Suspension of Potato Spindle Tuber Viroid method

October 2016:

The use of NSHS Method So 6.1, Potato Spindle Tuber Viroid – tomato, has been suspended and the method has been removed from the approved NSHS list. Effective October 14, 2016, this method cannot be used to support phytosanitary certification. NSHS is working with stakeholders to facilitate revision of the method, as well as the availability of alternative methods for PSTVd testing for phytosanitary certification.