Since 2000, the California Department of Food and Agriculture (CDFA), has spent approximately $40 million per year to contain and control the Glassy Winged Sharpshooter (GWSS), which spreads Pierce’s Disease (PD). Compliance with the program has cost the nursery industry approximately $7...

Pierce’s Disease (PD) of grapevines costs more than $100 million per year, even with public control programs in place that cost $50 million per year (Tumber et al., 2012). If the PD Control Program ended, and the GWSS was distributed freely throughout California, the annual cost to the...

Pierce’s Disease (PD) of grapevines costs more than $100 million per year, even with public control programs in place that cost $50 million per year (Tumber et al., 2012). If the PD Control Program ended, and the GWSS was distributed freely throughout California, the annual cost to the...

Viruses and related pathogens have no cure and impose large costs on plant production. These diseases are typically spread through infected planting stock and plant propagation material. However, virus spread can be minimized if clean stock is used. We examine the costs and benefits of a virus...