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OMAFRA Mycotoxin Survey
Part 2

Albert Tenuta and I continue to work with Dr. Art Schaafsma in surveying corn fields across the province for DON levels. Of the 22 corn field surveyed this past week (See Table 1) only 9 fields had DON levels below 1 ppm. As was the case two weeks ago, southwestern counties again have the highest levels of mycotoxins although ear moulds can be found in all regions of the province. We will continue to monitor the problem.

Table 1 - Corn Ear Mould Survey (DON) Results To Date

Note: Additional field data from the second sampling date is still being processed.

Counties

Sample Date 1
(Sept. 27 to Oct. 4, 2006)

# of Fields Sampled

Sample Date 1
(Sept. 27 to Oct. 4, 2006)

Vomitoxin (DON) Value (ppm)

Sample Date 2
(Oct. 13 to Oct. 22, 2006)

# of Fields Sampled

Sample Date 2
(Oct. 13 to Oct. 22, 2006)

Vomitoxin (DON) Value (ppm)

Prescott and Russell Stormont, Dundas and Glengarry
Lanark, City of Ottawa
11
0.9
pending
pending
Northumberland, Durham
5
2.5
pending
pending
Wellington, Halton, Brant City of Hamilton
10
1.6
6
1.1
Bruce, Huron
14
2.1
pending
pending
Oxford, Perth
12
2.7
5
3.4
Middlesex, Elgin, Chatham - Kent
31
4.6
11
8.0

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