Hybrid Variety| Heterosis |

Content of this Lecture -
Operation involved in the production of hybrid variety -
1. Development of inbred lines
2. Evaluation of inbreds
3. Production of hybrid seed
Hybrid seed may be produced by the-
1) Cytoplasmic Genetic Male Sterility (CGMS)
2) Cytoplasmic Male Sterility (CMS)
3) Genetic Male Sterility (GMS)
4) Self - incompatibility
5) Manual emasculation and pollination
Improving the characteristics of inbred line - By
 Pedigree selection
 Backcross method
 Convergent improvement
 Gamete selection