50 years ago, scientists ID’d a threat to California wine country
Excerpt from the June 29, 1974 issue of Science News
When glassy-winged sharpshooters (one shown) latch onto a healthy grapevine, they can transmit the bacterium that causes Pierce's disease. The infection prevents the plant from getting water and nutrients, and it eventually dies.
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Sweet discovery for the wine industry — Science News, June 29, 1974
Pierce’s disease remains a problem for California grape growers.…