Agriculture Reference
In-Depth Information
3. Analysis of covariance table of total shoot
length with leaf weight per square meter
(2
2. Analysis of covariance table of fresh leaf weight
with leaf weight per square meter (3
5)
5)
SOV
d.f.
S.P
M.S.P
REP
2
11.94
5.97
SOV
d.f.
S.P
M.S.P
GEN.
9
74448.35
8272.04
REP
2
42.75
21.38
EROR
18
13.40
0.74
GEN.
9
37827.92
4203.10
Total 29 74473.69
D. Analysis of Covariance of Leaf Area with
Leaf Weight per Square Meter (4
EROR
18
224.92
12.50
Total
29
37560.25
5)
C. Analysis of Covariance of Fresh Leaf
Weight with Other Characters
1. Analysis of covariance table of fresh leaf
weight with leaf area (3
SOV
d.f.
S.P
M.S.P
REP
2
5.16
2.58
GEN.
9
25041.16
2782.35
4)
EROR
18
19.19
1.07
Total 29 25065.50
Using the same procedure of partitioning
variances into genotypic, phenotypic, and envi-
ronmental components, the covariances between
the characters can also be partitioned. Thus,
SOV
d.f.
S.P
M.S.P
REP
2
16.88
8.44
GEN.
9
39197.84
4355.32
EROR
18
10.53
0.59
Total
29
39225.25
E
σ
g
ij
¼
E
MSP
G
ij
MSP
e
ij
r
g
ij
¼
where
σ
genotypic covariance between the
i
th and
j
th character,
¼
E
MSP
G
ij
the expected treatment
ð
genotype
Þ
mean sum of product value of
i
th and
j
th character,
¼
E
MSP
e
ij
the expected error mean sum of product value of
i
th and
j
th character,
r ¼
number of replications
:
Thus, the genotypic, phenotypic, and environ-
mental covariances between leaf yield per plant
and total shoot length are
MSP
G
yx
1
MSP
e
yx
1
6331
:
82
7
:
75
σ
g
yx
1
¼
¼
¼
:
;
2108
02
and
r
3
σ
p
yx
1
¼ σ
G
yx
1
þ σ
e
yx
1
¼
2108
:
02
þ
7
:
75
¼
2115
:
77
;
where
σ
e
yx
1
¼
7
:
75 is the environmental covariance between
y
and
x
1
:
Similarly, the covariances among the
characters under study at the genotypic, pheno-
typic, and environmental
worked out from the respective analysis of
covariance tables as given below:
Step 3: Calculation of Correlation Coefficients
levels can also be
