Table 1

Vitis host species, host habitats and geographic regions where Erysiphe necator was collected.

Vitis Host Species

Wild

Cultivated

Host Regions


V. vinifera (European wine grape)

71

southeast US, central US, northeast US, western US, Europe, Australia

Vinifera hybrids1

29

southeast US, central US, northeast US

V. labrusca and labrusca hybrids2 (e.g., 'Concord')

7

9

southeast US, northeast US

V. aestivalis

13

southeast US, central US, northeast US

V. riparia

12

southeast US, central US, northeast US

V. rotundifolia (muscadine)3

2

3

southeast US


1vinifera hybrids refer to interspecific hybrids derived from crosses between the European wine grape, V. vinifera, and wild American Vitis species other than V. labrusca.

2labrusca hybrids (i.e. 'Concord' and 'Niagara'; sometimes referred to as V. labruscana) refer to V. vinifera x V. labrusca hybrids that are derived primarily from V. labrusca because of repeated backcrossing.

3Sometimes referred to as Muscadinia rotundifolia.

Brewer and Milgroom BMC Evolutionary Biology 2010 10:268   doi:10.1186/1471-2148-10-268

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