Table 1 Radiation use efficiency and related parameters of rice varieties during the reproductive phase during the Kharif seasons of 2022 and 2023 under normal light (NL) and low light (LL).
Variety | Treatment | Incident radiation (InR) (MJ/m2) | Transmitted radiation (Trr) (MJ/m2) | Intercepted radiation (InR-Trr)(MJ/m2) | Total dry weight of biomass (g/m2) | Radiation use efficiency (g/MJ) |
|---|---|---|---|---|---|---|
Purnendu | NL | 360.47 ± 0.73 | 60 ± 0.71 | 300.47 ± 0.78 | 612.38 ± 0.58 | 2.03 ± 0.73 |
LL | 261.17 ± 0.70 | 71.7 ± 0.63 | 189.47 ± 0.81 | 349.47 ± 0.62 | 1.84 ± 0.70 | |
Swarnaprabha | NL | 358.99 ± 0.69 | 54.4 ± 0.73 | 304.59 ± 0.72 | 560.47 ± 0.74 | 1.84 ± 0.71 |
LL | 258.99 ± 0.75 | 60.05 ± 0.68 | 198.94 ± 0.85 | 326.47 ± 0.73 | 1.64 ± 0.60 | |
IR64 | NL | 347.47 ± 0.58 | 65 ± 0.75 | 282.47 ± 0.84 | 445.67 ± 0.66 | 1.57 ± 0.76 |
LL | 210.89 ± 0.73 | 72.42 ± 0.64 | 138.47 ± 0.71 | 106.47 ± 0.71 | 0.76 ± 0.67 | |
IR8 | NL | 338.47 ± 0.67 | 68 ± 0.69 | 270.47 ± 0.74 | 140.47 ± 0.71 | 1.51 ± 0.72 |
LL | 213.03 ± 0.73 | 84.45 ± 0.73 | 128.58 ± 0.88 | 113.47 ± 0.68 | 0.88 ± 0.75 | |
Test of significance between NL-LL | 0.000 | 0.000 | 0.000 | 0.017 | ||
Test of significance (Tol-Sus) | 0.039 | 0.0419 | 0.037 | 0.013 | 0.047 |
