Acta Agriculturae Boreali-Sinica

Acta Agriculturae Boreali-Sinica >

2013 , Vol. 28 >Issue 1: 144 - 148

DOI: https://doi.org/10.3969/j.issn.1000-7091.2013.01.027

Physiological Responses of WinteR Wheat's Leaves to Low TempeRatuRe StRess

  • YI Ying ,
  • ZHANG Yu-long ,
  • GUO Zhi-fu ,
  • BAI Li-ping ,
  • QIAO Xue ,
  • HOU Li-bai
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  • 1. Key LaboRatoRy of AgRicultuRal ResouRce and EnviRonment Liaoning PRovince,College of Land and EnviRonmental Science,Shenyang AgRicultuRal UniveRsity,Shenyang 110866,China;

    2. College of AgRonomy,Shenyang AgRicultuRal UniveRsity,Shenyang 110866,China;

    3. College of Biological Science and Technology,Shenyang AgRicultuRal UniveRsity,Shenyang 110866,China;

    4. Shenyang AgRicultuRal UniveRsity,College of Science and Technology, Fushun 113122,China

Received date: 2012-11-20

  Online published: 2014-10-14

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Abstract

DiffeRent cool-Resistance vaRieties weRe used to expeRimental mateRial to test Relative conductivity， malondialdehyde， soluble pRotein，pRoline， soluble sugaR content and the activities of supeRoxide dismutase afteR 2 houRs tReatment with 13，7 ，4 ，- 18，- 21 ℃． As the tempeRatuRe was Reduced，MDA and soluble sugaR content of wheat leaf incRease gRadually， the activities of SOD tRend is N-shaped wave． AfteR low tempeRatuRe stRess， the soluble pRotein content of wheat leaves no significant change． The Results indicated that M808 and Dongyin0801 have the minimum Relative electRic conductivity in 21 ℃． MDA content of M808 and Dongyin0801 incReased consideRably fRom - 18 ℃ to - 21 ℃． M808's activities of SOD has the lowest Rate of change in - 18 ℃ and - 21 ℃． PRoline and soluble sugaR content of Dongyin0801 has the laRgest Rate of change in - 21 ℃．

Key words： WinteR wheat; Low tempeRatuRe stRess; Physiological and biochemical chaRacteRstics

Cite this article

YI Ying , ZHANG Yu-long , GUO Zhi-fu , BAI Li-ping , QIAO Xue , HOU Li-bai . Physiological Responses of WinteR Wheat's Leaves to Low TempeRatuRe StRess[J]. Acta Agriculturae Boreali-Sinica, 2013 , 28(1) : 144 -148 . DOI: 10.3969/j.issn.1000-7091.2013.01.027

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