Below are photographs of cultivars evaluated for their resistance to downy mildew in a replicated field experiment at the Long Island Horticultural Research and Extension Center in Riverhead, NY. See report for information about methods and results plus data table.
Figure 1. Overview of field experiment, taken on 5 September. Basil was transplanted on 9 July, with the exception of Genesis N which was transplanted on 29 July.
Figure 2. Plants in the field on 5 September.