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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