Table 3 Trait variance component estimation and proportion of the total variance explained for the four traits evaluated in Uruguayan indica and tropical japonica populations. GY: grain yield, PHR: percentage of head rice, GC: percentage of chalky grains, PH: plant height
indica
GYPHR
GroupVariance%GroupVariance%
Year49654018.9Year0.000110.02
Genotype37955414.5Genotype0.000220.04
GxY1433745.5GxY0.000220.04
Column553612.1Column0.0000070.70
Row313571.2Row0.0000060.60
Block51679219.7Block0.000220.04
Residual100013038.1Residual0.00028528.56
GCPH
GroupVariance%GroupVariance%
Year0.000313.22Year12.519.26
Genotype0.000417.62Genotype8.916.60
GxY0.000313.22GxY5.564.12
Column0.000313.22Column0.840.62
Row0.000073.08Row0.920.68
Block0.000522.03Block8.316.15
Residual0.000417.62Residual98.0272.57
tropical japonica
GYPHR
GroupVariance%GroupVariance%
Year198825243.2Year0.00141.36
Genotype19796113.2Genotype0.000312.41
GxY990525.1GxY0.00014.14
Column249320.3Column0.0000080.33
Row190620.5Row0.000010.41
Block11577522.7Block0.000624.81
Residual68261315.1Residual0.000416.54
GCPH
GroupVariance%GroupVariance%
Year0.00566.32Year37.543.7
Genotype0.00079.29Genotype18.421.4
GxY0.00067.96GxY1.61.8
Column0.0000090.12Column0.10.1
Row0.000030.40Row0.10.2
Block0.00045.31Block13.315.5
Residual0.000810.61Residual14.817.2