Citrullus lanatus (Thunb.) Matsum. & Nakai - Cucurbit Breeding ...

Table 3. Continued.
Effective Factors Gain from Selection y
Pedigree Wright x Lande I w Mean 5% 10% 20%
Kinston
'Carolina Cross #183' × 'Petite Sweet' 4.2 4.2 4.20 6.6 5.6 4.5
'Carolina Cross #183' × 'Minilee' 0.6 0.6 0.60 -- u -- u -- u
'Carolina Cross #183' × 'NH Midget' 9.7 9.6 9.65 3.0 2.5 2.0
'Cobbs Gem' × 'Petite Sweet' 0.6 0.6 0.60 4.2 3.5 2.8
'Cobbs Gem' × 'Minilee' 0.4 0.0 0.20 -- u -- u -- u
'Cobbs Gem' × 'NH Midget' 3.4 2.9 3.15 2.8 2.4 1.9
'Weeks NC Giant' × 'Petite Sweet' 7.7 7.6 7.65 2.8 2.4 1.9
'Weeks NC Giant' × 'Minilee' -4.1 -4.0 -4.05 -- u -- u -- u
'Weeks NC Giant' × 'NH Midget' 11.6 10.7 11.15 -- u -- u -- u
Mean v 4.8 4.5 4.7 3.9 3.3 2.6
Overall mean 5.6 5.2 5.4 4.9 4.2 3.3
z Data are single-fruit weights (kg) from nine families of giant- by mini-fruited cultivars of Citrullus lanatus
var. lanatus. Single plants were transplanted as follows: P aS 1, (20), P bS 1 (20), F 1 (40), BC 1P a, (60) BC 1P b
(60), and F 2 (210)
2
y k ! h ! " n
2 ( P)
x
µ ( P ) ! µ P " 1.5 ! 2 " b
a
µ F ( ) ! µ ( P )
1
a
µ ( P ) ! µ ( P ) b
a
" 1 ! µ F / )
# ( ) ! µ P 1
a
0 +
$
%
1 *
µ ( P ) ! µ P b
a
8 " 5 2
2
5 ( P ) + 5 a ( F ) ! 2
2 ( P ) + 2 " 5 b
2
/
[ ( F ) 1 ] 2
0
4
[ ( ) ] 2
1
3
4
( )
( )
& , 2
'
( . 3
-4
96