Class Activity 29/03/2023

A seed is a living product that must be grown, harvested, and processed correctly to maximise its viability and subsequent crop productivity.

• True

• False

Every country have different standards for seed quality. Which of the following factors are used for rice seeds classification?

• Germination

• Moisture content

• Varietal purity

• Weed and other crop seeds

The characteristics of certified seeds are high in genetic purity, high in germination and vigorous, and good quality which are free from disease and free from damaged or immature seed.

• True

• False

Breeder seed is the progeny of the foundation seed grown by selected farmers, handled to maintain genetic purity and identify, and has undergone field and seed inspections to ensure conformity with standards.

• True

• False

Foundation seed is the progeny of the breeder seed, produced by trained officers of an agricultural station in conformity with regulated national standards and handled to maintain genetic purity and identity of the variety.

• True

• False

A germination test determines the percentage of seeds that are alive in any seed lot.

• True

• False

A germination test is often the only test a farmer can conduct on the seed to determine if it is suitable for planting.

• True

• False

Certified seed is the progeny of foundation, registered, or certified seeds, handled to maintain sufficient varietal identity and purity, grown by selected farmers under prescribed conditions of culture and isolation, and subjected to field and seed inspections prior to approval by the certifying agency. Harvest from this class is used for commercial planting.

• True

• False

Why is it important to select good quality seeds for growing paddy?

• Good quality seed can increase yield by 5% to 20%

• Faster growth rate

• Better resistance to stress and disease

• Less replanting

Good quality seeds have ____________.

• 75% germination rate

• 80% germination rate

• 85% germination rate

• 90% germination rate