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Relative DNA amounts of A. pullulans (A) and S. pararoseus (B) DNAs on grape berry samples. Grapes were obtained from conventional (blue), organic (yellow) and biodynamic (green) vineyard plots at the beginning of berry ripening (BBCH stage 81) in 2010. Significant differences were found regarding the relative amount of S. pararoseus DNA on conventional and biodynamic grape berries (Kruskal-Wallis test; P < 0.05) and are indicated by different letters.
