ISTA seed testing services

GGAS Hi-Tech Labs provides a diverse portfolio of seed testing and sampling services, supporting a wide range of species. All analyses are performed under the ISTA Rules, ensuring precision, traceability, and international compliance.

The laboratory holds accreditation to issue ISTA Blue and Orange International Certificates (BIC/OIC) for cereals, vegetables, and grasses species, covering major analytical areas including:

Physical purity
Other seeds determination
Germination testing
Viability assessment (grasses only)
Seeds weight evaluation

Clients seeking the detailed scope of accreditation are encouraged to contact the laboratory team.

The laboratory further offers official seed sampling services for lots intended for export certification, nationally and internationally ensuring compliance with ISTA and trade requirements.

Seed Testing Services

GGAS Hi-Tech Labs, we provide a comprehensive range of accredited seed testing services designed to ensure seed quality, purity, and performance in compliance with ISTA Rules. Our skilled analysts perform each test with precision and consistency to support both domestic and international certification requirements.

Physical Purity

This analysis determines the proportion of pure seed within a submitted sample and identifies the presence of inert matter and other crop seeds. It provides essential information about the physical quality and cleanliness of the seed lot.

Seed Weight Evaluation

Seed weight testing measures the average 1000 seed weight of a seed lot. offering valuable data for sowing rate calculations and seed quality assessment.

Germination Testing

Germination testing evaluates the potential of seeds to produce normal seedlings under optimal conditions. The results indicate the overall vitality and planting value of the seed lot.

Viability Assessment (Tetrazolium Test)

When quick results are required, or for species with dormant or slow-germinating seeds, a tetrazolium (TZ) test is used to assess the viability of embryos. This provides a rapid and reliable estimate of living seed percentage.

Other Seeds Determination

This test focuses on detecting and identifying any seeds of other crop present in the sample. The results help evaluate seed line purity and ensure compliance with export and certification standards.

All tests are conducted following ISTA protocols, ensuring internationally recognized and reliable results for certification and trade.

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ISTA seed testing services