Principles of Plant Breeding (2+1)

Production of Hybrids

1. Hand emasculation and dusting - Cotton, Tomato, Chillies, Bhendi.
2. Use of male sterile lines.
a) Cytoplasmic male sterility - Ornamentals
b) Genic male sterility - Redgram, Castor.
c) Cytoplasmic - genic male sterility Jowar, Bajra, Rice
3. Use of self in compatibility By planting cross compatible lines hybrids are produced. Here both are hybrids. – Brassicas, Fruit tree.