Research Article

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

Table 8

Phenotypic path coefficients of direct (diagonal) and indirect (off-diagonal) effects of twelve traits of bread wheat genotypes tested in Gechi during 2019/2020.

TraitsPHSLGFPNsPSNKPSTSWBMYHIrp value

PH0.05−0.020.000.01−0.010.040.39−0.030.43 ≤ 0.01
SL0.030.030.010.02−0.020.040.28−0.030.3 ≤ 0.01
GFP0.01−0.010.030.03−0.030.010.180.000.22 ≤ 0.05
NsPS0.00−0.010.010.09−0.060.020.30−0.080.27 ≤ 0.01
NKPS0.01−0.010.010.06−0.090.020.25−0.030.22 ≤ 0.05
TSW0.03−0.020.000.03−0.030.070.48−0.090.47 ≤ 0.01
BMY0.02−0.010.000.03−0.030.040.77−0.170.66 ≤ 0.01
HI0.000.000.00−0.010.00−0.01−0.190.720.51 ≤ 0.01
Residual = 0.0759

GFP = grain filling period, PH = plant height (cm), SL = spike length(cm), NKPS = number grain per spike, NsPS = number of spikelet per spike, TSW = thousand seed weight(g), BMY = biomass yield, HI = harvest index, , indicate significance at the 0.05 and 0.01 probability levels, respectively, rg = phenotypic correlation coefficients.