This study is to establish a method for simultaneously determination of five nucleosides and nucleobases, including hypoxanthine, uridine, adenine, guanosine and adenosine in Rehmannia glutinosa Libosch. which was collected from different regions in China. A Diamonsil C18 column (250 mm x 4.6 mm, 5
OBJECTIVE
To study the effects of continuous cropping obstacles on growth of Rehmannia glutinosa.
METHODS
The growth indexes, activity of root ATPase, root activity and mineral nutritional absorption were determined.
RESULTS
Continuous copping decreased growth rate and declined the size of leaves.