Phylogeography and population structure of the grape powdery mildew fungus, Erysiphe necator, from diverse Vitisspecies

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.

ISSN: 2730-7182