IMHE OpenIR  > 山地表生过程与生态调控重点实验室
Growth and physiological responses to arbuscular mycorrhizal fungi and salt stress in dioecious plant Populus tomentosa
Lu, Yanwei1,2; Wang, Guangquan1; Meng, Qingjie1; Zhang, Wenhui1; Duan, Baoli2
Corresponding AuthorDuan, Baoli
2014
Source PublicationCANADIAN JOURNAL OF FOREST RESEARCH
ISSN0045-5067
EISSN1208-6037
Volume44Issue:9Pages:1020-1031
SubtypeArticle
AbstractThis study elucidated whether the beneficial effect of arbuscular mycorrhizal (AM) symbiosis was different in male and female Populus tomentosa Carri re trees. Female and male cuttings of P. tomentosa were treated with two AM fungal regimes, with or without an AM fungus (Glomus constrictum Trappe) inoculation, and with three salt regimes, no salt, low-salinity level (100 mmol center dot L-1 NaCl), and high-salinity level (200 mmol center dot L-1 NaCl). Our results showed that AM fungal colonization alleviated the salt-induced reduction in growth, gas exchange, photosynthetic pigment content, and nitrogen (N) and phosphorus (P) concentrations in the leaves, stems, and roots under low-salinity conditions. However, these effects were not alleviated under highsalinity conditions. AM fungal colonization was associated with a reinforcement of the activity of superoxide dismutase (SOD) and guaiacol peroxidase (GPx) and an inhibition of malondialdehyde (MDA) in treated plants of both genders under low-salinity conditions. Furthermore, sodium (Na+) and chlorine (Cl-) concentrations in tree organs were lower in the AM than the non-AM plants under the low-salinity condition in both sexes. AM fungal treatment may protect salt-stressed plants via the inhibition of salt-induced oxidative stress, which improves nutrient absorbance and inhibits Na+ transport from the roots to the shoots. In addition, small differences in plant growth induced by AM fungal colonization were observed between sexes, but significant gender differences were obtained in other parameters such as SOD and GPx activities and N and P concentrations.
KeywordGlomus Constrictum Male And feMale Cuttings Mycorrhizal Inoculation Salt Stress Sodium Chloride
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.1139/cjfr-2014-0009
WOS Subject ExtendedForestry
Indexed BySCI
WOS KeywordSEX-SPECIFIC RESPONSES ; MINERAL-NUTRITION ; NUTRIENT-UPTAKE ; DROUGHT STRESS ; ADAPTIVE RESPONSES ; SALINITY TOLERANCE ; WATER ; LEAF ; SOIL ; DIVERSITY
Language英语
WOS SubjectForestry
WOS IDWOS:000341517400004
Funding OrganizationNational Key Basic Research Program of China(2012CB416901) ; National Natural Science Foundation of China(31100456) ; Youth Talent Team Program of the Institute of Mountain Hazards and Environment, CAS(SDSQB-2012-01) ; Shandong Provincial Education Department(J10LC23)
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Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/9948
Collection山地表生过程与生态调控重点实验室
Affiliation1.Liaocheng Univ, Sch Life Sci, Liaocheng 252059, Peoples R China
2.Chinese Acad Sci, Inst Mt Hazards & Environm, Key Lab Mt Surface Proc & Ecol Regulat, Chengdu 610041, Peoples R China
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
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GB/T 7714
Lu, Yanwei,Wang, Guangquan,Meng, Qingjie,et al. Growth and physiological responses to arbuscular mycorrhizal fungi and salt stress in dioecious plant Populus tomentosa[J]. CANADIAN JOURNAL OF FOREST RESEARCH,2014,44(9):1020-1031.
APA Lu, Yanwei,Wang, Guangquan,Meng, Qingjie,Zhang, Wenhui,&Duan, Baoli.(2014).Growth and physiological responses to arbuscular mycorrhizal fungi and salt stress in dioecious plant Populus tomentosa.CANADIAN JOURNAL OF FOREST RESEARCH,44(9),1020-1031.
MLA Lu, Yanwei,et al."Growth and physiological responses to arbuscular mycorrhizal fungi and salt stress in dioecious plant Populus tomentosa".CANADIAN JOURNAL OF FOREST RESEARCH 44.9(2014):1020-1031.
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