Alleviation of salt stress in citrus seedlings inoculated with arbuscular mycorrhizal fungi depends on the rootstock salt tolerance

Copyright © 2013 Elsevier GmbH. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Journal of plant physiology. - 1979. - 171(2014), 1 vom: 01. Jan., Seite 76-85
1. Verfasser: Navarro, Josefa M (VerfasserIn)
Weitere Verfasser: Pérez-Tornero, Olaya, Morte, Asunción
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2014
Zugriff auf das übergeordnete Werk:Journal of plant physiology
Schlagworte:Journal Article Research Support, Non-U.S. Gov't +AM AM Alemow Cleopatra mandarin DW MDA Mineral nutrition Physiological response mehr... RWC Salinity TBA TCA arbuscular mycorrhizal dry weight inoculated plants malondialdehyde non-inoculated plants relative water content thiobarbituric acid trichloroacetic acid −AM Water 059QF0KO0R Chlorophyll 1406-65-1 Sodium Chloride 451W47IQ8X
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100 1 |a Navarro, Josefa M  |e verfasserin  |4 aut 
245 1 0 |a Alleviation of salt stress in citrus seedlings inoculated with arbuscular mycorrhizal fungi depends on the rootstock salt tolerance 
264 1 |c 2014 
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500 |a Date Revised 11.03.2022 
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500 |a Citation Status MEDLINE 
520 |a Copyright © 2013 Elsevier GmbH. All rights reserved. 
520 |a Seedlings of Cleopatra mandarin (Citrus reshni Hort. ex Tan.) and Alemow (Citrus macrophylla Wester) were inoculated with a mixture of AM fungi (Rhizophagus irregularis and Funneliformis mosseae) (+AM), or left non-inoculated (-AM). From forty-five days after fungal inoculation onwards, half of +AM or -AM plants were irrigated with nutrient solution containing 50 mM NaCl. Three months later, AM significantly increased plant growth in both Cleopatra mandarin and Alemow rootstocks. Plant growth was higher in salinized +AM plants than in non-salinized -AM plants, demonstrating that AM compensates the growth limitations imposed by salinity. Whereas AM-inoculated Cleopatra mandarin seedlings had a very good response under saline treatment, inoculation in Alemow did not alleviate the negative effect of salinity. The beneficial effect of mycorrhization is unrelated with protection against the uptake of Na or Cl and the effect of AM on these ions did not explain the different response of rootstocks. This response was related with the nutritional status since our findings confirm that AM fungi can alter host responses to salinity stress, improving more the P, K, Fe and Cu plant nutrition in Cleopatra mandarin than in Alemow plants. AM inoculation under saline treatments also increased root Mg concentration but it was higher in Cleopatra mandarin than in Alemow. This could explain why AM fungus did not completely recovered chlorophyll concentrations in Alemow and consequently it had lower photosynthesis rate than control plants. AM fungi play an essential role in citrus rootstock growth and biomass production although the intensity of this response depends on the rootstock salinity tolerance 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a +AM 
650 4 |a AM 
650 4 |a Alemow 
650 4 |a Cleopatra mandarin 
650 4 |a DW 
650 4 |a MDA 
650 4 |a Mineral nutrition 
650 4 |a Physiological response 
650 4 |a RWC 
650 4 |a Salinity 
650 4 |a TBA 
650 4 |a TCA 
650 4 |a arbuscular mycorrhizal 
650 4 |a dry weight 
650 4 |a inoculated plants 
650 4 |a malondialdehyde 
650 4 |a non-inoculated plants 
650 4 |a relative water content 
650 4 |a thiobarbituric acid 
650 4 |a trichloroacetic acid 
650 4 |a −AM 
650 7 |a Water  |2 NLM 
650 7 |a 059QF0KO0R  |2 NLM 
650 7 |a Chlorophyll  |2 NLM 
650 7 |a 1406-65-1  |2 NLM 
650 7 |a Sodium Chloride  |2 NLM 
650 7 |a 451W47IQ8X  |2 NLM 
700 1 |a Pérez-Tornero, Olaya  |e verfasserin  |4 aut 
700 1 |a Morte, Asunción  |e verfasserin  |4 aut 
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773 1 8 |g volume:171  |g year:2014  |g number:1  |g day:01  |g month:01  |g pages:76-85 
856 4 0 |u http://dx.doi.org/10.1016/j.jplph.2013.06.006  |3 Volltext 
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