Relationship between Incidence of Cephalosporium Stripe and Yield Loss in Winter Wheat
Table 1
Analysis of variance for % whiteheads (square root transformed) and grain parameters for wheat genotypes grown in plots inoculated or not inoculated with Cephalosporium gramineum in Pendleton 2006 and Moro 2007.
Environment
DF
Whiteheads
Yield
Test weight
Protein
Kernel weight
Kernel diameter
Source of variation
avg
SD
avg
SD
Pendleton, 2006
Block
3
0.31
3.12**
8.88**
0.714
9.40**
0.677
0.030**
0.0002
Inoculation
1
113.34**
21.65**
212.23**
5.274**
77.15**
42.506**
0.143**
0.0590**
Genotype
9
15.08**
1.21**
36.27**
0.546
139.08**
20.803**
0.332**
0.0277**
Inoculation x genotype
9
4.33**
0.63**
6.61**
0.678*
4.52**
0.781*
0.010**
0.0017**
Error
57
0.20
0.20
1.34
0.320
1.61
0.330
0.003
0.0006
CV (%)
22.0
9.3
1.6
5.3
3.6
5.9
2.3
4.9
Moro, 2007
Block
3
0.11
0.83**
10.63**
0.371
25.50**
0.659
0.056**
0.0011
Inoculation
1
198.27**
25.06**
33.36**
0.004
12.80*
5.880**
0.028*
0.0093**
Genotype
11
7.25**
1.37**
30.81**
2.318**
96.50**
8.978**
0.160**
0.0109**
Inoculation x genotype
11
2.37**
0.35**
1.34
1.179*
3.33
1.209**
0.006
0.0022**
Error
69
0.46
0.11
0.81
0.520
2.53
0.250
0.005
0.0005
CV (%)
16.4
9.4
1.2
8.4
4.7
5.7
2.9
4.5
*Significant at the 0.05 probability level.
**Significant at the 0.01 probability level.
