National blueberry certification scheme in the United States

Pilot studies to evaluate the feasibility and effectiveness of the proposed National Blueberry Certification Scheme are underway in three states with a tradition in blueberry propagation (Michigan, Oregon and Washington). The guidelines describe propagation, testing and maintenance procedures at four stages (generations NDASH G-levels) in the certification scheme. Plants are tested for different sets of viruses based on the G-level and geographic location of the certified nursery. Guidelines for best management practices have been developed based on scientific knowledge and experience of state regulatory agencies and the nursery industry. The ultimate goal of this project is to provide an effective certification scheme that will allow for the interstate movement of blueberry propagation material and reduce constraints on exports.