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Plants respond to leaf vibrations caused by insects' chewing, MU study finds
Date:7/1/2014

that the plants are able to distinguish feeding vibrations from other common sources of environmental vibration."

Appel and Cocroft say future research will focus on how vibrations are sensed by the plants, what features of the complex vibrational signal are important, and how the mechanical vibrations interact with other forms of plant information to generate protective responses to pests.

"Plants have many ways to detect insect attack, but feeding vibrations are likely the fastest way for distant parts of the plant to perceive the attack and begin to increase their defenses," Cocroft said.

"Caterpillars react to this chemical defense by crawling away, so using vibrations to enhance plant defenses could be useful to agriculture," Appel said. "This research also opens the window of plant behavior a little wider, showing that plants have many of the same responses to outside influences that animals do, even though the responses look different."

The study, "Plants respond to leaf vibrations caused by insect herbivore chewing," was funded in part by the National Science Foundation and was published in Oecologia.


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Contact: Jeff Sossamon
sossamonj@missouri.edu
573-882-3346
University of Missouri-Columbia
Source:Eurekalert  

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Plants respond to leaf vibrations caused by insects' chewing, MU study finds
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