you're not going to be there for a long time.

And what makes the neighbor, in fact,

get ready, increase its immunity,

because plants have an immunity system.

So the neighbor plant is not going to increase

its immunity.

Be careful, be careful, there is a good stop

that is coming, be careful.

Exactly. But it's true that it's interesting to know

that plants, in fact, are not very good.

It's going a little far, but it's a way

to talk, to deal with it,

to deal with it to survive in front of the insects,

essentially.

I heard you talk about it in my fridge, I didn't understand.

Not only insects, the weather too, then?

So,

yes, in exchange,

there are not insects.

Do you know, because Bernard said,

I heard him talk in my fridge.

Yes, yes.

In the end...

I'm going crazy with the fridge, Bernard!

Bernard!

Bernard, in his fridge, we hear

their voice there, their voice there!

The big idiot is coming!

Shit!

Their voice there!

No, but...

Not only insects, there are also mushrooms.

Yes.

We have to take the idea of a work like this

that is not recognized between Rihanna and Beyoncé.

The cherry tomato and the tomato heart of the boys,

for example.

The information that says, be careful,

it speaks at what age.

But,

does she do it?

When they are too old,

when they are too old,

they do an exam, a Kitschup.

I think it doesn't suit you, Mr.

Yes, I have a question.

Does she send this information

to the canton?

Like this?

No, to the neighbor.

To the neighbor.

Do you know what they told me?

No, but do they do it

to save the other tomatoes?

Or do they do it because they scream

and the others hear a scream?

Oh my!

It's the right question.

I don't know.

It's the right question.

Answer to Mr. Bellamy, please.

Thank you, Mr. Bellamy,

for the right question.

Why do they do that?

Generally, we don't answer the question of why.

But,

I can give you the clues.

Obviously,

the fact that she communicates between them,

what does it do?

It makes them manage their energy,

their resources,

and they won't defend themselves if it's not necessary.

She doesn't have to speak, she sings sometimes.

The singer-automater.

Yes, yes, yes.

In Starman,

there is the singer-automater.

I think we did it all.

You were very, very nice.

Very, very nice.

Very, very nice.

We can applaud Jean Benoît,

director of research at INRA,

specialist in plant physiology.

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