Table 5.

Descriptive statistic of growing degree days (GDD) for the WWAGI used based on vernalization and photoperiod requirement experiment.

Treatment	Mean	Min	Max	Variance	Genetic Variance	Heritability
V+P+	1273.13	1013.9	1629.42	18,120.59	16,994.02	0.92
V−P+	1417.13	896.85	2241.87	138,772.3	124,085.4	0.91
V+P−	1705.05	1270	2150	35,540.15	25,163.1	0.81