Vacaville, Calif.—Mercier California grapevine nursery has launched a new production protocol it's calling “Clean Process” to prevent the spread of vine diseases. The patented process employs anolyte disinfection and testing for red blotch and other diseases. Mercier also announced it’s offering the use of its research and development laboratory in France called Novatech for plant material analysis by clients in the United States. Details: mercier-california.com.