Table 2 Characteristics of chloroplast ultrastructure as affected by normal light (NL) and low light (LL) in rice flag leaves.
Variety | Treatment | Number of grana/chloroplast | % Change | Average number of thylakoid/granum | % Change | Number of starch grains/chloroplast | % Change | Number of plastoglobuli/chloroplast | % Change |
|---|---|---|---|---|---|---|---|---|---|
Purnendu | NL | 26 ± 1 | 35.885 | 5.11 ± 0.01 | 54.790 | 4.67 ± 0.57 | − 100.000 | 8.5 ± 0.71 | − 70.588 |
LL | 35.33 ± 2.08 | 7.91 ± 0.01 | 0.000 | 2.5 ± 0.70 | |||||
Swarnaprabha | NL | 29.33 ± 1.15 | 26.151 | 5.01 ± 0.01 | 59.880 | 8.67 ± 0.58 | − 100.000 | 6.67 ± 0.57 | − 70.015 |
LL | 37 ± 1 | 8.01 ± 0.01 | 0.000 | 2 ± 1 | |||||
IR64 | NL | 26 ± 1 | 19.230 | 4.01 ± 0.01 | 43.890 | 4.33 ± 0.57 | − 100.000 | 8 ± 1 | − 45.875 |
LL | 31 ± 2.65 | 5.77 ± 0.01 | 0.000 | 4.33 ± 0.58 | |||||
IR8 | NL | 29 ± 1 | 19.552 | 4.21 ± 0.01 | 49.881 | 2.67 ± 0.57 | − 100.000 | 8 ± 1 | − 66.625 |
LL | 34.67 ± 1.53 | 6.01 ± 0.01 | 0.000 | 2.67 ± 0.57 | |||||
Test of significance (Between NL-LL) | 0.001 | 0.001 | 0.014 | 0.001 | |||||
Test of significance (Tol-Sus) | 0.0498 | 0.0137 | 0.02066 |
