Research Article
Arsenic-Redox Transformation and Plant Growth Promotion by Purple Nonsulfur Bacteria Rhodopseudomonas palustris CS2 and Rhodopseudomonas faecalis SS5
Figure 4
Auxin production by As-resistant PNSB. R. palustris CS2 and R. faecalis SS5 produced highest auxin concentrations up to and μg mL−1.