MENDOCINO, NAPA, NEVADA AND SONOMA COUNTIES: By county ordinance, all green-growing (bearing leaves) grapevines are prohibited entry into these counties due to the threat of Western grape-leaf skeletonizer (Harrisiana brillians) unless accompanied by an origin certificate or a treatment certificate, as described below:
1. An origin certificate may be issued by the agricultural commissioner or authorized representative in the shipping county after a survey for Western grape-leaf skeletonizer (GLS) has determined that the pest does not occur in the growing area, holding area or within a one-mile radius of these areas. The origin certificate shall include the statement "No GLS is known to exist in the area where the vines were grown or held."
2. Certificate of treatment affirming that the grapevines have been treated by at least one of the following methods:
a. Treatment with 6 to 8 pounds of cryolite per acre, with thorough cover; and/or
b. Other insecticidal treatments approved in writing by the destination county agricultural commissioner.
All shipments of green-growing grapevines destined to the above listed counties shall be held at destination for inspection by the county agricultural commissioner or authorized representative.
Certificates - Use "Certificate of Quarantine Compliance", Form 66-079, to certify material.
Enforcement - Any person, firm, partnership, association, or corporation who violates or causes the violation of any of the provisions of this Article shall be guilty of a misdemeanor, and upon conviction thereof shall be punishable by a fine up to the maximum amount allowed by the California Penal Code for a misdemeanor or by imprisonment in the County jail for a period of up to the maximum period allowed for a misdemeanor under the California Penal Code, or by both such fine and imprisonment.
LAKE AND SAN JOAQUIN COUNTIES do not have county ordinances concerning Western grape-leaf skeletonizer (Harrisiana brillians) but are concerned with the movement of grapevines and cuttings into their counties.
Contact the counties for any details.
California Nursery Stock Certificates should not be used for shipping grapevines and cuttings to any of the named counties. Such material must be shipped under blue tag.