Table 1 Summary statistics expressed as mean and heritability for traits evaluated for genome wide association studies of the sorghum associaiotn panel under stress at seedling stage. Evaluation of analysis of variance is included in the table to assess the contributionof genotypes
| Â | Â | Â | Â | Analysis of Variance | |
|---|---|---|---|---|---|
Thermal stress | Traits Measured | Mean (±SD) | Heritability | Sums of Squares | Mean Squares |
Cold Stress | Shoot weight (mg) | 41.00 (±12.00) | 0.38 | 34,068 | 119.959*** |
Root weight (mg) | 35.00 (±15.00) | 0.32 | 73,015 | 257.096*** | |
Shoot length (cm) | 49.48(±10.56) | 0.44 | 28,899 | 101.760*** | |
Root length (cm) | 105.46(±23.67) | 0.61 | 139,911 | 492.647*** | |
Anthocyanin levels (abs at 530 nm/shoot fresh weight – mg) | 7.00 (±5.00) | 0.60 | 7,482 | 26.348*** | |
Heat Stress | Shoot weight (mg) | 40.00 (±13.00) | 0.47 | 46,670 | 164.334*** |
Root weight (mg) | 32.00 (±13.00) | 0.53 | 50,503 | 177.828*** | |
Shoot length (cm) | 51.51 (±15.02) | 0.47 | 64,049 | 225.526*** | |
Root length (cm) | 124.26(±28.59) | 0.39 | 239,073 | 841.807*** | |
Chlorophyll A (abs at 663 nm/shoot fresh weight – mg) | 32.87(±21.26) | 0.52 | 104,161 | 384.361*** | |
Chlorophyll B (abs at 646 nm/shoot fresh weight – mg) | 10.72(±6.63) | 0.49 | 9,957 | 36.742*** | |
Total Chlorophyll (abs at 470 nm/shoot fresh weight – mg) | 43.58(±27.72) | 0.52 | 175,359 | 647.084*** | |