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Abscisic Acid -- The Plant Stress Hormone.(Brief Article)
- Article from:
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Agricultural Research
- Article date:
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January 1, 2001
- Author:
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Copyright informationCOPYRIGHT 2001 U.S. Government Printing Office. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Every fall, wheat farmers in the Pacific Northwest gamble their next year's fortunes: They plant their seeds. Then nature rolls the dice. Will it rain enough to support a good crop? Will a sudden freeze kill the plants?
Several scientific discoveries may one day reduce such risks for growers of wheat--and perhaps of other crops as well. For example, researchers have long known that a hormone called abscisic acid (ABA) plays a role in how plants respond to weather stresses, such as cold and drought. ARS plant physiologist Kay Walker-Simmons and chemist Sue Abrams, who's with the National Research Council of Canada, discovered features of the ABA molecule that affect wheat ...
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