Effect of Nitrogen Fertilizer on Yield and Amount of Alkaloids in Periwinkle and Determination of Vinblastine and Vincristine by HPLC and TLC

Ziba Gholamhosseinpour, Khodayar Hemati, Hamidreza Dorodian and Zeinolabedin Bashiri-Sadr

Plant Sciences Research 3 ( 2 ): 4 - 9 , 2011