Washington Administrative Code
Title 16 - Agriculture, Department of (See also Titles 24, 60, and 142)
QUARANTINE ORDERS AND PLANT MOVEMENT
Chapter 16-470 - Quarantine-Agricultural pests
Section 16-470-320 - Onion white rot disease - Restrictions - Control - Prevention - Sanitation

(1) No person shall transport onion bulbs, sets or seedlings into the pest-free area for the purpose of planting or propagation, except those that are certified free of onion white rot disease by the plant protection organization of the state of origin.

(2) Except as provided in this chapter, no person shall bring machinery, tools, or equipment, previously used in onion production, into the pest-free area unless the machinery, tools, or equipment have been cleaned and sanitized prior to movement into the pest-free area. Cleaning must include the thorough removal of all soil and debris followed by sanitization with steam under pressure or other methods approved by the department.

(3) Livestock which have been pastured on fields infested with Sclerotium cepivorum or which have been fed white rot infested plant parts may not be transported into the pest-free area. Onion plants or plant parts may not be transported into the pest-free area for livestock feed. No restrictions are imposed by this section on livestock moving to feed lots, sale yards, or exhibition sites (such as fairgrounds, shows, etc.) in the pest-free area.