NUT TREE PESTS
State Exterior Quarantine
A quarantine is established against the following pests, their hosts and possible carriers:
1. Two nut tree case-bearers, Acrobasis juglandis (LeBaron) and A. nuxvorella (Neunzig). Both insects are serious pests of pecan; the former also attacks hickory and walnut.
2. The pathogen that causes brooming disease of walnut. Brooming is a virus-like disease that drastically reduces nut production and sometimes causes death of the host tree.
3. Pecan phylloxera, Phylloxera devastatrix.
B. Area Under Quarantine.
1. On account of the nut tree case-bearers, all states and districts east of and including Montana, Wyoming, Colorado, Oklahoma, and Texas; in New Mexico, the counties of Chaves, Eddy, and Lea.
2. On account of pecan phylloxera, the states of Alabama, Arkansas, Louisiana, Mississippi, Oklahoma and Texas.
3. On account of brooming disease, all states and districts of the United States, except Arizona.
C. Articles and Commodities Covered. Trees and all parts capable of propagation (buds, scions, rootstocks, etc.), except nuts, of all species of the genera Juglans (walnut and butternut) and Carya (hickory and pecan).
D. Restrictions. All commodities and articles covered are prohibited entry into the state from the area under quarantine unless specified conditions (listed below) are met.
1. All species of Juglans (walnut, butternut) trees and parts capable of propagation, except nuts, are:
a. Prohibited entry into California from any state east of the eastern borders of Idaho, Utah, and Arizona.
b. Admissible into California from Idaho, Nevada, Oregon, Utah, and Washington provided each lot is accompanied by a certificate issued by the Department of Agriculture of the state of origin affirming (1) the material was grown in the state of origin, (2) brooming disease is unknown in the state of origin, and (3) the amount and kind of commodities covered.
2. All species of Carya (hickory, pecan) trees, buds, and scions from states east of the eastern borders of Idaho, Utah, and Arizona the area under quarantine in subsections (B.1) and (B.2) are:
a. Admissible if treated at origin provided each lot is accompanied by a certificate issued by an authorized agricultural official affirming that the trees, buds, and/or scions have been treated for the pests quarantined against by a method approved by the director.
b. Admissible provided each lot is accompanied by a certificate issued by an authorized representative of the origin Department of Agriculture
1. affirming the commodities were grown in the state of origin in a county which is not infested with pecan phylloxera and the nut tree case-bearers quarantined against, and
2. setting forth the amount and kind of commodities covered by the certificate.
c. Admissible by permit, issued by the Director
of the California Department of Food and Agriculture, requiring treatment
at destination. Entry subject to treatment for the pests quarantined against
upon arrival at destination may be allowed by permit obtained prior to
shipment of the restricted material. The permit may specify the disinfection
or treatment, restrict the method of transportation, and limit the size
and quantity of the shipment, as well as designate terminal point of delivery
where treatment facilities are available.
APPENDIX A 11-02-89
The New Mexico Department of Agriculture has a Pecan Nut Case-bearer Interior Quarantine which regulates Chaves, De Baca, Eddy, Lea and Roosevelt counties to prevent the spread of pecan nut case-bearer. Therefore, articles and commodities covered under this quarantine originating from De Baca and Roosevelt counties should be admitted only if they qualify under the provisions of this quarantine. Articles and commodities from De Baca and Roosevelt counties not qualifying for California entry should be rejected under authority of Section 6461.5 of the FAC.