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Table 4 Number and percentage of grapevine samples that are infected with a single or multiple viruses

From: Survey for major viruses in commercial Vitis vinifera wine grapes in Ontario

No. of viruses in mixed infections

No. of samples with mixed infections

Percentage of samples with multiple viruses (%)

1

136

23.7

2

183

31.9

3

142

24.7

4

60

10.5

5

21

3.7

6

6

1.0

7

1

0.2