Drought resistance of four grasses using pressure-volume curve

HE Xingdong1, GAO Yubao1, LU Jianguo1, WANG Haitao1, XUE Pingping1, CONG Peifang2, ZHANG Xu3

Front. Biol. ›› 2007, Vol. 2 ›› Issue (4) : 425-430.

PDF(335 KB)
PDF(335 KB)
Front. Biol. ›› 2007, Vol. 2 ›› Issue (4) : 425-430. DOI: 10.1007/s11515-007-0065-8

Drought resistance of four grasses using pressure-volume curve

  • HE Xingdong1, GAO Yubao1, LU Jianguo1, WANG Haitao1, XUE Pingping1, CONG Peifang2, ZHANG Xu3
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Abstract

Pressure-volume curve (PV curve) technique is a major method for studying critical plant water potential and critical tissue water content when plasmolysis takes place. In the present study, a mathematical solution method is put forward to obtain parameters based on the PV curve. The calculated results for the parameters of Lolium perenne, Festuca arundinacea, Leymus chinensis and Stipa krylovii indicated that the mathematical solution method is convenient for actual research compared with the graphical method. Further analysis of the calculations suggested that drought resistance decreased in the following order: S. krylovii>F. arundinacea and L. chinensis>L. perenne.

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HE Xingdong, GAO Yubao, LU Jianguo, WANG Haitao, XUE Pingping, CONG Peifang, ZHANG Xu. Drought resistance of four grasses using pressure-volume curve. Front. Biol., 2007, 2(4): 425‒430 https://doi.org/10.1007/s11515-007-0065-8
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