- Suitability to the ecological zone
- Selected planting materials should be favourable to the prevailing ecological conditions.
- Purity of the material.
- planting material should be clean and free from foreign materials.
- Germination percentage
- This is a measure of germination percentage of seeds. Seeds should have a high percentage. Lower seed rates are used for crops with higher germination percentage.
- Certified seeds
- These are seeds which have been tested & proved to have 100% germination potential.
- Free from diseases and pests.