“Principles of Plant Breeding” provides comprehensive instruction on the genetic principles and practical breeding methodologies used to improve crop cultivars. Topics encompass reproductive biology, plant genetic resources, introduction, selection methods in self- and cross-pollinated crops, heterosis, male sterility systems, mutation breeding, and biotechnology applications in plant improvement.
Topics Covered
- Aims, Objectives and Historical Milestones of Plant Breeding
- Modes of Reproduction in Crop Plants – Asexual, Sexual, and Vegetative
- Apomixis – Classification, Mechanisms, and Significance in Plant Breeding
- Modes of Pollination – Self-Pollination (Autogamy) and Cross-Pollination (Allogamy)
- Floral Mechanisms Favoring Self- and Cross-Pollination (Chasmogamy, Cleistogamy, Dichogamy, Herkogamy)
- Self-Incompatibility – Heteromorphic, Homomorphic (Gametophytic and Sporophytic) Systems
- Male Sterility – Genetic Male Sterility (GMS), Cytoplasmic Male Sterility (CMS), and CGMS
- Plant Genetic Resources (PGR) – Gene Pool Concept, Centers of Origin, Germplasm Conservation
- Plant Introduction and Acclimatization – Procedure, Merits, and Demerits
- Domestication and Patterns of Crop Evolution
- Selection in Self-Pollinated Crops – Pureline Selection and Johannsen’s Pureline Theory
- Mass Selection – Procedure, Modifications, and Applications
- Hybridization in Self-Pollinated Crops – Pedigree Method of Breeding
- Bulk Breeding Method – Procedure, Merits, and Limitations
- Single Seed Descent (SSD) Method
- Backcross Breeding Method – Theory, Transfer of Dominant and Recessive Genes
- Multiline Varieties and Cultivar Mixtures for Disease Resistance
- Population Improvement and Recurrent Selection in Cross-Pollinated Crops
- Mass Selection in Cross-Pollinated Crops – Stratified (Grid) Mass Selection
- Progeny Selection Schemes – Ear-to-Row and Modified Ear-to-Row Methods
- Heterosis – Genetic Basis (Dominance, Overdominance, Epistasis Hypotheses) and Inbreeding Depression
- Development of Inbred Lines and Evaluation for Combining Ability (GCA and SCA)
- Exploitation of Hybrid Vigour in Commercial Crops and Hybrid Seed Production
- Synthetic and Composite Varieties – Concepts and Maintenance
- Breeding for Biotic Stress Resistance (Diseases and Insect Pests)
- Breeding for Abiotic Stress Resistance (Drought, Salinity, Cold, and Heat)
- Mutation Breeding – Gamma Rays, EMS, and Mutant Cultivar Development
- Polyploidy in Plant Breeding – Autopolyploids, Allopolyploids, and Aneuploids
- Distant Hybridization (Inter-specific and Inter-generic Crosses) and Embryo Rescue
- Participatory Plant Breeding and Intellectual Property Rights (PPV&FR Act)
File Details
| Title | Principles of Plant Breeding |
| File Name | GPBR211 – Principles of Plant Breeding.pdf |
| File Type | PDF Document (.pdf) |
| File Size | 5.21 MB |
| Total Pages | 194 Pages |