[Effect of Different Locations and Genotypes on Yield and Accumulation of Bioactive Constituents in Salvia miltiorrhiza].

Objective: The root yield and active constituent contents were analyzed from four Salvia miltiorrhiza cultivars grown at three different locations( Zhuyang, Changqing, and Taian, Shandong Province) to determine the influence of environmental conditions and cultivars. .

Methods: Phenolic acids and tanshinones were analyzed by HPLC method.