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Chinese Agricultural Science Bulletin ›› 2005, Vol. 21 ›› Issue (5): 216-216.

Special Issue: 农业生态

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The Influence of Shadings on Resistant Substance in Coptis chinensis Franch

Yin Li, Wang Sangen, Chen Shijiang, Zhong Guoyue   

  • Online:2005-05-05 Published:2005-05-05

Abstract: Coptis chinensis Franch of 3,4 and 5-age years were given treatments with 5 levels of shading intensities 0, 30%, 45%, 60%, 75%.The result showed that the most suitable shadings for Coptis chinensis franch of 3,4 and 5-age years are 60%, 45%,0.The same shading influence remarkably the resistant substance of different-age of 3,4 and 5-age years The experiment can provide theory guidance for production.