Table 4.
Factor loadings, heritability, selection differential, and predicted selection gain for phenological, yield, and biochemical traits of seven fenugreek genotypes.
| Trait | FA1 | FA2 | FA3 | Communality | Uniqueness | Xo | Xs | SD | SD_% | h2 | SG | SG_% | Sense | Goal |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SY | 0.845 | 0.131 | -0.205 | 0.774 | 0.226 | 1683.0 | 1643.4 | -39.6 | -2.4 | 61.2 | -24.3 | -1.4 | + | 100 |
| 4-HIL | -0.183 | 0.904 | 0.046 | 0.853 | 0.147 | 9.4 | 9.8 | 0.4 | 4.1 | 85.2 | 0.3 | 3.5 | + | 100 |
| DC | 0.084 | 0.277 | -0.276 | 0.160 | 0.840 | 192.4 | 191.1 | -1.2 | -0.7 | 0.0 | 0.0 | 0.0 | + | 100 |
| TSS | -0.242 | 0.503 | 0.067 | 0.316 | 0.684 | 2.4 | 2.4 | 0.0 | 0.6 | 56.3 | 0.0 | 0.4 | + | 100 |
| TCC | 0.282 | 0.358 | -0.015 | 0.208 | 0.792 | 2.6 | 3.5 | 0.9 | 33.8 | 95.2 | 0.8 | 32.2 | + | 100 |
| PC | -0.263 | 0.113 | 0.937 | 0.960 | 0.040 | 27.2 | 27.9 | 0.7 | 2.4 | 92.6 | 0.6 | 2.2 | + | 100 |
| FAA | -0.187 | 0.906 | 0.009 | 0.855 | 0.145 | 11.8 | 12.3 | 0.4 | 3.7 | 88.8 | 0.4 | 3.3 | + | 100 |
| NC | -0.263 | 0.113 | 0.937 | 0.960 | 0.040 | 4.4 | 4.5 | 0.1 | 2.4 | 92.6 | 0.1 | 2.2 | + | 100 |
| BY | 0.188 | 0.042 | -0.367 | 0.172 | 0.828 | 7032.5 | 6612.8 | -419.7 | -6.0 | 61.5 | -257.9 | -3.7 | + | 100 |
| DM | 0.142 | 0.596 | 0.138 | 0.394 | 0.606 | 126.2 | 125.6 | -0.5 | -0.4 | 75.3 | -0.4 | -0.3 | – | 0 |
| DF | -0.125 | -0.335 | 0.060 | 0.131 | 0.869 | 55.1 | 55.2 | 0.1 | 0.1 | 6.0 | 0.0 | 0.0 | – | 0 |
| HI | -0.560 | -0.273 | 0.223 | 0.438 | 0.562 | 25.3 | 25.7 | 0.4 | 1.5 | 68.5 | 0.3 | 1.0 | + | 100 |
| BPP | 0.282 | 0.083 | 0.304 | 0.179 | 0.821 | 6.2 | 6.3 | 0.1 | 1.8 | 45.9 | 0.1 | 0.8 | + | 100 |
| PH | 0.452 | -0.408 | -0.112 | 0.383 | 0.617 | 71.3 | 70.1 | -1.3 | -1.8 | 63.3 | -0.8 | -1.1 | – | 0 |
| PL | 0.794 | -0.250 | -0.271 | 0.767 | 0.233 | 10.4 | 10.2 | -0.1 | -1.3 | 2.9 | 0.0 | 0.0 | + | 100 |
| PPP | 0.824 | -0.111 | -0.193 | 0.728 | 0.272 | 48.4 | 47.3 | -1.1 | -2.3 | 14.1 | -0.2 | -0.3 | + | 100 |
| SPP | 0.653 | -0.223 | -0.191 | 0.513 | 0.487 | 17.3 | 17.4 | 0.2 | 0.8 | 54.1 | 0.1 | 0.5 | + | 100 |
| TW | 0.505 | 0.108 | -0.019 | 0.267 | 0.733 | 12.8 | 12.6 | -0.2 | -1.9 | 55.7 | -0.1 | -1.0 | + | 100 |
FA, Factor analysis; Xo, Mean of genotype; Xs, Mean of selected genotype; h2, Broad sense heritability; SD ,Selection differential; SG, Selection gain; SY,Seed yield; 4-HIL, 4-hydroxyisoleucine; DC, Diosgenin content; TSS, Total soluble sugars; TCC, Total chlorophyll content; NC, Nitrogen content; BY, Biological yield; DM, Days to maturity; DF, Days to flowering; HI, Harvest index; BPP, Branches plant-1; PH, Plant height; PL, Pod length; PPP, Pods plant-1; SPP, Seeds pod-1; TW, Test weight. Sense, “+” indicates that higher values are desirable, “-−” indicates that lower values are desirable