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Plants use underground communication to learn when neighbours are stressed
Key Excerpts from Article on Website of The Independent (One of the UK's leading newspapers)
Posted: May 15th, 2018
https://www.independent.co.uk/news/science/plants-undergroun...
Plants use an underground communication network to exchange chemical warnings, according to a new study. Work by a team of biologists at the Swedish University of Agricultural Sciences has provided new insights into the complex subterranean life of seemingly immobile corn plants. The work adds to a body of research exploring the chemical pathways that plants use to talk to each other. Our study demonstrated that ... above ground mechanical contact between plants can affect below ground interactions, acting as cues in prediction of the future competitors, said Dr Velemir Ninkovic, lead author of the study. [Plant] signaling both within their bodies and with neighbors consists of the relatively slow exchange of chemical messages. Some of this communication takes place via strands of underground fungi that plants use to share food, warning signals and even toxic chemicals a phenomenon that some biologists have informally termed the wood-wide web. The study by Dr Ninkovic and his colleagues ... found that the fresh seedlings responded [to stresses] by growing more leaves and fewer roots than plants that had grown under normal conditions. [The Results] suggested that the corn seedlings, upon being exposed to the chemical signals of recently touched plants in the soil, were responding by preparing themselves for the trouble ahead posed by new neighbors or becoming somethings dinner.
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