Effect of La (III) on some Physiological Index and Ultrastructure of Honeysuckle (Lonicera japonica Thunb.)

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In this paper, the effect of La (III) on some physiological index and ultrastructure of honeysuckle leaves were investigated. The experimental results indicated that the effect of La (III) on honeysuckle growth depended on La (III) concentration. When the concentration of La (III) was low, it can increase POD activity, increase the chlorophyll contents and the chlorophyll a/b value, decrease the contents of MDA and H2O2, so the photosynthetic capacity was strengthened and the membrane lipid peroxidation was decreased. When the concentration of La (III) was high, La (III) could inhibit POD activity, decrease the chlorophyll contents and the chlorophyll a/b value, increase the contents of MDA and H2O2, so the photosynthetic capacity was inhibited and the membrane lipid peroxidation was increased. Meanwhile, the low concentration of La (III) did not destroy the cell structure, however, the high concentration of La (III) acted as a heavy metal and destroyed the cell structure and membrane system, La (III) showed a hormesis effecton honeysuckle growth.Abbreviations. ROS: reactive oxygen species, POD: peroxidase, CAT: catalase, SOD: superoide dismutase, MDA: malondialdehyde, TCA: trichloroacetic acid, REL: relative electrolyte leakage,

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Periodical:

Advanced Materials Research (Volumes 864-867)

Edited by:

Hui Li, Qunjie Xu and Honghua Ge

Pages:

295-298

Citation:

S. F. Guo et al., "Effect of La (III) on some Physiological Index and Ultrastructure of Honeysuckle (Lonicera japonica Thunb.)", Advanced Materials Research, Vols. 864-867, pp. 295-298, 2014

Online since:

December 2013

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$38.00

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