[1]李文明,张岳,辛建攀,等. 酸碱处理对棱枝山矾生长和生理的影响[J].西北林学院学报,2018,33(1):68-73.[doi:10.3969/j.issn.1001-7461.2018.01.11]
　LI Wen-ming,ZHANG Yue,XIN Jian-pan,et al. Effects of Acid and Alkali Treatment on the Ggrowth and Physiology of Symplocos tetragona[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2018,33(1):68-73.[doi:10.3969/j.issn.1001-7461.2018.01.11]
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 酸碱处理对棱枝山矾生长和生理的影响()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第33卷
期数:
2018年第1期
页码:
68-73
栏目:
出版日期:
2018-01-31

文章信息/Info

Title:
 Effects of Acid and Alkali Treatment on the Ggrowth and Physiology of Symplocos tetragona
文章编号:
1001-7461(2018)01-0068-06
作者:
 李文明; 张岳; 辛建攀; 田如男*
 （南京林业大学 风景园林学院，江苏 南京 210037）
Author(s):
 LI Wen-ming; ZHANG Yue; XIN Jian-pan; TIAN Ru-nan*
 (College of Landscape Architecture,Nanjing Forestry University,Nanjing,Jiangsu 210037,China)
关键词:
 ; 棱枝山矾; 酸碱处理; 生长指标; 生理指标
Keywords:
Symplocos tetragona;  acid and alkali treatment;  growth index;  physiological index
分类号:
S792.99
DOI:
10.3969/j.issn.1001-7461.2018.01.11
文献标志码:
A
摘要:
 以2年生棱枝山矾实生苗为试验材料，采用水培法研究不同强度酸碱（pH：4.5、5.5、6.5、7.5和8.5）处理对其生长和生理的影响，探讨对酸碱处理的适应机制。结果表明，棱枝山矾对酸处理具有一定的耐性，在pH 5.5~7.5处理下基本能正常生长；酸碱处理对植株的高度生长和生物量积累具有抑制作用；酸碱性越强，处理时间越长，伤害指数和细胞膜透性越大；随着酸碱处理时间的延长，游离脯氨酸含量呈上升趋势，叶绿素含量、可溶性糖含量和抗氧化酶活性呈上升—下降趋势；酸碱处理抑制抗氧化酶活性，影响可溶性糖和游离脯氨酸的积累；在酸碱处理条件下，棱枝山矾主要通过改变渗透调节物含量和抗氧化酶活性来适应酸碱环境。
Abstract:
 Seedlings of 2-year-old Symplocos tetragona were cultured by hydroponics with different pH (4.5，5.5，6.5，7.5,and 8.5) to observe the growth and physiological characters of the seedlings,and to further reveal the mechanism of the plant to the variation of pH environment.The results showed that the biennial seedlings were somewhat tolerable to acid treatment and it could grow normally within the pH range of 5.5-7.5.Acid and alkali treatment had an inhibitory effect on plant growth and biomass accumulation,while the damage index and cell membrane permeability showed a time-dependent tendency and were modified in an acid and alkali-dependent manner.As the treatment continued,the content of free proline showed a tendency of continuously increasing,while the content of chlorophyll and soluble sugar and the activity of antioxidant enzyme rose up first and then fell down.The acid and alkali treatment had an inhibitory effect on the antioxidant enzyme activity,and exerted influence on the accumulation of soluble sugar and free proline.In conclusion,S.tetragona modified the content of osmotic regulator and antioxidant enzyme activity to adapt to acid and alkali environment.

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备注/Memo

备注/Memo:
 收稿日期：2017-08-09修回日期：2017-09-25
基金项目：林业科学技术推广项目（［2017］11号）；江苏高校“青蓝工程”资助项目；江苏高校品牌专业建设工程项目（PPZY2015A063）。
作者简介：李文明，男，在读硕士，研究方向：园林植物生理生态。E-mail：1522253127@qq.com
*通信作者：田如男，女，教授，博士生导师，研究方向：园林植物应用、园林植物生理生态、园林植物繁殖与栽培。E-mail：beike0607@aliyun.com
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