TABLE 4.
Morpho-physiological trait observations of recurrent parent and derived lines under heat stress.
| HD2733 (s) | BC2F3 (%gain) | BC1F4 (%gain) | T test | p-value | CD (5%) | |
|---|---|---|---|---|---|---|
| DH | 87 | 83 (4.5%) | 80 (8%) | −3.04 | 0.004 | 4.3 |
| DM | 122 | 116 (4.9%) | 113 (7.3%) | −3.44 | 0.001 | 2.86 |
| CT | 19.84 | 19.5 (1.7%) | 20.55 | 3.95 | 0 | 1.47 |
| NDVI | 0.8 | 0.78 | 0.79 | 6.06 | 0 | 0.036 |
| %GC | 21.85 | 20.93 | 23.72 (8.5%) | 7.48 | 0 | 1.66 |
| MSI | 172.44 | 287.95 (66.9%) | 199.91 (15.9%) | −4.43 | 0 | 14.21 |
| SC | 355.5 | 324.33 | 387.02 (8.8%) | 2.89 | 0.005 | 39.95 |
| ChL content | 49.51 | 51.03 (3%) | 48.71 | −4.13 | 0 | 0.84 |
| Spk/sp | 18.4 | 19.2 (4.3%) | 18.6 (1%) | −2.41 | 0.019 | 0.49 |
| Seeds/5spikes | 191.5 | 204.4 (6.7%) | 203 (6%) | −0.10 | 0.922 | 27.94 |
| Tillers/pl | 13.2 | 13.6 (3%) | 11.2 | −3.8 | 0 | 1.35 |
| TKW | 42.46 | 40.9 | 46.04 (8.4%) | 2.7 | 0.009 | 3.86 |
| Yield/5 pl | 47.43 | 64.3 (35.5%) | 56.35 (18.8%) | −2.45 | 0.017 | 3.71 |
Figures in parenthesis depict the percentage gain over the recurrent parent during stress (s).