Figure 1.

Number of P. cryptogea ITS copies per µl DNA (log scale) present in roots of nonsymptomatic (NS) and symptomatic (S) plants, for both the rhizosphere (A) and root endosphere (B). Results are presented for the three greenhouses separately. The lower, middle and upper lines of the boxplots correspond to the first quartile, median and third quartile, respectively, while the whiskers represent the range from the minimum to the maximum. Data points represent the different replicates (number provided between brackets). Significant differences between symptomatic and nonsymptomatic plants are shown by one or more asterisks (P > .05 (ns), P ≤ .05 (*), P ≤ .01 (**), and P ≤ .001 (***)).