期刊文献+

高温胁迫条件下一串红热胁迫响应研究

下载PDF
导出
摘要 以两个耐热性不同的一串红品种展望和帝王为研究材料,在人工气候箱高温胁迫(40℃)条件下,研究了一串红叶片叶绿素含量(SPAD值)、Fv/Fm(光系统Ⅱ最大光化学效率)、过氧化氢酶(CAT)活性、过氧化物酶(POD)活性、超氧化物歧化酶(SOD)活性、丙二醛(MDA)和脯氨酸含量的影响,并探讨了两个品种的耐热性机制。结果表明,短期高温胁迫(40℃)能引起两个品种一串红PSⅡ反应中心的可逆失,氧化酶活性的提高、抗氧化剂和渗透调节物质的产生在一定程度上减轻了植物氧化胁迫,与帝王相比,展望光保护机制和活性氧清除系统较强。
作者 刘辉 黄康康
出处 《杭州农业与科技》 2014年第3期28-32,共5页 Hangzhou Agricultural Science and Technology
  • 相关文献

参考文献11

  • 1Wahid A and Close TJ. Expression of dehydrins under heat stress and their relationship with water relations of sugarcane leaves [J]. Biologia Plantarum, 2007, 51: 104-109.
  • 2Nover L. The heat stress response as part of the plant stress network: An overview with six table, In: Cherry JH (ed). NATO-ASI series on biochemical and cellular mech- anisms of stress tolerance in plants [M]. Springer, Ber- lin-New York, 1994, 3-45.
  • 3Maestri E, Klucva N, Perrotta C et al. Molecular genetics of heat tolerance and heat shock proteins in cereals [J]. Plant Molecular Biology, 2002, 48: 667-681.
  • 4Salvucci ME and Crafts-Brandner SJ. Inhibition of photo- synthesis by heat stress: the activation state of Rubisco as a limiting factor in photosynthesis [J]. Physiologia Plan- tatum, 2004, 120: 179-186.
  • 5『王学奎.植物生理生化实验原理与技术[M].2版.北京:高等教育出版社,2006,167-281.
  • 6Yamada M, Hidaka T, Fukamachi H. Heat tolerance inleaves of tropical fruit crops as measured by chlorophyll fluorescence [J]. Scientia Horticulturae, 1996, 67: 39-48.
  • 7Maxwell K and Johnson GN. Chlorophyll fluorescence-a practical guide [J]. Journal of Experimental Botany, 2000, 51: 659-668.
  • 8Vierling E. The role of heat shock proteins in plants [J]. Annual Review of Plant Physiology and Plant Molecular Biology, 1991, 42: 579-620.
  • 9Vinocur B and Altman A. Recent advances in engineering plant tolerance to abiotic stress: achievements and limita- tions [J]. Current Opinion in Biotechnology, 2005, 16: 123-132.
  • 10Bohnert H J, Gong Q Q, Li P H et al. Unraveling abiotic stress tolerance mechanisms-getting genomics going [J]. Current Opinion Plant Biology, 2006, 9: 180-188.

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部