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Colonization with arbuscular mycorrhizal fungi improves salinity tolerance of tomato (Solanum lycopersicum L.) plants

The purpose of this study was to investigate the mechanisms underlying alleviation of salt stress by mycorrhization. Solanum lycopersicum L. cultivars Behta and Piazar with different salinity tolerance were cultivated in soil without salt (EC= 0.63 dSm-1), with low (EC=5 dSm-1), or high (EC= 10 dSm-... Full description

Journal Title: Plant and soil 2010-06-01, Vol.331 (1/2), p.313-327
Main Author: Hajiboland, Roghieh
Other Authors: Aliasgharzadeh, Naser , Laiegh, Shirin Farsad , Poschenrieder, Charlotte
Format: Electronic Article Electronic Article
Language: English
Subjects:
Publisher: Dordrecht: Springer
ID: ISSN: 0032-079X
Link: http://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=22835527
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recordid: cdi_proquest_journals_200619831
title: Colonization with arbuscular mycorrhizal fungi improves salinity tolerance of tomato (Solanum lycopersicum L.) plants
format: Article
creator:
  • Hajiboland, Roghieh
  • Aliasgharzadeh, Naser
  • Laiegh, Shirin Farsad
  • Poschenrieder, Charlotte
subjects:
  • Agronomy. Soil science and plant productions
  • Animal, plant and microbial ecology
  • Antioxidants
  • Biological and medical sciences
  • Biomedical and Life Sciences
  • Ecology
  • Economic plant physiology
  • Enzymes
  • Fundamental and applied biological sciences. Psychology
  • Fungi
  • General agronomy. Plant production
  • Inoculation
  • Life Sciences
  • Microbial colonization
  • Oxidative stress
  • Plant biology
  • Plant Physiology
  • Plant roots
  • Plant Sciences
  • Plants
  • Proline
  • Regular Article
  • Salinity
  • Soil inoculation
  • Soil microorganisms
  • Soil salinity
  • Soil Science & Conservation
  • Soil-plant relationships. Soil fertility
  • Soil-plant relationships. Soil fertility. Fertilization. Amendments
  • Symbiosis (nodules, symbiotic nitrogen fixation, mycorrhiza...)
  • Tomatoes
ispartof: Plant and soil, 2010-06-01, Vol.331 (1/2), p.313-327
description: The purpose of this study was to investigate the mechanisms underlying alleviation of salt stress by mycorrhization. Solanum lycopersicum L. cultivars Behta and Piazar with different salinity tolerance were cultivated in soil without salt (EC= 0.63 dSm-1), with low (EC=5 dSm-1), or high (EC= 10 dSm-1) salinity. Plants inoculated with the arbuscular mycorrhizal fungi Glomus intraradices (+AMF) were compared to non-inoculated plants (-AMF). Under salinity, AMF-mediated growth stimulation was higher in more salt tolerant Piazar than in sensitive Behta. Mycorrhization alleviated saltinduced reduction of P, Ca, and K uptake. Ca/Na and K/Na ratios were also better in +AMF. However, growth improvement by AMF was independent from plant P nutrition under high salinity. Mycorrhization improved the net assimilation rates through both elevating stomatal conductance and protecting photochemical processes of PSII against salinity. Higher activity of ROS scavenging enzymes was concomitant with lowering of H2O2, less lipid peroxidation, and higher proline in +AMF. Cultivar differences in growth responses to salinity and mycorrhization could be well explained by differences in ion balance, photochemistry, and gas exchange of leaves. Function of antioxidant defenses seemed responsible for different AMF-responsiveness of cultivars under salinity. In conclusion, AMF may protect plants against salinity by alleviating the saltinduced oxidative stress.
language: eng
source:
identifier: ISSN: 0032-079X
fulltext: no_fulltext
issn:
  • 0032-079X
  • 1573-5036
url: Link


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creatorHajiboland, Roghieh ; Aliasgharzadeh, Naser ; Laiegh, Shirin Farsad ; Poschenrieder, Charlotte
creatorcontribHajiboland, Roghieh ; Aliasgharzadeh, Naser ; Laiegh, Shirin Farsad ; Poschenrieder, Charlotte
descriptionThe purpose of this study was to investigate the mechanisms underlying alleviation of salt stress by mycorrhization. Solanum lycopersicum L. cultivars Behta and Piazar with different salinity tolerance were cultivated in soil without salt (EC= 0.63 dSm-1), with low (EC=5 dSm-1), or high (EC= 10 dSm-1) salinity. Plants inoculated with the arbuscular mycorrhizal fungi Glomus intraradices (+AMF) were compared to non-inoculated plants (-AMF). Under salinity, AMF-mediated growth stimulation was higher in more salt tolerant Piazar than in sensitive Behta. Mycorrhization alleviated saltinduced reduction of P, Ca, and K uptake. Ca/Na and K/Na ratios were also better in +AMF. However, growth improvement by AMF was independent from plant P nutrition under high salinity. Mycorrhization improved the net assimilation rates through both elevating stomatal conductance and protecting photochemical processes of PSII against salinity. Higher activity of ROS scavenging enzymes was concomitant with lowering of H2O2, less lipid peroxidation, and higher proline in +AMF. Cultivar differences in growth responses to salinity and mycorrhization could be well explained by differences in ion balance, photochemistry, and gas exchange of leaves. Function of antioxidant defenses seemed responsible for different AMF-responsiveness of cultivars under salinity. In conclusion, AMF may protect plants against salinity by alleviating the saltinduced oxidative stress.
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subjectAgronomy. Soil science and plant productions ; Animal, plant and microbial ecology ; Antioxidants ; Biological and medical sciences ; Biomedical and Life Sciences ; Ecology ; Economic plant physiology ; Enzymes ; Fundamental and applied biological sciences. Psychology ; Fungi ; General agronomy. Plant production ; Inoculation ; Life Sciences ; Microbial colonization ; Oxidative stress ; Plant biology ; Plant Physiology ; Plant roots ; Plant Sciences ; Plants ; Proline ; Regular Article ; Salinity ; Soil inoculation ; Soil microorganisms ; Soil salinity ; Soil Science & Conservation ; Soil-plant relationships. Soil fertility ; Soil-plant relationships. Soil fertility. Fertilization. Amendments ; Symbiosis (nodules, symbiotic nitrogen fixation, mycorrhiza...) ; Tomatoes
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descriptionThe purpose of this study was to investigate the mechanisms underlying alleviation of salt stress by mycorrhization. Solanum lycopersicum L. cultivars Behta and Piazar with different salinity tolerance were cultivated in soil without salt (EC= 0.63 dSm-1), with low (EC=5 dSm-1), or high (EC= 10 dSm-1) salinity. Plants inoculated with the arbuscular mycorrhizal fungi Glomus intraradices (+AMF) were compared to non-inoculated plants (-AMF). Under salinity, AMF-mediated growth stimulation was higher in more salt tolerant Piazar than in sensitive Behta. Mycorrhization alleviated saltinduced reduction of P, Ca, and K uptake. Ca/Na and K/Na ratios were also better in +AMF. However, growth improvement by AMF was independent from plant P nutrition under high salinity. Mycorrhization improved the net assimilation rates through both elevating stomatal conductance and protecting photochemical processes of PSII against salinity. Higher activity of ROS scavenging enzymes was concomitant with lowering of H2O2, less lipid peroxidation, and higher proline in +AMF. Cultivar differences in growth responses to salinity and mycorrhization could be well explained by differences in ion balance, photochemistry, and gas exchange of leaves. Function of antioxidant defenses seemed responsible for different AMF-responsiveness of cultivars under salinity. In conclusion, AMF may protect plants against salinity by alleviating the saltinduced oxidative stress.
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7Enzymes
8Fundamental and applied biological sciences. Psychology
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23Soil inoculation
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26Soil Science & Conservation
27Soil-plant relationships. Soil fertility
28Soil-plant relationships. Soil fertility. Fertilization. Amendments
29Symbiosis (nodules, symbiotic nitrogen fixation, mycorrhiza...)
30Tomatoes
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titleColonization with arbuscular mycorrhizal fungi improves salinity tolerance of tomato (Solanum lycopersicum L.) plants
authorHajiboland, Roghieh ; Aliasgharzadeh, Naser ; Laiegh, Shirin Farsad ; Poschenrieder, Charlotte
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abstractThe purpose of this study was to investigate the mechanisms underlying alleviation of salt stress by mycorrhization. Solanum lycopersicum L. cultivars Behta and Piazar with different salinity tolerance were cultivated in soil without salt (EC= 0.63 dSm-1), with low (EC=5 dSm-1), or high (EC= 10 dSm-1) salinity. Plants inoculated with the arbuscular mycorrhizal fungi Glomus intraradices (+AMF) were compared to non-inoculated plants (-AMF). Under salinity, AMF-mediated growth stimulation was higher in more salt tolerant Piazar than in sensitive Behta. Mycorrhization alleviated saltinduced reduction of P, Ca, and K uptake. Ca/Na and K/Na ratios were also better in +AMF. However, growth improvement by AMF was independent from plant P nutrition under high salinity. Mycorrhization improved the net assimilation rates through both elevating stomatal conductance and protecting photochemical processes of PSII against salinity. Higher activity of ROS scavenging enzymes was concomitant with lowering of H2O2, less lipid peroxidation, and higher proline in +AMF. Cultivar differences in growth responses to salinity and mycorrhization could be well explained by differences in ion balance, photochemistry, and gas exchange of leaves. Function of antioxidant defenses seemed responsible for different AMF-responsiveness of cultivars under salinity. In conclusion, AMF may protect plants against salinity by alleviating the saltinduced oxidative stress.
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doi10.1007/s11104-009-0255-z