期刊
SCIENTIA HORTICULTURAE
卷 197, 期 -, 页码 516-520出版社
ELSEVIER
DOI: 10.1016/j.scienta.2015.10.012
关键词
Lanthanum (III) chloride; Antioxidant defense system; Water retaining capacity; Lilium longiflorum
类别
资金
- Important Scientific Research Project of Henan Institute of Science and Technology [2011010]
This study investigated the effects of lanthanum supplied as lanthanum (III) chloride (LaCl3) on the activities of antioxidant enzymes, the contents of non-enzymatic substances (reduced ascorbate (AsA) and reduced glutathione (GSH)), malondialdehyde (MDA), hydrogen peroxide (H2O2), osmoregulation substances (soluble protein, soluble sugar and proline) and the relative water content in the petals of Wium longiflorum cut flowers. The results showed that LaCl3 significantly increased the activities of peroxidase (POD), ascorbate peroxidase (APX), glutathione reductase (GR) and glutathione peroxidase (GPX), the contents of AsA and GSH, and significantly decreased the contents of MDA and H2O2, compared to control. Meanwhile, LaCl3 significantly increased the contents of proline, soluble sugar and soluble protein, and the relative water content. Our results suggested that LaCI3 delayed the senescence of L longiflorum cut flowers by improving antioxidant defense system and water retaining capacity. (C) 2015 Elsevier B.V. All rights reserved.
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