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ISU research leads to understanding of how crops deal with stress -- yield's biggest enemy
Date:4/25/2011

roducts bring about internal defensive measures that help the plant survive.

"As it turns out, responses that are activated under stress conditions actually inhibit the growth of plants," said Howell. "This allows them to conserve their energy to survive the stress conditions."

For plants in the wild, this response is a survival tactic, he said.

In production agriculture crops, however, these responses reduce yields.

"You don't want crop plants to [stop growing]," Howell said. "You want them to continue to grow and produce even though they are under stress."

With the new understanding of this stress response pathway, Howell says, the next step may be to silence the alarm system.

"What may be important is to disable some of these stress responses," said Howell. "That may make the plant be more productive under stress conditions."


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Contact: Stephen Howell
shh@iastate.edu
703-292-8528
Iowa State University
Source:Eurekalert

Page: 1 2

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