Cotton Genomics and Genetics
            
            
              2013, Vol.4, No.6, 73-92 http://cgg.sophiapublisher.com
            
            
              Table 7 Performance of hybrids and heterosis over commercial check (RAHH 95) and best
            
            
              
                Bt
              
            
            
              hybrid check (RCH2
            
            
              
                Bt
              
            
            
              ) with respect to number of bolls per pla
            
            
              Hybrids
            
            
              Mean of F
            
            
              1
            
            
              Mean of
            
            
              
                Bt
              
            
            
              hybrid
            
            
              check
            
            
              Heterosis
            
            
              (%) over
            
            
              
                Bt
              
            
            
              hybrid check
            
            
              Mean of
            
            
              commercial
            
            
              check
            
            
              Heterosis (%)
            
            
              over commercial
            
            
              check
            
            
              Hybrids
            
            
              Mean of F
            
            
              1
            
            
              Mean o
            
            
              Hybrid
            
            
              check
            
            
              RAH 318 x SC 14
            
            
              23.70
            
            
              31.60
            
            
              -25.00*
            
            
              30.60
            
            
              -22.55*
            
            
              RAH146 x SC 14
            
            
              21.10
            
            
              31.60
            
            
              RAH 318 x SC 18
            
            
              16.30
            
            
              31.60
            
            
              -48.42**
            
            
              30.60
            
            
              -46.73**
            
            
              RAH146 x SC 18
            
            
              23.30
            
            
              31.60
            
            
              RAH 318 x SC 7
            
            
              23.50
            
            
              31.60
            
            
              -25.63*
            
            
              30.60
            
            
              -23.20*
            
            
              RAH146 x SC 7
            
            
              31.10
            
            
              31.60
            
            
              RAH 318 x SC 68
            
            
              18.00
            
            
              31.60
            
            
              -43.04**
            
            
              30.60
            
            
              -41.18**
            
            
              RAH146 x SC 68
            
            
              30.70
            
            
              31.60
            
            
              RAH 318 x RGR 32
            
            
              19.10
            
            
              31.60
            
            
              -39.56**
            
            
              30.60
            
            
              -37.58**
            
            
              RAH146 x RGR 32 25.90
            
            
              31.60
            
            
              RAH 318 x RGR 24
            
            
              33.20
            
            
              31.60
            
            
              5.06
            
            
              30.60
            
            
              8.50
            
            
              RAH146 x RGR 24 22.90
            
            
              31.60
            
            
              RAH 318 x RGR 58
            
            
              31.30
            
            
              31.60
            
            
              -0.95
            
            
              30.60
            
            
              2.29
            
            
              RAH146 x RGR 58 33.80
            
            
              31.60
            
            
              RAH 318 x RGR 37
            
            
              26.10
            
            
              31.60
            
            
              -17.41
            
            
              30.60
            
            
              -14.71
            
            
              RAH146 x RGR 37 29.50
            
            
              31.60
            
            
              RAH 243 x SC 14
            
            
              25.30
            
            
              31.60
            
            
              -19.94*
            
            
              30.60
            
            
              -17.32
            
            
              RAH 97 x SC 14
            
            
              19.00
            
            
              31.60
            
            
              RAH 243 x SC 18
            
            
              21.60
            
            
              31.60
            
            
              -31.65**
            
            
              30.60
            
            
              -29.41**
            
            
              RAH 97 x SC 18
            
            
              16.10
            
            
              31.60
            
            
              RAH 243 x SC 7
            
            
              31.40
            
            
              31.60
            
            
              -0.63
            
            
              30.60
            
            
              2.61
            
            
              RAH 97 x SC 7
            
            
              17.90
            
            
              31.60
            
            
              RAH 243 x SC 68
            
            
              18.70
            
            
              31.60
            
            
              -40.82**
            
            
              30.60
            
            
              -38.89**
            
            
              RAH 97 x SC 68
            
            
              13.10
            
            
              31.60
            
            
              RAH 243 x RGR 32
            
            
              22.50
            
            
              31.60
            
            
              -28.80**
            
            
              30.60
            
            
              -26.47*
            
            
              RAH 97 x RGR 32 17.10
            
            
              31.60
            
            
              RAH 243 x RGR 24
            
            
              28.50
            
            
              31.60
            
            
              -9.81
            
            
              30.60
            
            
              -6.86
            
            
              RAH 97 x RGR 24 13.20
            
            
              31.60
            
            
              RAH 243 x RGR 58
            
            
              29.50
            
            
              31.60
            
            
              -6.65
            
            
              30.60
            
            
              -3.59
            
            
              RAH 97 x RGR 58 18.50
            
            
              31.60
            
            
              RAH 243 x RGR 37
            
            
              28.90
            
            
              31.60
            
            
              -8.54
            
            
              30.60
            
            
              -5.56
            
            
              RAH 97 x RGR 37 23.00
            
            
              31.60
            
            
              RAH128 x SC 14
            
            
              23.80
            
            
              31.60
            
            
              -24.68*
            
            
              30.60
            
            
              -22.22*
            
            
              RAH 124 x SC 14 26.70
            
            
              31.60
            
            
              RAH128 x SC 18
            
            
              27.50
            
            
              31.60
            
            
              -12.97
            
            
              30.60
            
            
              -10.13
            
            
              RAH 124 x SC 18 24.20
            
            
              31.60
            
            
              RAH128 x SC 7
            
            
              26.40
            
            
              31.60
            
            
              -16.46
            
            
              30.60
            
            
              -13.73
            
            
              RAH 124 x SC 7
            
            
              20.00
            
            
              31.60
            
            
              RAH128 x SC 68
            
            
              33.30
            
            
              31.60
            
            
              5.38
            
            
              30.60
            
            
              8.82
            
            
              RAH 124 x SC 68 21.00
            
            
              31.60
            
            
              RAH128 x RGR 32
            
            
              22.90
            
            
              31.60
            
            
              -27.53**
            
            
              30.60
            
            
              -25.16*
            
            
              RAH 124 x RGR 32 22.30
            
            
              31.60
            
            
              RAH128 x RGR 24
            
            
              31.10
            
            
              31.60
            
            
              -1.58
            
            
              30.60
            
            
              1.63
            
            
              RAH 124 x RGR 24 15.30
            
            
              31.60
            
            
              RAH128 x RGR 58
            
            
              30.10
            
            
              31.60
            
            
              -4.75
            
            
              30.60
            
            
              -1.63
            
            
              RAH 124 x RGR 58 20.40
            
            
              31.60
            
            
              RAH128 x RGR 37
            
            
              23.90
            
            
              31.60
            
            
              -24.37*
            
            
              30.60
            
            
              -21.90*
            
            
              RAH 124 x RGR 37 19.70
            
            
              31.60
            
            
              Note: S.Em. ± 3.44; *Significant at P = 0.05; **Significant at P = 0.01