News

The National Seed Health System (NSHS) is pleased to announce the release of a new validated seed health testing method for the detection of Tomato Mottle Mosaic Virus (ToMMV) in tomato and pepper seeds.

AMES, Iowa – Professionals in the seed industry will now have the opportunity to earn digital microcredential badges and continuing education units (CEUs) through Iowa State University’s upcoming Seed Health Testing Worksh

The National Seed Health System (NSHS) is proud to recognize Kelly Iverson, NSHS Program Coordinator, for successfully completing her Master of Science in Seed Technology and Business from Iowa State University.

A new review paper co-authored by NSHS experts has been published in the Annual Review of Phytopathology, a leading journal that publishes invited articles from top experts in the field.

Ames, IA – The National Seed Health System (NSHS) and the Online Graduate Program in Seed Technology and Business (STB) at Iowa State University are excited to announce that registration is now open for the hands-on seed health te

The National Seed Health System (NSHS) has made updates to testing methods for Curtobacterium flaccumfaciens pv. flaccumfaciens in beans.

The National Seed Health System (NSHS) is pleased to announce the launch of its 2025 seed health proficiency testing program, designed to ensure the accuracy and reliability of laboratories in detecting seed-borne pathogens.

The Iowa State University Seed Science Center is thrilled to introduce its newest team member, Jeffrey Williams, who joins as a Research Scientist III.

STA is hosting a webinar on Samplers Monitoring on Wednesday, March 27.

Soybean methods Sb 9.1 Phakopsora pachyrhizi, Sb 10.1 Phialophora gregatum, and Sb 11.1 Phytophthora megasperma fp. Glycinea are being archived. The three methods were identified as not being in use by accredited entities for several years.

Method So7.1 for ToBRFV version 2.0 is now available.

The National Seed Health System (NSHS) is pleased to announce they are now accepting credit cards as a form of payment for clients and accreditation fees.

On June 30, 2021, the NSHS Policies and Procedures Advisory Board (PPAB) approved changes to the accreditation fee structure, intending to streamline fee assessment and establish a funding level that will support financial self-sustainability for

NSHS has released statements for use on reports of NSHS accredited results.

When it comes to tackling problems, Iowa State University (ISU) Seed Science Center (SSC) Marketing Specialist l Calli Sandahl doesn’t give up until she finds a solution.  She says that is one of her strongest assets.  Calli, who graduat

Several NSHS-approved methods are linked to official methods of ISTA, the International Seed Testing Association. As of Jan 1, 2021, ISTA published revisions to several methods that are NSHS-approved.

The following Temporary Standard (B methods) have been recently Archived by the NSHS:

Pe 1.2   Ascochyta pinodes – agar plate
Pe 1.3   Ascochyta pinodes – blotter/agar
Pe 1.4   Ascochyta pinodella

Testing tomato and pepper seeds for Tomato brown rugose fruit virus (ToBRFV) has become an urgent seed industry need because of import requirements in the European Union (EU) and many other countries.