Table 1 Summary statistics and broad sense heritability (H2) estimates for main culm panicle node number (MCPNN), maximum node production rate (MNPR), and degree days to heading (DDTH) in 220 rice accessions evaluated at Texas A&M AgriLife Research at Beaumont in 2018 and 2019.
Trait | 2018 | 2019 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean | Standard Deviation | Min | Max | Presidio (Check) | H2 | Mean | Standard Deviation | Min | Max | Presidio (Check) | H2 | |
MCPNNÂ (nodes) | 14.2 | 1.9 | 8.1 | 20.9 | 14.1 | 0.83 | 15.2 | 1.8 | 9.9 | 21.0 | 14.6 | 0.90 |
MNPRa (nodes/degree-day>10°C) | 0.0164 | 0.0023 | 0.0097 | 0.0214 | 0.0156 | 0.20 | 0.0151 | 0.0015 | 0.0108 | 0.0193 | 0.0144 | 0.60 |
DDTH (degree-day>10°C) | 1,399 | 273 | 713 | 2,345 | 1,300 | 0.99 | 1,453 | 259 | 778 | 2,404 | 1,384 | 0.98 |