## 3 Results
### Grain Shape
\begin{table}
\begin{tabular}{l l l l l l l} \hline \hline
**Varieties** & **Pericarp Colour** & **1000-Grain Weight (g)** & **Length (mm)** & **Breadth (mm)** & **Thickness (mm)** & **L/W Ratio** & **Volume (mm\({}^{\text{3}}\))** \\ \hline Muttrina Sannam & White & 28 & 7.97 \(\pm\) 0.83\({}^{\text{abc}}\) & 2.39 \(\pm\) 0.25\({}^{\text{hJ}}\) & 1.59 \(\pm\) 0.17\({}^{\text{ns}}\) & 3.34 \(\pm\) 0.35\({}^{\text{abc}}\) & 16.5 \(\pm\) 1.72\({}^{\text{lm}}\) \\ \hline Navara & Red & 39 & 7.88 \(\pm\) 0.49\({}^{\text{abc}}\) & 2.98 \(\pm\) 0.18\({}^{\text{c-d}}\) & 1.89 \(\pm\) 0.12\({}^{\text{ns}}\) & 2.65 \(\pm\) 0.16\({}^{\text{-k}}\) & 24.4 \(\pm\) 1.51\({}^{\text{e-d}}\) \\ \hline Nootripathu & White & 26 & 8.12 \(\pm\) 0.61\({}^{\text{abc}}\) & 3.27 \(\pm\) 0.24\({}^{\text{b-a}}\) & 2.09 \(\pm\) 0.16\({}^{\text{ns}}\) & 2.48 \(\pm\) 0.19\({}^{\text{l-d}}\) & 30.5 \(\pm\) 2.28\({}^{\text{bcd}}\) \\ \hline Norungan & Red & 34 & 8.77 \(\pm\) 0.41\({}^{\text{ab}}\) & 3.09 \(\pm\) 0.14\({}^{\text{c-d}}\) & 2.19 \(\pm\) 0.10\({}^{\text{ns}}\) & 2.84 \(\pm\) 0.13\({}^{\text{e-d}}\) & 31.9 \(\pm\) 1.50\({}^{\text{bcd}}\) \\ \hline Panangattu & Red & 28 & 8.22 \(\pm\) 0.42\({}^{\text{ab}}\) & 3.01 \(\pm\) 0.15\({}^{\text{e-h}}\) & 1.98 \(\pm\) 0.10\({}^{\text{ns}}\) & 2.73 \(\pm\) 0.14\({}^{\text{e-d}}\) & 26.8 \(\pm\) 1.36\({}^{\text{d-h}}\) \\ \hline Poongar & Red & 17 & 8.47 \(\pm\) 0.67\({}^{\text{ab}}\) & 3.31 \(\pm\) 0.26\({}^{\text{b-a}}\) & 2.26 \(\pm\) 0.18\({}^{\text{ns}}\) & 2.56 \(\pm\) 0.20\({}^{\text{h-d}}\) & 34.3 \(\pm\) 2.73\({}^{\text{b}}\) \\ \hline Salem Sanna & White & 30 & 7.71 \(\pm\) 0.46\({}^{\text{bcd}}\) & 2.34 \(\pm\) 0.14\({}^{\text{g}}\) & 1.77 \(\pm\) 0.11\({}^{\text{ns}}\) & 3.30 \(\pm\) 0.20\({}^{\text{a-d}}\) & 17.0 \(\pm\) 1.01\({}^{\text{lm}}\) \\ \hline Seeraga Samba & White & 22 & 5.73 \(\pm\) 0.62\({}^{\text{ef}}\) & 2.36 \(\pm\) 0.26\({}^{\text{hJ}}\) & 1.70 \(\pm\) 0.18\({}^{\text{ns}}\) & 2.43 \(\pm\) 0.26\({}^{\text{J}}\) & 12.4 \(\pm\) 1.35\({}^{\text{m}}\) \\ \hline Sivarpu Kowni & Red & 38 & 8.80 \(\pm\) 0.34\({}^{\text{ab}}\) & 3.13 \(\pm\) 0.12\({}^{\text{c-d}}\) & 1.83 \(\pm\) 0.07\({}^{\text{ns}}\) & 2.81 \(\pm\) 0.11\({}^{\text{e-d}}\) & 28.4 \(\pm\) 1.10\({}^{\text{c-d}}\) \\ \hline Thaaltahootha Namak & White & 27 & 7.59 \(\pm\) 0.52\({}^{\text{bcd}}\) & 2.34 \(\pm\) 0.16\({}^{\text{g}}\) & 1.82 \(\pm\) 0.13\({}^{\text{ns}}\) & 3.25 \(\pm\) 0.22\({}^{\text{abde}}\) & 17.2 \(\pm\) 1.18\({}^{\text{lm}}\) \\ \hline Thooyamalli & White & 27 & 7.57 \(\pm\) 0.47\({}^{\text{bcd}}\) & 2.42 \(\pm\) 0.15 8\({}^{\text{e-d}}\) & 1.78 \(\pm\) 0.11\({}^{\text{ns}}\) & 3.13 \(\pm\) 0.20\({}^{\text{b-h}}\) & 17.4 \(\pm\) 1.09\({}^{\text{lm}}\) \\ \hline Vaasanai Seeraga & Red & 19 & 7.94 \(\pm\) 0.81\({}^{\text{abc}}\) & 2.95 \(\pm\) 0.30\({}^{\text{c-d}}\) & 2.23 \(\pm\) 0.23\({}^{\text{ns}}\) & 2.69 \(\pm\) 0.28\({}^{\text{e-d}}\) & 27.8 \(\pm\) 2.85\({}^{\text{d-h}}\) \\ \hline \hline \end{tabular} Data are presented as the mean \(\pm\) SE (\(n=3\)). Means followed by the same letter within each row are not significantly different at 5% level. Note: ns—non significant; “a–d”—abcd.  
\end{table}