Research Article

Genetic Variability and Association of Traits in Bread Wheat (Triticum aestivum L.) Genotypes in Gechi District, South West Ethiopia

Table 6

Genotypic (above diagonal) and phenotypic (below diagonal) correlation coefficients of 16 traits in bread wheat genotypes tested in Gechi during the 2019/2020 cropping season.

TraitsDHDMGFNTPPNFPPPHSLNGPsNKPSNsPSYPPTSWBMYHIGY

DH0.860.400.400.460.190.110.070.320.320.260.070.30−0.57−0.02
DM0.81 0.810.330.33 0.20.22−0.010.450.500.310.130.33−0.340.13
GF0.28 0.760.160.120.160.32−0.10.420.490.230.160.28−0.040.24
NTPP0.27 0.250.130.980.670.470.420.420.390.610.420.76−0.550.336
NFPP0.330.250.090.86 0.480.520.630.350.410.490.310.70−0.550.306
PH0.110.140.130.5 0.440.520.30.10.010.590.710.70−0.210.472
SL0.120.200.250.34 0.350.570.040.290.350.60.70.56−0.290.293
NGPs0.010.030.040.230.210.190.050.20.140.24−0.050.530.350.458
NKPS0.24 0.350.300.170.200.160.220.140.770.730.400.420.340.132
NsPS0.27 0.390.310.150.180.060.260.150.670.660.40.610.470.284
YPP0.190.250.2070.30.320.420.330.090.660.510.870.86−0.460.478
TSW0.080.130.130.360.30.590.530.010.280.29 0.730.870.260.624
BMY0.170.250.230.400.420.500.370.100.320.39 0.590.62−0.330.772
HI−0.25−0.130.01−0.15−0.17−0.04−0.050.250.340.22−0.230.32−0.240.348
GY−0.0220.140.2120.2290.230.420.2850.2860.2120.262 0.3290.4670.6630.526

DH = days to heading, DM = days to maturity, GFP = grain filling period, NTPP = number of total tiller per plant, NFPP = number of fertile tiller per plant, PH = plant height (cm), SL = spike length (cm), length(cm), NGPs = number of grain per spikelet, NKPS = number kernel per spike, NsPS = number of spikelet per spike, YPP = yield per plant(g), TSW = thousand seed weight (g), BMY = biomass yield, HI = harvest index, GY = grain yield (tha−1),  = highly significance ( ≤ 0.01),  = significance ( ≤ 0.05).