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1 week ago

Costco grape plants spark fears of devastating threat to American farms

Grape plants sold at several Costco locations in California may pose a serious threat to California vineyards and agriculture after inspectors discovered an invasive insect known for spreading a deadly grapevine disease.The San Joaquin County Agricultural Commissioner's Office said inspectors discovered the glassy-winged sharpshooter on grape plants sold at Costco stores in Stockton, Lodi, Manteca and Tracy. The plants were supplied by a wholesale nursery in Fresno County.The insect spreads the bacterium that causes Pierce's disease, which kills grapevines and can also damage almond, citrus an...