Image Number D4033-1
ARS chemist Michael Jackson observes flowering cuphea plants growing at the ARS National Center for Agricultural Utilization Research in Peoria, Illinois. He and his colleagues adapted a process for converting fatty acids from cuphea oil into an insect repellent that worked as well as or better than DEET in preliminary trials.
Photo by Janine E. Donahue, ARS.
640 pixels wide: (d4033-1.jpg)
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