TABLE 4.
Indoor physiological chilling response data for C1 and C2 population.
| Population C1 | Population C2 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Parents | RILs | Parents | RILs | ||||||||
| Traits | Location | CT19 | TX430 | Mean ±SD | Range | h2 | M81E | ICSV700 | Mean ±SD | Range | h2 |
| SPAD | Greenhouse | 25.2 | 20.3 | 21.6 ± 4.4 | 4.36–33.6 | 37 | 17.3 | 10.8 | 18.84 ± 3.75 | 0.4–12 | |
| Cold Chamber | 8.9 | 0.1 | 5.2 ± 2.6 | 1.00–13.40 | 81.16 | 1.4 | 2.9 | 3.36 ± 2.45 | 0.4–12.0 | ||
| STML (cm) | Greenhouse | 12.6 | 9.6 | 13.1 ± 3.8 | 3.82–27.01 | 79.46 | 15.9 | 11.9 | 18.34 ± 4.25 | 9.98–29.0 | 74 |
| Cold Chamber | 4.9 | 3.2 | 4.0 ± 1.1 | 1.64–7.32 | 54.41 | 4.0 | 5.6 | 4.60 ± 1.67 | 0.8–10.0 | ||
| RTL (cm) | Greenhouse | 10.9 | 8.3 | 11.9 ± 1.8 | 0.12–16.2 | 38 | 11.9 | 10.5 | 10.71 ± 1.2 | 7.72–13.9 | 50 |
| Cold Chamber | 11.0 | 5.4 | 5.6 ± 2.0 | 1.25–9.64 | 88.03 | 7.1 | 9.6 | 6.42 ± 2.11 | 1.3–11.7 | ||
| STMWW (g) | Greenhouse | 0.6 | 0.5 | 0.78 ± 0.29 | 0.13–1.80 | 57.54 | 0.4 | 0.5 | 0.6812 ± 0.366 | 0.05–1.95 | 50 |
| Cold Chamber | 0.0 | 0.0 | 0.184 ± 0.76 | 0.01–0.39 | 80.02 | 0.3 | 0.2 | 0.1702 ± 0.11 | 0.01–0.55 | ||
| STMDW (g) | Greenhouse | 0.1 | 0.0 | 0.137 ± 0.07 | 0.05–0.76 | 100 | 0.1 | 0.2 | 0.2184 ± 0.116 | 0.06–0.62 | |
| Cold Chamber | 0.0 | 0.0 | 0.044 ± 0.063 | 0.00–0.52 | 17.78 | 0.0 | 0.1 | 0.0249 ± 0.01 | 0.01–0.10 | ||
| ROOTWW (g) | Greenhouse | 0.5 | 0.6 | 0.748 ± 0.318 | 0.18–2.20 | 99.95 | 0.5 | 0.5 | 0.5686 ± 0.291 | 0.14–1.79 | 6 |
| Cold Chamber | 0.1 | 0.2 | 0.306 ± 0.12 | 0.09–0.91 | 51.79 | 0.2 | 0.3 | 0.2180 ± 0.13 | 0.00–0.79 | ||
| ROOTDW (g) | Greenhouse | 0.2 | 0.0 | 0.191 ± 0.092 | 0.03–0.69 | 58.24 | 0.1 | 0.2 | 0.2909 ± 0.173 | 0.08–1.14 | |
| Cold Chamber | 0.1 | 0.1 | 0.0867 ± 0.039 | 0.03–0.19 | 50.26 | 0.1 | 0.1 | 0.094 ± 0.10 | 0.02–0.89 | ||
SPAD, mean chlorophyll content (greenness) of the third leaf; STML, mean stem length in cm; RTL, mean root length in cm; STMWW, mean mass of fresh plant in grams; STMDW, mean mass of plant after 7 days of drying; ROOTWW, mean mass of fresh root; ROOTDW, mean mass of roots after 7 days of drying.