Evaluation of Commercial Varieties of Sweet Basil Resistant to Downy Mildew, 2021.

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 18 August. Basil was transplanted on 7 July.

Overview of basil resistant cultivar evaluation experiment

 

Figure 2. Plants in the field on 18 August.

Plot of DiGenova basil variety
DiGenova (susceptible control)
Plot of Passion basil variety
Passion
Plot of Devotion basil variety
Devotion
Plot of Pesto Besto basil variety
Pesto Besto
Plot of Prospera CG1 basil variety
Prospera CG1
Plot of Prospera PL4 basil variety
Prospera Compact PL4
Plot of Prospera PS5 basil variety
Prospera Compact PS5
Plot of Prospera ILL2 basil variety
Prospera ILL2

 

Figure 3. Plants in the field on 9 September.

Plot of DiGenova basil variety
DiGenova (susceptible control)
Plot of Passion basil variety
Passion
Plot of Devotion basil variety
Devotion
Plot of Pesto Besto basil variety
Pesto Besto
Plot of Prospera CG1 basil variety
Prospera CG1
Plot of Prospera PL4 basil variety
Prospera Compact PL4
Plot of Prospera PS5 basil variety
Prospera Compact PS5
Plot of Prospera ILL2 basil variety
Prospera ILL2
Plot of Genesis 164 basil variety
Genesis 164