Early Season Seed Corn Disease Survey

Table 3-1a, Percentage of seed corn seedling plants with
isolated pathogens from Southern Ontario in 2003
Location Stewart's Wilt Fusarium Pythium Helminthosporium
or Biplar		 Rhizoctonia
Kent Bridge
2
30
8
0
0
Jeanette's Creek
0
13
22
0
7
Mitchell's Bay
0
17
17
0
10
Mitchell's Bay
8
23
5
0
5
Pinehurst
2
12
2
0
3
Shrewsbury
0
27
0
0
5
Tilbury
0
5
0
0
0
Leamington
10
22
2
2
5
Leamington
0
17
17
0
0
Tillsonburg
2
17
8
0
0
Tillsonburg
2
32
3
0
0


Table 3-1b, Percentage of seed corn seedling plants with
isolated pathogens from Southern Ontario in 2003 continued.
Location
Alternaria
Penicillium
Trichoderma
Mucor
Kent Bridge
2
3
0
10
Jeanette's Creek
2
2
2
0
Mitchell's Bay
0
2
0
3
Mitchell's Bay
3
0
0
0
Pinehurst
0
0
0
2
Shrewsbury
0
0
3
2
Tilbury
0
0
43
0
Leamington
0
0
3
5
Leamington
7
3
3
5
Tillsonburg
2
0
5
0
Tillsonburg
0
0
38
2


Table 3-2a, Percentage of seed corn seedling plants with
isolated pathogens from Southern Ontario in 2004.
Location
Trichoderma
Mucor
Tylenchus
Rhizopus
Sclerotium
Cladosporium
Erie Beach
10
0
0
2
0
0
Shrewsbury
0
2
0
0
0
0
Grande Pointe
25
0
0
0
0
0
Wallaceburg
2
0
2
2
2
0
Kent Bridge
0
0
0
0
0
0
Kent Bridge
25
3
0
2
0
2
Pinehurst
22
0
0
0
0
0
Harrow
24
0
2
3
1
0
Harrow
15
0
1
1
0
0
Tecumseh
0
0
0
3
0
0
Leamington
48
0
3
0
0
0
Leamington
5
0
0
0
2
5
Leamington
8
2
3
0
0
0


Table 3-2b, Percentage of seed corn seedling plants with
isolated pathogens from Southern Ontario in 2004.
Location
Stewart's Wilt
Fusarium
Pythium
Helminthosporium or Biplar
Rhizoctonia
Alternaria
Erie Beach
0
53
3
0
0
0
Shrewsbury
0
45
2
2
0
2
Grande Pointe
0
42
7
0
0
0
Wallaceburg
0
38
7
2
0
0
Kent Bridge
0
38
8
0
2
0
Kent Bridge
0
33
0
0
0
0
Pinehurst
2
27
0
0
3
0
Harrow
0
39
3
1
0
1
Harrow
0
52
1
0
1
0
Tecumseh
2
72
2
0
0
0
Leamington
0
12
3
0
3
0
Leamington
0
15
0
0
3
3
Leamington
0
17
0
0
0
2