Corn Purity and Noxious Weed Examination

Corn seed shaken over a slotted screen for purity testing

Methods

Purity and Noxious weed seed examination or Other Seed determination can be conducted using the Association Official Seed Analysts (ASOA) or International Seed Testing Association (ISTA) testing methods. 1,000 grams should be tested to meet ISTA requirements.

What is Reported

Pure seed, inert matter (broken seeds, cobs), other crop seed and weed seed are reported with the number of seeds per pound.  Any USA noxious weed seeds are reported separately.

Value of Results

Assures customer of clean pure seed free of undesirable seeds. Required for the seed label in accordance with Federal Seed Act.

Seed Academy

Seed Sizing

Seed Export

Resources & Research

40F Cold Test for Early Planted Corn

Adventitious Presence (AP) Testing of Seed or Grain

Bulk Electrical Conductivity Test

Corn Pericarp Damage & Starter Fertilizers

Corn Sizing Services

Corn Seed Tests

Corn Traits ELISA Testing 

PCR Confirmation of Non-Trait Seeds/Seedlings

Pericarp Damage in Seed Corn

Saturated Cold Test Evolution

Standardizing Corn Terminology

Analysis Report Index Table

Federal Seed Act (FSA)