Seed production advantages of self-incompatible lines: 1. Save manual castration. 2. Reduce the cost of seed production. 3. Ensure high hybridization rate. 4. You don't need to choose a maintenance line. Disadvantages: it is difficult to obtain self-bred seeds, and the production cost of hybrid seeds is low.
Advantages of male sterility: 1. Save manual castration. 2. Reduce the cost of seed production. 3. Ensure high hybridization rate.
Disadvantages: 1 Need to select maintainer lines. It is difficult to produce hybrid seeds.