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Zhongguo Zhong Yao Za Zhi · Oct 2011
[Correlation analysis soil nutrition as sell as yield and active compounds of Coptis teeta].
- Ji Zhang, Hang Jin, Wanyi Li, Yuanzhong Wang, and Jinyu Zhang.
- Institute of Medicinal Plant, Yunnan Academy of Agricultural Sciences, Kunming 650223, China.
- Zhongguo Zhong Yao Za Zhi. 2011 Oct 1; 36 (19): 2629-31.
AbstractThe correlations between soil nutrition and yield as well as active compound contents of Coptis teeta were analyzed. The contents of 13 soil factors, rhizome biomass and the content of berberine, jatrorrhizine, and palmatine in rhizome of C. teeta were determined, and analyzed by factor analysis (FA) and correlation analysis (CA). FA showed that the first three factors accounted for 86.9% of the total variance. The contents of Ca, Mg, Fe, Mn, and Zn correlated with the first factor. The content of organic matter, N, available N, available P, and available K correlated with the second factor. CA showed that yield of C. teeta had a significant positive correlation with available P (r = 0.931) at 0.01 level, and available N (r = 0.703) at 0.05 level. The content of berberine of C. teeta had a significant positive correlation with available P (r = 0.680) at 0.05 level. The yield and berberine content of C. teeta were high in the soil with high contents of available N and available P.
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