1. Pre-basic seed
Pre-basic seed developed by the breeder for crop production. It has high genetic purity and purity controlled by the breeder/sponsoring agency, so is called breeder's seed. The amount too small so multiplication is required. To maintain genetic purity multiplication restricted to
a specific area and climate. It is an initial source of all seed classes. White tag having a diagonal violet line for identification
2. Basic Seed
The basic seed is the progeny of the pre-basic seed. This seed is carefully prepared to maintain genetic purity. The federal seed certification department checks the quality and decides for further multiplication. It has a white tag on the bag.
3. Certified seed
Certified seed is the progeny of the basic seed and produced by registered growers and selected by seed cooperation. After registration by the federal seed certification department
the seeds are produced, cleaned, and packed. and regulated by the certification agency. Seed co-operation provides certified seed to growers. It has purple tags on bags.
4. Approved seed
The approved seed is the progeny of the certified seed. It is grown in quarantined and isolated areas and produced and distributed by the seed agencies. It has blue tags on bags.
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