Nursery Stock Approved Treatment Protocol
- GWSS Nursery Stock Approved Treatment Manual (BMP's)
- Nursery Stock Approved Treatment Protocol
- CQC Expiration Timetable
Nursery Regulatory Program
Nursery stock is a high-risk commodity for spreading glassy-winged sharpshooter (GWSS). California has approximately 11,500 licensed nurseries, 72 % of which are located in the sharpshooter-infested counties. There are over 450 nurseries situated in the infested area, which have a signed compliance agreement enabling them to ship plant material to the non-infested areas of the state. All shipments destined to non-infested areas of the state are thoroughly inspected at origin, and if needed, treated. These certified loads are often inspected again at the receiving nursery prior to sale by the destination county agricultural inspectors. With the current mitigation procedures in place, the most common life stage of GWSS found (over 90%) during nursery stock inspections is the eggs. Nursery stock shipments found to contain a viable life stage at destination are generally returned to the origin nursery.
In 2007, there were approximately 73,000 certified loads shipped from infested areas to non-infested areas of the state. Viable life stages of glassy-winged sharpshooter were found on only 46 of these shipments. This illustrates that 99.94% of nursery stock shipments that arrived at destinations are free from GWSS. Since 2001, the total number of shipments from the infested areas has increased by 26% while the number of problem shipments has decreased by 46%.