The active compounds in herb drugs are mainly secondary metabolites, which are greatly influenced by external conditions. Particularly, light intensity has a great influence on the photosynthesis and accumulation of s...
the Con-sejo Nacional de Ciencia y Tecnología(CONACYT)for the scholarship granted for this research(Num.Reg.223896);funding received by the Sectorial Fund for Edu-cation Research SEP-CONACYT(project CB-2010-0-156053).
Propagation of native species in local nurseries is an important activity in reforestation and forest restoration programs. A requisite for successful plantation is that nursery produced plants are of a size and quali...