Research Article

Examining the Inheritance of Watermelon Fruit Traits by Hayman’s Graphical Approach

Table 2

Genetic parameters of different traits in watermelon based on Hayman’s method.

Sugar contentpHSkin thicknessFlesh weightFruit lengthFruit weight per plantFruit maturity periodFruit number per plantGenetic parameter#

0.14ns0.0027ns0.011ns0.67ns
0.0029ns0.02ns24.96ns
0.85ns0.0026ns0.04ns0.165ns1.53ns0.40ns40.83ns0.066ns
0.119ns
0.095ns0.079ns
0.00001ns0.000001ns4.83ns0.0001ns
1.642.772.353.601.792.423.460.805
0.160.210.200.220.240.230.190.165
3.221.392.182.091.371.811.621.57
0.500.28−0.55−0.46−0.95−0.370.098−0.797
0.0000010.000141.031.401.991.140.0220.0001
0.1510.2260.0790.0380.1950.0130.3450.352
0.6550.7170.7150.7680.7170.6940.9920.439
−0.053−0.000330.016−0.137−2.464-0.2339.16−0.057
0.284ns0.518ns0.518ns0.138ns−0.481ns1.42ns5.7ns1.48ns
0.000005ns0.0076ns0.0076ns0.02ns0.93ns0.05ns3711.68ns0.027ns

ns: nonsignificant; significant at 5% probability level; significant at 1% probability level; : environmental variance; : additive variance; : covariance of additive with dominance effect; and : dominance variances; : dominance effect over all loci in the heterozygous phase; : mean degree of dominance; : proportion of dominance genes with increasing and decreasing effects; : proportion of all genes with positive and negative effects in the parents; correlation between parent means () with ; : number of gene blocks controlling the trait and exhibiting dominance; : narrow sense heritability; : broad sense heritability; : intercept of regression line; : significant test of regression coefficient from one; analysis of variance for over replications.