AGRIFRIENDBD

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