Where the guayule meets the road

USDA Agricultural Research Service sent this bulletin at 04/26/2022 08:00 AM EDT

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Collection Highlights

Diagram of guayule extraction process starting with the plant and and ending with a block of rubber

The Emergency Rubber Project: a report on our wartime guayule program, 1946 (NAL collection)

As the sources for rubber in the Pacific diminished during World War II, the U.S. Department of Agriculture investigated growing guayule (Parthenium argentatum), a perennial woody shrub well-known as a source of rubber. Read about the work of the USDA Forest Service in The Emergency Rubber Project: a report on our wartime guayule program.