WEI Lan-lan.Physiological Response of Different Maize Varieties to Salt Stress[J].HEILONGJIANG AGRICULTURAL SCIENCES,2017,(03):27-29.[doi:10.11942/j.issn1002-2767.2017.03.0027]
不同玉米品种对盐胁迫的生理响应
- Title:
- Physiological Response of Different Maize Varieties to Salt Stress
- 文章编号:
- 1002-2767（2017）03-0027-03
- Keywords:
- maize; seedling stage; superoxide; peroxidase; proline
- 分类号:
- S513
- 文献标志码:
- A
- 摘要:
- 为了探索外源因素影响玉米耐盐性的机理，以3个玉米品种龙单42、庆单4号和先玉335为材料，研究其在不同浓度盐胁迫下SOD活性、POD活性和脯氨酸含量的变化情况。结果表明：随着处理NaCl溶液浓度的升高，所有品种的这3个指标均表现升高；且在NaCl溶液浓度为300 mmol?L-1时，达到最高值；先玉335的指标均表现最好，说明其耐盐能力较高。
- Abstract:
- In order to explore the effect mechanism of exogenous factors effect on salt resistance of maize,the experiment was conducted with three maize varieties Longdan 42,Qingdan 4 and Xianyu 335.The change of SOD activity,POD activity and proline content in seedling stage under different salt stress concentrations were studied.The results showed that with the increasing of the concentration of NaCl solution,three indexes of all the varieties showed an upward trend.When the solution concentration was 300 mmol?L-1,it showed the highest value.Indicators of Xianyu 335 had the best performance,indicating its higher salt tolerance.
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备注/Memo
收稿日期：2017-02-06
作者简介：魏岚岚（1978-），女，黑龙江省哈尔滨市人，学士，助理研究员，从事农业技术推广研究。E-mail: xiaodi1125@126.com。