FIGURE 1.

Correlation between aggressiveness and the quantity of organic extracts (OE) amongst Alternaria dauci strains. (A) OE from liquid cultures of A. dauci AUS001, FRA001, FRA017, and ITA002 strains and the A. brassicicola Abra 43 strain grown in PDB. OE from the highly aggressive ITA002 strain was more pigmented and looked more abundant, while OE from the weakly aggressive AUS001 strain and the A. brassicicola Abra 43 strain showed much less pigmentation. C: OE from uncultured PDB. (B) OEW from three different cultures of A. dauci AUS001, FRA001, FRA017, and ITA002 strains and of the A. brassicicola Abra 43 strain were compared with aggressiveness data obtained previously (mean NLA in Boedo et al., 2012, Table 3, for Abra 43, data not shown). A close correlation coefficient was measured. Squares: first repetition, circles: second repetition, diamonds: third repetition, r²: correlation coefficient as given in Supplementary Table S2.