(1) Within the state of Washington, grape planting stock produced in a site found infested with a quarantine pest may only be moved from that site if it meets requirements of a pest management plan that is:

(a) Designed to prevent the spread of quarantine pests from that site; and

(b) Approved by the director.

(2) Grape planting stock entering the state must be accompanied by an official phytosanitary certificate that certifies the grape planting stock was produced in accordance with the regulations of an official grapevine virus certification program that includes inspection and testing for grapevine fanleaf virus, grapevine leafroll associated viruses, grapevine virus A, grapevine virus B, grapevine red blotch virus and Xylella fastidiosa (Pierce's disease strain). The official phytosanitary certificate must:

(a) Include a statement that "The grape planting stock was produced in accordance with the regulations of an official grapevine virus certification program in the state of origin."; and

(b) Include one of the following statements:

(i) "The grape planting stock was grown in and shipped from an area known to be free from grape phylloxera, vine mealybug, glassy winged sharpshooter, and European grapevine moth, by official survey"; or

(ii) "The grape planting stock was grown in containers of soilless media, in a greenhouse screened to exclude grape phylloxera, vine mealybug, glassy winged sharpshooter and European grapevine moth"; or

(iii) "The shipment consists entirely of tissue cultures in vitro, or plantlets ex vitro"; or

(iv) A statement that the grapevines, rootstock, or softwood cuttings were subjected to one of the two treatments in subsection (3) of this section, or other treatments determined to be effective and approved in writing by the director. The treated grapevines must be stored after treatment in a manner to prevent reinfestation. The details of the treatment must be listed on the accompanying phytosanitary certificate.

(3) Acceptable treatments for grapevine insect pests include:

(a) Hot water treatment. Dormant, rooted grapevines or rootstock shall be washed to remove all soil or other propagative media. Dormant rooted plants or rootstock shall be immersed in a hot water bath for a period of not less than three minutes nor more than five minutes at a temperature of not less than 125°F (52°C), nor more than 130°F (55°C); or

(b) Fumigation treatment. Grapevines, rootstock, or softwood cuttings may be treated with a fumigant labeled for such purpose.

(4) Each shipment of grape planting stock originating from a state infested with Xiphinema index as determined by the department must be accompanied by an official phytosanitary certificate that, in addition to the requirements in WAC 16-483-030(2), must include:

(a) A statement that "The potted grape plants in this shipment were grown in soilless media"; or

(b) A statement that "The grape planting stock in this shipment was grown in an area of the state where Xiphinema index is not found, by official survey"; or

(c) Where there is no recent official survey, a statement that "The grape planting stock in this shipment was grown in a field sampled and tested and found to be free from Xiphinema index in the growing season immediately prior to harvest. Official lab results are attached." Phytosanitary certificates providing this statement must be accompanied by test results from the growing season prior to harvest showing the vines were grown in a field free of Xiphinema index.

(5) All shipments of grape planting stock shall be plainly marked with the contents on the outside of the package or container as "grapevines," "grape rootstock," or "grape cuttings."

PDFWAC 16-483-030

Restrictions.