WU Chun-xia,YANG Jing-hui,LIU Ting,et al.The Growth and Physiological Reaction of Sunflower in ‘F57’ and ‘Xinkuiza No.4’ Under the Salt Stress[J].Northern Horticulture,2014,38(23):14-16.
盐胁迫下“F57”和“新葵杂4号”油葵生长和生理反应
- Title:
- The Growth and Physiological Reaction of Sunflower in ‘F57’ and ‘Xinkuiza No.4’ Under the Salt Stress
- 文章编号:
- 1001-0009(2014)23-0014-03
- Keywords:
- salt stress; plant height; leaf area; membrane permeability; variety
- 分类号:
- S 565.5
- 文献标志码:
- A
- 摘要:
- 以“F57”和“新葵杂4号”为试材，通过不同NaCl浓度(0.3%、0.6%、0.9%、1.2%、1.5%)处理，分析了2个品种油葵的株高、叶面积、叶片的电导率等指标，以期选育出较耐盐的油葵品种用于能源植物栽培。结果表明：在不同盐浓度及不同时间胁迫处理下，“F57”的植株生长量，叶面积增长量均较“新葵杂4号”的小，而2个品种电解质外渗率差异不大；随盐浓度增加，株高整体呈下降趋势，叶面积总体呈增长趋势；同一浓度下，随盐胁迫作用天数的增加，“F57”油葵株高明显被抑制，但仍呈增长趋势，叶面积也基本呈增长趋势；“新葵杂4号”油葵在各浓度下均表现出较强的生长势（植株长高得多），叶面积增长量也呈明显的上升趋势；综合分析显示，“新葵杂4号”的抗盐性明显强于“F57”油葵。
- Abstract:
- Taking ‘F57’ and ‘Xinkuiza No.4’ as test materials，the height of plant，leaf area of plant，leaf conductivity in two varieties of oil sunflowers were studied by NaCl stess in different concentrations (0.30%，0.60%，0.90%，1.20%，1.50%).In order to development energy plant and cultivate oil sunflower in salt soil.The results showed that the plant height and leaf area of ‘F57’ were all smaller than ‘Xinkuiza No.4’ sunflower under the different salt concentrations.But，there was no significant differences in the electrolyte leakage rate of leaves.With increasing of salt concentration，the plant height was declined and leaf area was increased.Under the same concentration，the plant growth of ‘F57’ was suppressed with the increasing of salt concentration.Under the same conditions，plant of ‘Xinkuiza No.4’ was higher and stronger growth，and leaf area was significantly increased.Comprehensive analysis showed that salt resistance of ‘Xinkuiza No.4’ was stronger than that of ‘F57’.
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备注/Memo
第一作者简介：武春霞（1970-），女，天津人，硕士，副教授，现主要从事植物抗性等研究工作。E-mail：wuchunxia2005@126.com.