Volume 27 Issue 6
Dec.  2010
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LENG Hua-nan, ZHENG Kang-le, LI Guo-dong, GUI Ren-yi. Aluminum stress with seed germination and seedling growth in Phyllostachys pubescens[J]. Journal of Zhejiang A&F University, 2010, 27(6): 851-857. doi: 10.11833/j.issn.2095-0756.2010.06.008
Citation: LENG Hua-nan, ZHENG Kang-le, LI Guo-dong, GUI Ren-yi. Aluminum stress with seed germination and seedling growth in Phyllostachys pubescens[J]. Journal of Zhejiang A&F University, 2010, 27(6): 851-857. doi: 10.11833/j.issn.2095-0756.2010.06.008

Aluminum stress with seed germination and seedling growth in Phyllostachys pubescens

doi: 10.11833/j.issn.2095-0756.2010.06.008
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  • Corresponding author: GUI Ren-yi
  • Publish Date: 2010-12-20
通讯作者: 陈斌, bchen63@163.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Aluminum stress with seed germination and seedling growth in Phyllostachys pubescens

doi: 10.11833/j.issn.2095-0756.2010.06.008
    Corresponding author: GUI Ren-yi

Abstract: Based on the effects of different aluminum (Al) concentrations (0,50,200,500,and 2 000 molL-1) on seed germination,seedling root growth,superoxide dismutase (SOD),peroxidase (POD),and malondialdehyde (MDA) in Phyllostachys pubescens (moso bamboo),this study determined the level of Al tolerance for moso bamboo through comparison with two rice cultivars:Oryza sativa IR1552(Al-sensitive) and Oryza sativa Azucena(Al-tolerant). Results showed that an Al concentration of 200 molL-1 did not significantly inhibit seed germination of moso bamboo,whereas with 500 molL-1,germination was inhibited but not significantly. Also,an Al concentration of 2 000 molL-1 resulted in 50% survival. For the 500 molL-1 Al treatment,seedling root growth was inhibited in 1 d,and with continued Al stress growth within 3 d did not recover. However,with continued Al stress,root growth in IR1552 recovered within 3 d. Meanwhile,with Al stress for 3 d,there was no significant increase of SOD activity in the root tips of moso bamboo (P = 0.153 1),but POD activity for moso bamboo(P = 0.018 0),IR1552 and Azucena(P<0.05) were significant. In addition,POD activity and MDA content in the root tips of moso bamboo were higher than in IR1552. These results showed that P. pubescens had a lower Altolerance than IR1552indicating a moderate Al-tolerance in plants.[Ch,3 fig. 3 tab. 29 ref.]

LENG Hua-nan, ZHENG Kang-le, LI Guo-dong, GUI Ren-yi. Aluminum stress with seed germination and seedling growth in Phyllostachys pubescens[J]. Journal of Zhejiang A&F University, 2010, 27(6): 851-857. doi: 10.11833/j.issn.2095-0756.2010.06.008
Citation: LENG Hua-nan, ZHENG Kang-le, LI Guo-dong, GUI Ren-yi. Aluminum stress with seed germination and seedling growth in Phyllostachys pubescens[J]. Journal of Zhejiang A&F University, 2010, 27(6): 851-857. doi: 10.11833/j.issn.2095-0756.2010.06.008

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