State Exterior 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.

Arizona. Entire state.

Arkansas. Entire counties of Lafayette, Little River, and Miller.

Louisiana. The entire parishes of Bossier and Caddo.

Nevada. Entire county of Clark.

New Mexico. Entire counties of Chaves, Doña Ana, Eddy, Grant, Hidalgo, Lea, Luna, Sierra.

Oklahoma. Entire state.

Texas. Entire state.

Utah. Entire county of Washington.

C. Articles and Commodities Covered. All soil, nursery stock, or plants with roots, except as provided in subsection (D.2) below, are declared to be hosts or possible carriers of the pest herein quarantined against.

D. Restrictions. Articles and commodities covered are prohibited entry into California from the area under quarantine except as provided below:

1. Certification Requirement. Articles and commodities covered will be permitted entry into California from the area under quarantine provided they are accompanied by a certificate issued by a duly authorized agricultural official of the state of origin, establishing the fact that all material contained in the lot or shipment was grown in a manner approved by the Secretary to assure freedom from ozonium root rot or originated on premises determined to be free from ozonium root rot.

2. Exceptions. Exemptions of Certain Commodities. No restrictions are placed by this regulation upon the entry of the following:

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 fiber; and air-layered rooted cuttings, if free from soil.

f. Articles and commodities covered when determined by the director not to present a risk of carrying ozonium root rot because of their condition or their manner of growth or production.


APPENDIX A 03-09-89

The Oklahoma Department of Agriculture has issued Ozonium Root Rot Certificate No. 1 to Stark Brothers Nurseries and Orchard Co. (General Office in Louisiana, Missouri), Certificate No. 2 to Inter-State Nurseries, Inc. (Hamburg, Iowa), Certificate No. 3 to Michigan Bulb and Flower of the Month Club, and Certificate No. 4 to Kelly Nurseries. In instances where several packages of plant material are shipped at the same time to the same receiver, both nurseries will be attaching one certificate to one package and putting the same certificate number on the packing slips for the remaining packages.