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乙烯利对干旱胁迫下草地早熟禾生理指标的影响

隋永超, 冷暖, 姜赫男, 武雪, 罗智浩, 叶昊坤, 冯玉宇, 许立新

隋永超, 冷暖, 姜赫男, 武雪, 罗智浩, 叶昊坤, 冯玉宇, 许立新. 乙烯利对干旱胁迫下草地早熟禾生理指标的影响[J]. 草业科学, 2018, 12(4): 822-828. DOI: 10.11829/j.issn.1001-0629.2017-0348
引用本文: 隋永超, 冷暖, 姜赫男, 武雪, 罗智浩, 叶昊坤, 冯玉宇, 许立新. 乙烯利对干旱胁迫下草地早熟禾生理指标的影响[J]. 草业科学, 2018, 12(4): 822-828. DOI: 10.11829/j.issn.1001-0629.2017-0348
Yong-chao Sui, Nuan Leng, He-nan Jiang, Xue Wu, Zhi-hao Luo, Hao-kun Ye, Yu-yu Feng, Li-xin Xu. Effect of ethephon on physiological indexes of Kentucky bluegrass under drought stress[J]. Pratacultural Science, 2018, 12(4): 822-828. DOI: 10.11829/j.issn.1001-0629.2017-0348
Citation: Yong-chao Sui, Nuan Leng, He-nan Jiang, Xue Wu, Zhi-hao Luo, Hao-kun Ye, Yu-yu Feng, Li-xin Xu. Effect of ethephon on physiological indexes of Kentucky bluegrass under drought stress[J]. Pratacultural Science, 2018, 12(4): 822-828. DOI: 10.11829/j.issn.1001-0629.2017-0348

乙烯利对干旱胁迫下草地早熟禾生理指标的影响

基金项目: 

中国林学会青年人才托举工程(2015QNRC001))

摘要: 以草地早熟禾(Poa pratensis)‘Nuglade’品种为试验材料,研究叶片喷施乙烯利对草地早熟禾在水分充足、干旱及复水恢复3种处理下叶片电解质渗透率、叶绿素、可溶性蛋白、丙二醛(MDA)等生理指标的影响。结果表明,乙烯利与对照组(CK)相比,乙烯利在干旱胁迫下保持更高的叶片相对含水量23.5%(对照为11.5%)和更低的电解质渗透率68.1%(对照为90.7%)及MDA含量53.90 μmol·g-1(对照检查131.62 μmol·g-1),且复水后的电解质渗透率恢复程度更好;此外乙烯利处理提高了复水恢复过程草地早熟禾的可溶性蛋白含量;说明,叶片喷施乙烯利能够缓解草地早熟禾的干旱胁迫损伤,并促进干旱后的复水恢复。

 

English

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  • 收稿日期:  2017-06-22
  • 发布日期:  2018-04-19

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