Oilseeds Services
Oilseed Tetrazolium Test
Sunflower Seeds showing red staining from Tetrazolium testing
Methods
Tetrazolium tests are conducted on a 200 seed sample. Seeds are typically imbibed for 16 hours and bisected through the embryo or pierced then soaked in 0.1% or 1% tetrazolium solution.
What is Reported
A percentage of viable seed (normal staining embryos and any dormant seeds).
Value of Results
Tetrazolium is a quick estimate of germination and can be useful in determining viability of hard seeds.
Resources & Research
Agronomically Accurate Seed Testing Results
SoDak Lab's goal is to deliver fast, accurate, and diagnostic seed testing services.