HYBRID RICE RESEARCH
STEP IN HYBRID RICE RESEARCH
1. Sources Nursery
2. Test Cross Nursery
3. Back Cross Nursery
4. CMS Maintenance
5. Purification
6. Synchronization
7. (B x B) F1—F2 Female Line
8. (R x R) F1—F2 Male Line
9. Parent Study
HYBRID RICE TRIAL & PART OF EVALUATION
1. Experimental Hybrid
2. Observation Yield Trial (OYT)
3. Advanced Yield Trial (AYT)
4. Multilocation Trial (MLT)
5. Breeder Seed Production (A x B)
6. Foundation Seed Production (A x B)
7. Hybrid Seed Production (A x R)
VARIETY INNOVATION STEP
TCN → BCN → CMS(A) → (A × R) → F1(OYT) → AYT → MLT → PDS → SCA → Farmer
HYBRID RICE CONCENTRATION PHASE
