Research Article

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

Table 3

Phenotypic path analysis of the direct (diagonal) and indirect effects of eleven traits on yield per hectare in the rice genotypes.

ā€‰PHFLRDFDMTHPPHPLFGPUFGP100-GWGWH

PH-0.143-0.0470.0390.0740.0160.0480.028-0.0410.0520.0460.039
FLR0.0220.0670.0140.0080.0410.0310.0140.0020.0040.0170.021
DF0.117-0.092-0.429-0.143-0.301-0.240-0.1780.145-0.255-0.225-0.227
DM-0.0810.0180.0520.1570.0760.1280.029-0.0720.0470.0550.074
TH-0.0560.2960.3410.2360.4870.3920.180-0.1810.3580.2890.270
PPH0.047-0.065-0.078-0.115-0.113-0.140-0.0540.066-0.069-0.083-0.076
PL-0.0580.0630.1230.0550.1100.1150.2980.0770.0730.2430.075
FGP-0.1420.0230.2310.1180.2860.1900.095-0.1670.3890.2130.197
UFGP-0.012-0.0010.0150.0200.0160.020-0.011-0.0440.0190.0070.005
100-GW0.109-0.086-0.178-0.119-0.202-0.202-0.2770.051-0.186-0.340-0.116
GWH-0.1440.1710.2820.2520.2960.2890.135-0.0610.2700.1820.534
YLD-0.3420.3480.4120.5440.7120.6320.2570.702-0.2250.4040.796

PH: plant height, FLWR: flag leaf length to width ratio, DF: days to flowering, DM: days to maturity, TH: tillers per hill, PPH: panicles per hill, PL: panicle length, FGP: filled grains per panicle, UFGP: Unfilled grains per panicle, 100-GW: 100-grain weight, GWH: grain weight per hill, and YLD: yield in t/ha.