Silicon reduces aluminum content in tissues and ameliorates its toxic effects on potato plant growth
ABSTRACT: Aluminum (Al) is highly toxic to plants, causing stress and inhibiting growth and silicon (Si) is considered beneficial for plants. This chemical element has a high affinity with Al. The aim of this study was to investigate the potential of Si to mitigate the toxic effects of Al on potato...
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Universidade Federal de Santa Maria
2016-03-01
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doaj-92853f8b8f9746d88031c6694e9e661f2020-11-24T22:54:18ZengUniversidade Federal de Santa MariaCiência Rural1678-45962016-03-0146350651210.1590/0103-8478cr20150585S0103-84782016000300506Silicon reduces aluminum content in tissues and ameliorates its toxic effects on potato plant growthAthos Odin Severo DornelesAline Soares PereiraLiana Verônica RossatoGessieli PossebomVictória Martini SassoKatieli BernardyRuziele de Quadros SandriFernando Teixeira NicolosoPaulo Ademar Avelar FerreiraLuciane Almeri TabaldiABSTRACT: Aluminum (Al) is highly toxic to plants, causing stress and inhibiting growth and silicon (Si) is considered beneficial for plants. This chemical element has a high affinity with Al. The aim of this study was to investigate the potential of Si to mitigate the toxic effects of Al on potato ( Solanum tuberosum L.) plants and assess whether this behavior is different among genotypes with differing degrees of sensitivity to Al. Potato plants of the genotypes SMIJ319-7 (Al-sensitive) and SMIF212-3 (Al-tolerant) were grown for fourteen days in nutrient solution (without P and pH 4.5±0.1) under exposure to combinations of Al (0 and 1.85mM) and Si (0, 0.5 and 1.0mM). After this period, shoot and roots of the two genotypes were collected to determine Al content in tissues and assess morphological parameters of root and shoot growth. Roots of both genotypes accumulated more Al than shoots and the Al-tolerant genotype accumulated more Al than the sensitive one, both in roots and in shoot. Furthermore, the presence of 0.5 and 1.0mM Si together with Al reduced the Al content in shoot in both genotypes and in roots of the Al-tolerant genotype, respectively. Si ameliorated the toxic effects of Al with regard to number of root branches and leaf number in both potato genotypes. Si has the potential to mitigate the toxic effects of Al in potato plants regardless of Al sensitivity.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782016000300506&lng=en&tlng=enSolanum tuberosumelemento benéficoelemento tóxicointeração |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Athos Odin Severo Dorneles Aline Soares Pereira Liana Verônica Rossato Gessieli Possebom Victória Martini Sasso Katieli Bernardy Ruziele de Quadros Sandri Fernando Teixeira Nicoloso Paulo Ademar Avelar Ferreira Luciane Almeri Tabaldi |
spellingShingle |
Athos Odin Severo Dorneles Aline Soares Pereira Liana Verônica Rossato Gessieli Possebom Victória Martini Sasso Katieli Bernardy Ruziele de Quadros Sandri Fernando Teixeira Nicoloso Paulo Ademar Avelar Ferreira Luciane Almeri Tabaldi Silicon reduces aluminum content in tissues and ameliorates its toxic effects on potato plant growth Ciência Rural Solanum tuberosum elemento benéfico elemento tóxico interação |
author_facet |
Athos Odin Severo Dorneles Aline Soares Pereira Liana Verônica Rossato Gessieli Possebom Victória Martini Sasso Katieli Bernardy Ruziele de Quadros Sandri Fernando Teixeira Nicoloso Paulo Ademar Avelar Ferreira Luciane Almeri Tabaldi |
author_sort |
Athos Odin Severo Dorneles |
title |
Silicon reduces aluminum content in tissues and ameliorates its toxic effects on potato plant growth |
title_short |
Silicon reduces aluminum content in tissues and ameliorates its toxic effects on potato plant growth |
title_full |
Silicon reduces aluminum content in tissues and ameliorates its toxic effects on potato plant growth |
title_fullStr |
Silicon reduces aluminum content in tissues and ameliorates its toxic effects on potato plant growth |
title_full_unstemmed |
Silicon reduces aluminum content in tissues and ameliorates its toxic effects on potato plant growth |
title_sort |
silicon reduces aluminum content in tissues and ameliorates its toxic effects on potato plant growth |
publisher |
Universidade Federal de Santa Maria |
series |
Ciência Rural |
issn |
1678-4596 |
publishDate |
2016-03-01 |
description |
ABSTRACT: Aluminum (Al) is highly toxic to plants, causing stress and inhibiting growth and silicon (Si) is considered beneficial for plants. This chemical element has a high affinity with Al. The aim of this study was to investigate the potential of Si to mitigate the toxic effects of Al on potato ( Solanum tuberosum L.) plants and assess whether this behavior is different among genotypes with differing degrees of sensitivity to Al. Potato plants of the genotypes SMIJ319-7 (Al-sensitive) and SMIF212-3 (Al-tolerant) were grown for fourteen days in nutrient solution (without P and pH 4.5±0.1) under exposure to combinations of Al (0 and 1.85mM) and Si (0, 0.5 and 1.0mM). After this period, shoot and roots of the two genotypes were collected to determine Al content in tissues and assess morphological parameters of root and shoot growth. Roots of both genotypes accumulated more Al than shoots and the Al-tolerant genotype accumulated more Al than the sensitive one, both in roots and in shoot. Furthermore, the presence of 0.5 and 1.0mM Si together with Al reduced the Al content in shoot in both genotypes and in roots of the Al-tolerant genotype, respectively. Si ameliorated the toxic effects of Al with regard to number of root branches and leaf number in both potato genotypes. Si has the potential to mitigate the toxic effects of Al in potato plants regardless of Al sensitivity. |
topic |
Solanum tuberosum elemento benéfico elemento tóxico interação |
url |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782016000300506&lng=en&tlng=en |
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