metaxu ~= "in between"

plant world web

Some 80 per cent of plants are colonised by fungi that form the familiar network of fine white threads that hang off many roots. The threads, called mycorrhizae, take in water and minerals from the soil, and hand some over to the plant in exchange for nutrients. Now it seems plants use them to communicate too.
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The first plant was signalling to its neighbour [through the mycorrhizae], Zeng says, and he has dubbed mycorrhizae “the internet of plant communities.”
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other plant-to-plant signalling systems: … [chemicals released into the air to warn neighbours of impending attacks; roots release chemicals which spread through the soil].
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intensively farmed plants don’t have mycorrhizae. With access to ample fertiliser and water they do not bother to grow them. As a result, they may be missing out on health benefits.
    [[ james note: and missing out on communication?! and who knows what else. And these are the plants we eat.
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mycorrhizal networks can be enormous. … a network weaving its way through an entire Canadian forest, with each tree connected to dozens of its neighbours over distances of 30 metres.
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even tie together plants of different species, which means different species might be able to communicate with each other

    [[ james note: and keep in mind – these mycorrhizae are not grown only by the plant. They are grown in in association with fungi – an entirely different species — in fact, a completely different plant kingdom!

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