OZONIUM ROOT ROT
State Interior Quarantine
A quarantine is established against the following pest, its hosts, and possible carriers:
A. Pest. Ozonium root rot (Phymatotrichum [Ozonium] omnivorum), a fungus carried on the roots of plants and in moist soil.
B. Area Under Quarantine.
Imperial County: The entire county.
Riverside County: All that portion of Riverside County described as follows:
Palo Verde Area: Beginning at the point of intersection of the north line of Township 5 South, San Bernardino Meridian, and the mid-line of the Colorado River; then running due west along said north line of Township 5 South to the west line of Range 21 East; then south on said west line of Range 21 East to the south line of Township 8 South; then east on the south line of Township 8 South to the mid-line of the Colorado River; then northerly along the mid-line of the Colorado River to the point of beginning.
Coachella Valley Area: (1) Beginning 548 feet south of northwest corner of the northwest one-fourth Section 22 in Township 5 South, Range 7 East, San Bernardino Meridian; then south 528 feet; then east 2,625 feet; then north 528 feet; then west 2,625 feet to the point of beginning; and (2) all that portion of Riverside County described as follows: The south 50 feet of the 5-acre tract located in the northwest one-fourth of Section 22 in Township 5 South, Range 7 East, San Bernardino Meridian, described as follows: Beginning 20 feet south and 427.5 feet west of the northeast corner of the northwest one-fourth of Section 22 in Township 5 South, Range 7 East, San Bernardino Meridian; then west 412.5 feet; then south 528 feet; then east 412.5 feet; then north 528 feet to the point of beginning.
San Diego County: All that portion of San Diego County described as follows:
Jacumba Area: Sections 4, 5, 7, 8, and 9, in Township 18 South, Range 8 East, San Bernardino Meridian.
C. Articles and Commodities Covered. All soil, nursery stock, or plants with roots except as provided in subsection (D.2) are declared to be hosts or possible carriers of the pest quarantined against.
1. Certification Requirements. Except for those exemptions provided in subsection (D.2), articles and commodities covered are prohibited movement from the area under quarantine unless accompanied by a certificate issued by the agricultural commissioner. The certificate shall be issued when: (a) articles and commodities originate on premises free from ozonium root rot; or (b) articles and commodities originate from outside the area under quarantine and were safeguarded against infection by ozonium root rot while within the area under quarantine; or (c) articles and commodities were protected from infection by ozonium root rot and proper safeguard actions had been completed to the satisfaction of the commissioner.
2. Exceptions. No restrictions are placed by this regulation upon the movement of the following articles and commodities from the area under quarantine to points outside thereof:
a. House plants grown in the home and not for sale.
b. Smooth root vegetables such as potatoes, sweet potatoes, carrots, onions, turnips, and beets if not for planting and free from moist clods of soil, except that this exemption does not apply to mangels and sugar beets.
c. Sugar beets for processing, provided the beets are screened prior to or while loading to remove moist clods of soil.
d. Cactus plants with roots, provided the roots are dry and free of soil.
e. Aquatic plants such as water hyacinth and water lilies; dry resurrection plants; orchid plants growing in osmunda fibre; and air-layered rooted cuttings, if free from soil.