Table 3.
Grain morphology of the two elite Thai rice cultivars grown in the net-house pot and open-field production systems.
| Cultivars | Production Systems | Length (mm) |
Width (mm) |
Length-to- Width Ratio | Perimeter (mm) | Volume (mm3) |
|---|---|---|---|---|---|---|
| RD6 | Net-house pot | 6.65 ± 0.03 | 2.39 ± 0.01 | 2.78 ± 0.01 | 14.19 ± 0.05 | 19.86 ± 0.20 |
| Open-field | 7.02 ± 0.03 ** | 2.39 ± 0.01 | 2.95 ± 0.02 ** | 14.77 ± 0.05 ** | 20.84 ± 0.23 ** | |
| KDML105 | Net-house pot | 7.19 ± 0.09 | 2.22 ± 0.01 | 3.24 ± 0.04 | 14.77 ± 0.16 | 18.56 ± 0.34 |
| Open-field | 7.63 ± 0.01 ** | 2.24 ± 0.01 | 3.41 ± 0.02 ** | 15.51 ± 0.03 ** | 20.13 ± 0.23 ** |
Values are means ± SEM. Means in bold within each column with the ** symbol denote statistically significant difference between the two production systems at p ≤ 0.01 by Student’s t-test (n = 9). Ten brown rice grains were randomly studied for each biological replicate.