干旱区研究

干旱区研究 ›› 2011, Vol. 28 ›› Issue (6): 1031-1037.

• 植物生态 • 上一篇    下一篇

燃煤烟气脱硫镁渣对沙冬青种子萌发及幼苗生长的影响

 王凌1,2, 李彦3, 尹林克1,4, 陈昌和3, 王雷涛1,4, 刘艳丽5   

    1. 中国科学院 新疆生态与地理研究所，新疆 乌鲁木齐 830011
    2. 中国科学院 研究生院，北京 100049
    3. 清华大学，北京 100084
    4. 中国科学院 吐鲁番沙漠植物园，新疆 吐鲁番 838008
    5. 哈密地区环境监测站，新疆 哈密 839000
  • 收稿日期:2010-11-15 修回日期:2011-03-06 出版日期:2011-11-15 发布日期:2012-01-16
  • 作者简介:王凌（1983- ），女，新疆乌鲁木齐县人，在读硕士研究生，主要从事干旱区保护生物学研究.E-mail:wl121583@163.com
  • 基金资助:

    自治区科技支疆项目（094D051001）资助

Effects of Desulphurization Magnesium Slag from Flue Gas on Seed Germination and Seedling Growth of Ammopiptanthus mongolicus

 WANG  Ling1,2, LI  Yan3, YIN  Lin-Ke1,4, CHEN  Chang-He3, WANG  Lei-Tao1,4, LIU  Yan-Li5   

    1. Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China
    2. Graduate University, Chinese Academy of Sciences, Beijing 100049, China
    3. Tsinghua University, Beijing, China
    4. Turpan Desert Arboretum, Chinese Academy of Sciences, Turpan 838008, Xinjiang, China
    5. Hami Environmental Monitoring Station, Hami 839000, Xinjiang, China
  • Received:2010-11-15 Revised:2011-03-06 Published:2011-11-15 Online:2012-01-16

PDF (PC)

938

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被引次数

20

摘要： 采用室内光照培养法（光温自动控制的光照培养箱），研究沙质土壤中施加燃煤烟气脱硫镁渣（以下简称脱硫镁渣）对沙冬青（Ammopiptanthus mongolicus）种子萌发及幼苗生长的影响。结果表明：脱硫镁渣对种子萌发、幼苗出土和幼苗根系生长有显著的抑制作用；施用脱硫镁渣对幼苗的单株鲜/干重、总生物量及茎生长有显著的促进作用。与对照相比，在种子萌发到幼苗建成的整个过程中，当脱硫镁渣施用量在5～15 g/kg时，种子萌发率和幼苗出土率显著降低，幼苗生物量显著提高；脱硫镁渣施用量小于5 g/kg时，对于种子萌发和幼苗生长均无显著影响；施用量大于15 g/kg，单株干重、鲜重、生物量和幼苗茎生长均极显著增加，种子萌发率和幼苗出苗率极显著降低。

关键词: 燃煤烟气脱硫镁渣, 沙冬青（Ammopiptanthus mongolicus）, 种子萌发, 幼苗, 生物量, 沙质土壤

Abstract: In this paper, the effects of applied desulphurization magnesium slag from flue gas to sand on seed germination and seedling growth of [WTBX]Ammopiptanthus mongolicus[WTBZ] were researched using the indoor illuminating incubator. Five different fertilizer rates (i.e. 0, 5, 10, 15, 20 grams of desulphurization magnesium slag per 1 kilogram sand) were designed to observe the effects of applied desulphurization magnesium slag on germination energy, seeding index, germination rate, emergence percentage, emergence fresh or dry weight per plant, total biomass and growth of seedling stems and roots of A. mongolicus. The results show that desulphurization magnesium slag application had the effects on seed germination and seedling growth. Desulphurization magnesium slag restricted significantly the seed germination, seedling emergence and seedling root growth, and the restriction increased with increasing the application rates. Application of desulphurization magnesium slag promoted significantly the seedling fresh or dry weight per plant, total biomass and seedling stem growth, and this effect was increased with increasing the application rate. In the whole process from seed germination to seedling growth, seed germination and seedling emergence were significantly decreased when the application rate ranged from 5 to 15 g/kg compared with the control, but seedling biomass was significantly increased. When the application rate was lower than 5 g/kg, there was no significant effect on seed germination and seedling growth. When the application rate was higher than 15 g/kg, seed germination and seedling emergence were decreased very significantly, while seedling fresh or dry weight per plant, total biomass and seedling stem growth were increased very significantly.

Key words: desulphurization magnesium slag from flue gas, Ammopiptanthus mongolicus, seed germination, seedling, biomass, sandy soil

中图分类号: 

  • Q948.116