Effect of inoculation time on camptothecin content in arbuscular mycorrhizal Camptotheca acuminata seedlings
YU Yang, YU Tao, WANG Yang, YAN Xiu-Feng
Chin J Plant Ecol . 2010, (6): 687 -694 .  DOI: 10.3773/j.issn.1005-264x.2010.06.008