Characteristics/attributes of quality seed

1. Genetic purity: Genetic purity refers to the percentage of contamination ….of the seed planted must equal or exceed … generation of propagation. 

For example, Breeder seed 100%, Foundation seed 99%, certified seed 98%.

2. Physical purity: Physical purity of seed is the proportion of pure seed component ….crop should be 98% and seed lot should be free from …..other field impurities.

3. Germination percentage: The quality seed should have germination percentage according to the standard of Indian …… in the field.

4. Vigour: Seed vigour is the sum total of those properties ….. lot during germination and seedling emergence. In general it is the potential of seed …..good yield.

5. Viability: The viability of the seed is a measure of seed …. conditions. It is measured through tetrazolium chloride test.

6. Moisture content: The moisture content is the amount of water ….. have optimum moisture content in good quality seed. 

For example, Cereals: 10-12 %, Pulses: 7-9% and Oilseeds:6-7%, Vegetables: 5%