Table 8. ANOVA of combining ability for mineral nutrient leaf content.
SV | Mean Square | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
DF | P | K | Na | N | Ca | Mg | Fe | Zn | Cu | Mn | |
Progenies | 14 | 0.72** | 72.5** | 0.62** | 16.8** | 3.76** | 2.22** | 88756** | 846** | 20.9** | 22995** |
GCA | 5 | 0.47** | 118** | 0.40** | 21.7** | 0.60ns | 1.60** | 125610** | 222ns | 33.4** | 13123** |
SCA | 9 | 0.85** | 47.0** | 0.74** | 14.1** | 5.51** | 2.56** | 68281** | 1193** | 14.0* | 28479** |
Residue | 42 | 0.12 | 8.34 | 0.11 | 1.79 | 0.60 | 0.26 | 5313 | 231 | 4.88 | 3218 |
SSgca (%) | - | 23.3 | 58.3 | 23.2 | 46.1 | 5.7 | 25.7 | 50.5 | 9.4 | 57.0 | 20.4 |
SSsca (%) | - | 76.7 | 41.7 | 76.8 | 53.9 | 94.3 | 74.3 | 49.5 | 90.6 | 43.0 | 79.6 |
h2 | - | 52.7 | 85.0 | 66.9 | 76.6 | 59.7 | 82.1 | 88.5 | 65.0 | 52.3 | 80.7 |
P<0.05 (*) and two (**) asterisks indicate significance by F test at 5 and 1% probability, respectively. Source of variation (SV), degree of freedom (DF), phosphorus (P), potassium (K), sodium (Na), nitrogen (N), calcium (Ca), magnesium (Mg), iron (Fe), zinc (Zn), copper (Cu) and manganese (Mn), general combining ability (GCA), specific combining ability (SCA), sum of squares of the general combining ability (SSgca), sum of squares of the specific combining ability (SSsca) and mean heritability (h2)