Research Article

Genotypic and Phenotypic Relationship among Yield Components in Rice under Tropical Conditions

Table 1

Mean squares of vegetative traits, yield, and yield component of the rice genotype.

TraitsReps in Env (df=20)Genotypes (G) (df=14)Environments (E) (df=9)G × E (df=126)Error (df=280)

PH127.303213.436221.8583.8310.72
FLWR25.38655.24362.44100.655.33
DF20.152155.86669.9399.651.97
DM19.662247.161188.56103.995.58
TPH41.1983.56720.4348.549.59
PPH36.0656.82407.127.0510.82
PL11.723.363.64.90.88
FGP666.569646.2854389.41735.15196.624
UFGP116.42384.891293.34151.7280.12
100-GW0.130.130.070.060.02
GWH163.97587.4124754.5254.61151.9
YLD1.4519.5084.094.932.38

Significant at , highly significant at , ns: nonsignificant , df: degree of freedom, PH: plant height, FLWR: flag leaf length to width ratio, DF: days to flowering, DM: days to maturity, TPH: tillers per hill, PPH: panicles per hill, PL: panicle length, FGP: Filled grains per panicle, UFGP: unfilled grains per panicle, GWH: grain weight per hill, 100-GW: 100-grain weight, and YLD: yield in t/ha.