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 Image Number
K10871-1
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Peter Landolt, head of ARS's Fruit and Vegetable Insect Research Unit,
Wapato, Washington, applies a plant hormone precursor to a potato plant to
induce chemical defenses against insects.
Photo by Peggy Greb.
640 pixels wide: (k10871-1.jpg)
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Last Modified: 05/23/2006
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