Related Media Gallery for Fighting World Hunger: Researchers Use Nuclear Methods to Study Pest Resistance in Corn Plants
December 12th, 2016
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Western Corn Rootworm
The western corn rootworm was first classified as a corn pest in 1867. Its green relative, the northern corn rootworm, was classified as a corn pest in Illinois and Missouri by the late 1870s. Credit: Joseph Spencer, Illinois Natural History Survey.
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Radioisotope Tracer Administration
In a series of tests, the team injected radioisotope tracers in healthy and rootworm-infested corn plants. Credit: Richard Ferrieri Photo:
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PET Scan
By tagging auxin with a radioactive tracer, the researchers were able to use a medical diagnostic imaging tool call positron emission tomography, or PET imaging, to “watch” the movement of auxin in living plant roots in real time. Credit: Richard Ferrieri Photo:
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