What the Smell of Freshly Cut Grass Really Means...

Spring is in the air! It’s time to mow the lawn and breathe in the smell of freshly cut grass. But this pleasant springtime scent may actually be a chemical cry for help. In the latest Reactions episode, we explain how plants communicate, their chemical response to being damaged, and how bugs play a part.

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Credits:
Producer: Elaine Seward
Writer: Kirk Zameiroski
Scientific Consultants: Darcy Gentleman, PhD Ian Baldwin, PhD Simon Gilroy, PhD Rick Karban, PhD
Executive Producer: Hilary Hudson

Music:
Alandra Lightflower Jones - Strike it up (82 style)

Sources:
https://www.wired.com/2013/12/secret-language-of-plants/
https://www.quantamagazine.org/the-secret-language-of-plants-20131216/
http://kottke.org/16/09/the-internet-of-trees-how-trees-talk-to-each-other-underground
http://mentalfloss.com/article/66302/5-ways-plants-communicate
https://www.wired.com/2013/12/secret-language-of-plants/
http://science.sciencemag.org/content/361/6407/1112
https://www.compoundchem.com/2014/04/25/what-causes-the-smell-of-fresh-cut-grass/https://www.compoundchem.com/2014/04/25/what-causes-the-smell-of-fresh-cut-grass/
https://www.mdpi.com/1422-0067/14/9/17781/htm
https://www.omicsonline.org/open-access/the-hydroperoxide-lyase-branch-of-the-oxylipin-pathway-and-green-leaf-volatiles-in-plantinsect-interaction.-2329-9029.1000102.pdf
https://www.degruyter.com/downloadpdf/j/znc.1995.50.issue-7-8/znc-1995-7-801/znc-1995-7-801.pdf
https://link.springer.com/article/10.1007/BF01325231
https://academic.oup.com/chemse/article/30/suppl_1/i268/270427
http://www.plantphysiol.org/content/146/3/818
https://www.annualreviews.org/doi/abs/10.1146/annurev-arplant-042916-041132
https://www.wnycstudios.org/story/from-tree-to-shining-tree
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4483192/
https://books.google.com/books?id=42nOBQAAQBAJ&pg=PA238&lpg=PA238&dq=0.25+ppb+Z-3-hexenal&source=bl&ots=pVrKkqULJl&sig=ACfU3U1WOa51K_ByEGTbqNP90_oiT-hUQQ&hl=en&sa=X&ved=2ahUKEwiY0tWb7rnhAhXD1lkKHQuKDe8Q6AEwA3oECAkQAQ#v=onepage&q=0.25%20ppb%20Z-3-hexenal&f=false
https://www.degruyter.com/downloadpdf/j/znc.1995.50.issue-7-8/znc-1995-7-801/znc-1995-7-801.pdf
http://www.plantphysiol.org/content/121/2/325.full
https://www.mdpi.com/1422-0067/14/9/17781/htm
http://science.sciencemag.org/content/329/5995/1075.full



Ever wonder why dogs sniff each others' butts? Or how Adderall works? Or whether it's OK to pee in the pool? We've got you covered: Reactions a web series about the chemistry that surrounds you every day.

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