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Effects of SA on Root Activity and Antioxidant Enzyme Activity ofDendrobium officinale Seedlings Under Low Temperature Stress(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2017年22
Page:
83-87
Research Field:
Publishing date:

Info

Title:
Effects of SA on Root Activity and Antioxidant Enzyme Activity ofDendrobium officinale Seedlings Under Low Temperature Stress
Author(s):
CHEN Minghui; CHENG Shiping; TONG Weishuang; ZHANG Zhilu
Key Laboratory of Ecological Restoration in Low Mountain and Hilly Areas,Pingdingshan University,Pingdingshan,Henan 467000
Keywords:
Dendrobium officinale; low temperature stress; salicylic acid; root activity; antioxidantenzyme
PACS:
-
DOI:
10.11937/bfyy.20172380
Abstract:
Dendrobium officinale Kimura et Migo seedling was used as material,SA(Salicylic acid) was sprayed to D.officinale leaves,changes of root activity and antioxidant enzyme of D.officinale under low temperature stress were observed.To study the effects of SA pretreatment on D.officinale seedlings root under low temperature stress.The results showed that,at the tenth day of cold stress,the root activity in D.officinale seedlings was significantly decreased by 23.05 μg·g-1·h-1.A and the activities of superoxiede dismutase(SOD),peroxidase(POD),ascorbate peroxidase (APX) and catalse(CAT) were significantly increased by 28.10 U?g-1，140.65 U·g-1·min-1,75.05 U·g-1·min-1，48.21 U·g-1·min-1 at the seventh day of low temperature stress,respectively.Petreatment with 0.5 mmol?L-1 SA,D.officinale seedlings root activity significantly increased by 18.20 μg·g-1·h-1,and the activities of SOD,POD,APX and CAT were significantly increased by 22.54 U·g-1，59.00 U·g-1·min-1，64.57 U?g-1?min-1，21.81 U·g-1·min-1 at the seventh day of low temperature stress,respectively.It had been concluded that SA in appropriate can slow down the hurt of low temperature and enhance cold tolerance of D.officinale.

References:

[1]邵华,张玲琪,李俊梅,等.铁皮石斛研究进展[J].中草药,2004,35(1):109-112.

[2]彭锐,范俊安,张艳.石斛属药用植物种质资源研究进展[J].时珍国医国药,2001,12(3):273-274.
[3]艾娟,严宁,胡虹,等.温度对铁皮石斛生长及生理特性的影响[J].云南植物研究,2010,32(5):420-426.
[4]孟雪娇,邸昆,丁国华.水杨酸在植物体内的生理作用研究进展[J].中国农学通报,2010,26(15):207-214.
[5]初敏,王秀峰,王淑芬,等.外源SA预处理对低温胁迫下萝卜幼苗的生理效应[J].西北农业学报,2012,21(2):142-145,183.
[6]KANG G Z,WANG C H,SUN G C,et al.Salicylic acid changes activities of H2O2-metabolizing enzymes and increase the chilling tolerance of banana seedings[J].Environmental andExperimental Botany,2003,50(1):9-15.
[7]张蕊,高志明,吕俊,等.水杨酸对低温胁迫下大豆幼苗生长抑制的缓解作用[J].江苏农业科学,2012,40(6):62-65.
[8]刘萍,李明军.植物生理学实验技术[M].北京:科学出版社,2008.
[9]PARIDA A K,DAS A B,MOHANTY P.Defense potentials to NaCl in a mangrove,Bruguiera parviora:Differential changes of isoforms of some antioxidative enzymes[J].J Plant Physiol,2004,161:531-542.
[10]和红云,薛琳,田丽萍,等.低温胁迫对甜瓜幼苗根系活力及渗透调节物质的影响[J].石河子大学学报(自然科学版),2008,26(5):583-586.
[11]康俊梅,李燕,沈静,等.低温胁迫对野牛草幼苗渗透调节物与根系活力的影响[J].动物营养与饲料科学,2010,37(12):18-22.
[12]刘伟,艾希珍,梁文娟,等.低温弱光下水杨酸对黄瓜幼苗光合作用及抗氧化酶活性的影响[J].应用生态学报,2009,20(2):441-445.
[13]王志斌,葛云霞,王建民,等.水杨酸和赤霉素复配剂对低温下玉米光合特性的影响[J].玉米科学,2010,18(6):43-45.
[14]辛慧慧,李防洲,侯振安,等.低温胁迫下棉花幼苗对外源水杨酸的生理响应[J].植物生理学报,2014,50(5):660-664.
[15]蔡汉,李卫东,熊作明,等.低温胁迫下水杨酸预处理对茉莉幼苗活性氧及保护酶的影响[J].植物生理科学,2007,23(7):290-294.
[16]常云霞,徐克东,陈璨,等.水杨酸对低温胁迫下黄瓜幼苗叶片抗寒生理指标的影响[J].北方园艺,2013(12):1-4.
[17]康国章,欧志英,王正询,等.水杨酸诱导提高香蕉幼苗耐寒性的机制研究[J].园艺学报,2003,30(2):141-146.
[18]尚庆茂,宋士清,张志刚,等.水杨酸增强黄瓜幼苗耐盐性的生理机制[J].中国农业科学,2007,40(1):147-152.
[19]李艳军,工丽丽,蒋欣梅,等.外源水杨酸诱导对番茄幼苗抗冷性的影响[J].东北农业大学学报,2006,37(4):463-467.

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Last Update: 2017-11-22