[Regulation on growth and accumulation of total alkaloid in Leonurus artemisia (Lour.)S.Y. Hu by various microfertilizers].
OBJECTIVE
To trace the effects of various microfertilizers on the growth and accumulation of total alkaloid in Leonurus artemisia.


METHODS
The total alkaloid was determined by spectrophotometry.


RESULTS
Microfertilizers of different concentrations could facilitate the growth of L. artemisia in various degrees and Mn-fertilizer of standard concentration and Cu-fertilizer of excessive concentration could help raise the output of the plant markedly by up to 43.6% and 55.2% respectively. Microfertilizers of different concentrations could improve the content of total alkaloid in L. artemisia: Mn-fertilizer of standard concentration and B-fertilizer of excessive concentration could enhance the contents of total alkaloid up to 2.15% and 2.09% respectively. Mn-fertilizer and Cu-fertilizer of standard concentration have been proved very useful in improving the resistibility and ability of the plant to survive summer safely, and Fe-fertilizer of standard concentration could bring the plant an obvious increase of output after surviving summer.


CONCLUSIONS
Application of Mn-fertilizer of standard concentration is very important for cultivating L. artemisia of excellent quality and high output.
Zhejinag Research Institute of Chinese Materia Medica, Zhejiang Hangzhou 310023, China.
J Z
JZ
Xu
S J
SJ
Sheng
J F
JF
Yao
X P
XP
Yu
D000470:Alkaloids / Q000378:metabolism*; D019327:Copper Sulfate / Q000494:pharmacology; D005308:Fertilizers; D031332:Leonurus / Q000254:growth & development* / Q000378:metabolism; D017895:Manganese Compounds / Q000494:pharmacology; D013431:Sulfates / Q000494:pharmacology; D014131:Trace Elements / Q000494:pharmacology
D000470:Alkaloids; D005308:Fertilizers; D017895:Manganese Compounds; D013431:Sulfates; D014131:Trace Elements; D019327:Copper Sulfate; C039798:manganese sulfate