Table 5 Eigenvalues, variation explained (%), cumulative variance (%), coefficients of determination of the first three principal components based on the correlation matrix of biological components
Traits | Eigen values | Variance (%) | Components | |||
|---|---|---|---|---|---|---|
Individuals | Cumulative | PC1 | PC2 | PC3 | ||
Chl 'a' | 3.903 | 27.877 | 27.877 | 0.524 | 0.728 | -0.288 |
Chl 'b' | 2.791 | 19.938 | 47.815 | 0.550 | -0.238 | 0.486 |
Chl ab | 2.004 | 14.317 | 62.133 | 0.220 | 0.779 | -0.463 |
TCC | 1.506 | 10.760 | 72.893 | 0.741 | 0.451 | 0.047 |
CC | 1.038 | 7.414 | 80.307 | 0.738 | -0.190 | 0.092 |
SPC | 0.813 | 5.805 | 86.112 | -0.387 | 0.007 | -0.004 |
TPC | 0.686 | 4.904 | 91.015 | -0.496 | -0.250 | 0.149 |
SSC | 0.451 | 3.218 | 94.234 | -0.208 | -0.042 | 0.129 |
CAT | 0.372 | 2.654 | 96.888 | -0.760 | 0.026 | -0.092 |
APX | 0.211 | 1.505 | 98.393 | -0.691 | -0.224 | -0.228 |
MDA | 0.151 | 1.079 | 99.471 | -0.201 | 0.494 | 0.775 |
SOD | 0.043 | 0.309 | 99.780 | 0.548 | -0.693 | 0.058 |
POD | .031 | .220 | 100.000 | -0.139 | 0.385 | 0.870 |