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 13 August. Basil was transplanted on 9 July.
Figure 2. Plants in the field on 13 August.
Figure 3. Plants in the field on 29 September, in which the average percent leaves with symptoms on affected plants five days prior was 99% for DiGenova (susceptible) and 0 – 80% for the resistant cultivars. See report for data.
