Figure 4From: The beneficial fungus Piriformospora indica protects Arabidopsis from Verticillium dahliaeinfection by downregulation plant defense responsesStomata closure rate in leaves after 3 (A) and 7 (B) days. The data are based on 3 independent experiments with 16 seedlings each. Bars represent SDs. Asterisks indicate significant differences to the untreated control, as determined by Student's t-test (* P ≤ 0.05; ** P ≤ 0.01; *** P ≤ 0.001).Back to article page