Characteristics of Organic Acid Secretion Associated with the Interaction between Burkholderia multivorans WS-FJ9 and Poplar Root System

Figure 5

Effect of rhizospheric interaction between strain WS-FJ9 and the poplar root system. 1: organic acid secreted with the interaction; 2: organic acid secreted by the poplar roots without IAA-induced; 3: organic acid secreted by WS-FJ9; 4: organic acid secreted by the poplar roots with IAA-induced.