Fig. 3From: Ambrosia artemisiifolia L. temperature-responsive traits influencing the prevalence and severity of pollinosis: a study in controlled conditionsa Mean total content of flavonoids in pollen extracts calculated for the three growth temperatures. Different letters indicate significant statistical differences among groups, LT, IT and HT (ANOVA and Tukey test p < 0.001); b Linear regression analysis between total flavonoids content and total allergenicity (p < 0.0001; R2 = 0.5198)Back to article page