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Please submit the correct sample size for the test required.

Germination and Vigour Tests
Most tests of this type require approximately 250 grams or 1 cup of seed. For very large seeds such as some types of peas or beans, up to twice as much seed may be required.

Disease and Seed Health Tests
The quantity of seed for most disease testing is the same as a germination test. Some tests with special requirements may require larger amounts of seed.

Purity Tests
Test volumes for purity and % pure seed vary with crop type and are available on the purity weight form.

Rhizobia Test
Small seeded legumes require a 1 cup sample. Large seeded legumes require a minimum 2 cup sample. Inoculant, loose peat, granules, and liquid  should be tested in the original sealed container size.

Canadian Seed Institute Samples
Follow the CSI instructions for the crop type and the weight to be submitted. Example: Wheat, Purity = a minimum of 1 kg of seed.

APHIS Samples
Quantities of seed to be tested for an APHIS certificate for export to the US vary with crop type. Please contact us for the correct volume required.

Soil Samples
We test soil for clubroot and for a weed check analysis. It is preferable to have a minimum 2 cup or 1 kg sample size.

Plant Specimens
Root samples for clubroot analysis should have only one plant per bag and other plant or leaf samples should contain an adequate amount for representation of the tissue. Please pack fresh samples with moist paper towel and drop off at lab or ship by overnight courier only. Pack in a cooler with ice packs if possible. Do not allow sample to contact ice directly.

FLAX / TRIFFID Tests
This test requires either 1 or 2 kg of seed. Please CLICK HERE to use the FLAX SAMPLE SUBMISSION FORM for all samples and to confirm the exact amount of seed required.

If you’re still unsure of the sample size required for your test, please contact us.

Please submit the correct sample size for the test required.

Germination and Vigour Tests
Most tests of this type require approximately 250 grams or 1 cup of seed. For very large seeds such as some types of peas or beans, up to twice as much seed may be required.

Disease and Seed Health Tests
The quantity of seed for most disease testing is the same as a germination test. Some tests with special requirements may require larger amounts of seed.

Purity Tests
Test volumes for purity and % pure seed vary with crop type and are available on the purity weight form.

Rhizobia Test
Small seeded legumes require a 1 cup sample. Large seeded legumes require a minimum 2 cup sample. Inoculant, loose peat, granules, and liquid  should be tested in the original sealed container size.

Canadian Seed Institute Samples
Follow the CSI instructions for the crop type and the weight to be submitted. Example: Wheat, Purity = a minimum of 1 kg of seed.

APHIS Samples
Quantities of seed to be tested for an APHIS certificate for export to the US vary with crop type. Please contact us for the correct volume required.

Soil Samples
We test soil for clubroot and for a weed check analysis. It is preferable to have a minimum 2 cup or 1 kg sample size.

Plant Specimens
Root samples for clubroot analysis should have only one plant per bag and other plant or leaf samples should contain an adequate amount for representation of the tissue. Please pack fresh samples with moist paper towel and drop off at lab or ship by overnight courier only. Pack in a cooler with ice packs if possible. Do not allow sample to contact ice directly.

FLAX / TRIFFID Tests
This test requires either 1 or 2 kg of seed. Please CLICK HERE to use the FLAX SAMPLE SUBMISSION FORM for all samples and to confirm the exact amount of seed required.

If you’re still unsure of the sample size required for your test, please contact us.