Comparison of growth of four types of Atractylodes lancea (thunb.) DC.
2008
Sang Xiaohua | WU Yanyou | Zhao Yuguo | Xu Mengyun
[Objective] The research aimed to compare the photosynthetic rates and growth conditions of four types of Atractylodes Lancea（Thunb.）DC.. [Method] A. Lancea was divided into four types: the saw-tooth-leaf, the ellipse-leaf, the long-ellipse-leaf as well as the sharp-leaf, according to leaf morphology. The photosynthetic rates of four types of A. Lancea were determined by the portable photosynthetic instrument LI-6400 in natural environment. The parameters such as stem width, stem height, leaf area of single plant of aboveground parts were measured periodically. [Result] The photosynthetic rates of four types of A. Lancea were: the saw-tooth-leaf 20.2 micro;mol/(m2•s), the ellipse-leaf 18.96 micro;mol/(m2•s), the long-ellipse-leaf 15.6 micro;mol/(m2•s) and the sharp-leaf 17.6 micro;mol/(m2•s), respectively. The photosynthetic rate of the saw-tooth-leaf was higher than the other three types. The growth rate of the saw-tooth-leaf was the highest in the four types at 0.01 level. [Conclusion] The research provided certain theoretic basis for the further research on A. Lancea.
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