Table 4.
Genotypic (above diagonal) and phenotypic (below diagonal) correlation coefficient between various plant traits in different wheat genotypes.
Traits | Days to start heading | Flag leaf area | Peduncle length | Plant height | Days to reach maturity | Spike length | Number of productive tillers per plant | Number of spikelets per spike | Number of grains per spike | 1000-grain weight | Grain yield per plant |
---|---|---|---|---|---|---|---|---|---|---|---|
Days to start heading | −0.037 | −0.154 | −0.130 | 0.176 | 0.042* | 0.179 | 0.002* | −0.009 | 0.025 | −0.025 | |
Flag leaf area | −0.03 | 0.899** | 0.085 | −0.087 | 0.699** | 0.248* | 0.724** | 0.699** | 0.693** | 0.665** | |
Peduncle length | −0.091 | 0.883** | 0.119 | −0.084 | 0.759** | 0.059 | 0.787** | 0.762** | 0.760** | 0.774** | |
Plant height | −0.113 | 0.079 | 0.112 | 0.132 | −0.105 | −0.304* | −0.145 | −0.155 | −0.180 | 0.079 | |
Days to reach maturity | 0.084 | −0.05 | −0.04 | 0.090 | −0.028 | −0.190 | −0.001 | 0.016 | −0.026 | 0.104 | |
Spike length | −0.035 | 0.698** | 0.748** | −0.104 | −0.006 | 0.055 | 0.972** | 0.946** | 0.940** | 0.891** | |
Number of productive tillers per plant | 0.082 | 0.244* | 0.054 | −0.284* | −0.164 | 0.052 | 0.040 | 0.057 | 0.066 | −0.132 | |
Number of spikelets per spike | −0.019 | 0.720** | 0.773** | −0.124 | 0.008 | 0.965** | 0.041 | 0.968** | 0.957** | 0.912** | |
Number of grains per spike | −0.012 | 0.697** | 0.750** | −0.147 | 0.016 | 0.943** | 0.058 | 0.965** | 0.991** | 0.935** | |
1000-grain weigh | 0.018 | 0.691** | 0.745** | −0.170 | −0.020 | 0.938** | 0.066 | 0.953** | 0.990** | 0.921** | |
Grain yield per plant | −0.015 | 0.664** | 0.763** | 0.074 | 0.083 | 0.889** | −0.131 | 0.908** | 0.933** | 0.920** |
Highly significant at P = ≤0.01
Significant at P = ≤.