New Method Now Available - Acidovorax citrulli August 2017: Cb 1.6 Acidovorax citrulli – ISHI Method, ISHI Method: ver 1.0 (07/2017)= New method has been approved as a Standard (Class A). Please note that NSHS methods Cb 1.2, Cb 1.3, [...]
NSHS Launches New Website June 2017: The National Seed Health System has launched a brand new website. Current news and updates are published under the Updates menu. You will find the Seed Health Testing Methods, as well as a comprehensive list of all the [...]
Revision of NSHS Lcb 9.1 Method May 2017: Lcb 9.1 Lettuce Mosaic Virus - ISHI Method has been updated to version 1.1 (ISHI Vegetable Seed, Version 4.3, Feb 2017).
Revised Accreditation Application and Instructions - Now Available March 2017: NSHS has revised the Accreditation Application form and provided new instructions. The new application is designed to be more user friendly and accommodate a higher volume of requested tests.
New Method Now Available - Corn Salad March 2017: Lcb 10.1 Acidovorax valerianellae - corn salad, ISTA Method 7-030: ver 1.1 (2017)= New method has been approved as a Standard (Class A).
Numbering Changes to NSHS Method Codes January 2017: Numbered codes for NSHS-approved methods were initially established in 2001. As the method list has grown, it has become evident that some inconsistencies developed. In order to resolve these inconsistencies, codes for [...]
Revisions to NSHS Methods January 2017: Several NSHS-approved methods are linked to official methods of ISTA, the International Seed Testing Association. As of Jan 1, 2017, ISTA published revisions to several methods that are NSHS-approved. These are minor revisions, and [...]
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, [...]
Field Inspection Procedure September 2016: Editorial updates have been made to the protocol for field inspections. Changes were made to clarify the diagnosis of diseases found during inspections. Additionally, there must be an agreement in writing with any 3rd party [...]
Corn and Soybean ELISA protocols September 2016: Recently changes were made to NSHS protocols for corn and soybean ELISA methods. Previously, these methods listed only one antibody vendor. Changes have been made to specify that antibodies from other vendors, that [...]