Aspirin And Preserving Cut Flowers - Knowledgebase Question

New Lenox, IL
Question by carrollclan6
November 3, 2000
Can you please explain what it is about aspsirin that helps in preserving cut flowers?


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Answer from NGA
November 3, 2000

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Researchers at Arizona State University in Tempe have discovered the biology behind the old florist's trick of placing an aspirin tablet in a vase of water. When plants are injured -- like when their stems are cut -- they make something called jasmonic acid, which helps drive off predators. It also promotes aging of plant tissues. Aspirin inhibits jasmonic acid production, slowing down aging and keeping the flowers fresher longer.

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