Table 3.
Details of spikelet fertility (%) and grain yield of the parents, improved lines of RPHR-1005 and their derived experimental hybrids and standard heterosis of the hybrids during wet season 2015.
| S. No. | Cross/Genotype | Genes are present | Spikelet fertility (%) | Grain yield per plant (gm) | Grain yield heterosis over Standard check BPT 5204 (%) | Grain yield heterosis over hybrid check DRRH3 (%) |
|---|---|---|---|---|---|---|
| 1 | RPHR-1005 | – | 93.0 ± 1.5 | 26.3 ± 0.1 | – | – |
| 2 | RPBio Patho-1 | Xa21 + Pi2 | 84.0 ± 1.5 | 25.2 ± 0.3 | – | – |
| 3 | RPBio Patho-2 | Xa21 + Pi54 | 84.7 ± 3.2 | 26.4 ± 0.1 | – | – |
| 4 | FBR1-15 | Xa33 | 78.3 ± 1.2 | 19.4 ± 0.2 | - | – |
| 5 | Samba Mahsuri | – | 94.3 ± 1.5 | 15.9 ± 0.8 | – | – |
| 6 | DRRH3 (RPHR-1005 X APMS6A) | – | 87.0 ± 2.0 | 18.5 ± 0.9 | 16.3* | – |
| 7 | H-1 (RPC-I-9-27-79-179-7 X APMS6A) | Xa21 + Pi2 | 84.7 ± 2.0 | 19.2 ± 0.1 | 20.7* | 3.7 |
| 8 | H-2 (RPC-I-9-27-79-179-29 X APMS6A) | Xa21 + Pi2 | 84.0 ± 1.5 | 19.2 ±0.2 | 20.7* | 3.7 |
| 9 | H-3 (RPC-I-9-27-79-179-120 X APMS6A) | Xa21 + Pi2 | 86.0 ± 1.7 | 19.7 ±0.1 | 23.8* | 6.4# |
| 10 | H-4 (RPC-II-38-213-63-259-3 X APMS6A) | Xa21 + Pi54 | 87.0 ± 1.5 | 19.5 ±0.2 | 22.6* | 5.4# |
| 11 | H-5 (RPC-II-38-213-63-259-9 X APMS6A) | Xa21 + Pi54 | 90.0 ± 1.0 | 20.2 ± 0.1 | 27.0* | 9.1# |
| 12 | H-6 (RPC-II-38-213-63-259-62 X APMS6A) | Xa21 + Pi54 | 91.7 ± 2.0 | 20.5 ±0.1 | 31.4* | 10.8# |
| 13 | H-7 (RPIC1-12-196-12 X APMS6A) | Xa21 + Pi2 + Pi54 | 81.7 ± 1.8 | 19.9 ± 0.6 | 25.1* | 7.5# |
| 14 | H-8 (RPIC1-12-196-15 X APMS6A) | Xa21 + Pi2 + Pi54 | 82.0 ± 1.5 | 19.5 ± 1.5 | 22.6* | 5.4# |
| 15 | H-9 (RPIC1-12-196-36 X APMS6A) | Xa21 + Pi2 + Pi54 | 87.7 ± 2.0 | 19.9 ± 1.4 | 25.1* | 7.5# |
| 16 | H-10 (RPIC1-12-196-45 X APMS6A) | Xa21 + Pi2 + Pi54 | 92.0 ± 1.2 | 20.9 ± 1.0 | 26.4* | 12.9# |
| 17 | H-11 (RPIC2-53-640-6 X APMS6A) | Xa21 + Xa33 + Pi54 | 87.7 ± 1.9 | 19.4 ± 0.8 | 22.0* | 4.8 |
| 18 | H-12 (RPIC2-53-640-18 X APMS6A) | Xa21 + Xa33 + Pi54 | 88.0 ± 1.5 | 19.5 ± 0.5 | 22.6* | 5.4# |
| 19 | H-13 (RPIC2-53-640-35 X APMS6A) | Xa21 + Xa33 + Pi54 | 88.0 ± 3.8 | 19.5 ± 0.9 | 22.6* | 5.4# |
| 20 | H-14 (RPIC2-53-640-43 X APMS6A) | Xa21 + Xa33 + Pi54 | 90.0 ± 2.3 | 20.7 ± 0.7 | 25.7* | 11.8# |
| 21 | H-15 (RPDIC-9-786-1 X APMS6A) | Xa21 + Xa33 + Pi2 + Pi54 | 88.0 ± 1.2 | 19.7 ± 1.2 | 23.8* | 6.4# |
| 22 | H-16 (RPDIC-9-786-19 X APMS6A) | Xa21 + Xa33 + Pi2 + Pi54 | 92.3 ± 1.2 | 20.1 ± 0.7 | 26.4* | 8.6# |
| 23 | H-17 (RPDIC-9-786-25 X APMS6A) | Xa21 + Xa33 + Pi2 + Pi54 | 92.7 ± 1.9 | 20.1 ± 0.4 | 26.4* | 8.6# |
| 24 | H-18 (RPDIC-9-786-46 X APMS6A) | Xa21 + Xa33 + Pi2 + Pi54 | 93.0 ± 2.0 | 21.1 ± 0.4 | 32.7* | 14.0# |
| 25 | H-19 (RPDIC-9-786-78 X APMS6A) | Xa21 + Xa33 + Pi2 + Pi54 | 93.3 ± 0.9 | 22.0 ± 0.7 | 38.3* | 18.9# |
*
Significantly higher heterosis (i.e., by >10%) as compared to the check variety (i.e., BPT5204).
#
Significantly higher heterosis (i.e., by >5%) as compared to the check hybrid (i.e., DRRH-3).