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Registro Completo |
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Biblioteca(s): |
Embrapa Semiárido. |
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Data corrente: |
14/07/2023 |
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Data da última atualização: |
14/07/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
SILVA, A. M. M.; JONES, D. L.; CHADWICK, D. R.; QI, X.; COTTA, S. R.; ARAÚJO, V. L. V. P.; MATTEOLI, F. P.; LACERDA-JÚNIOR, G. V.; PEREIRA, A. P. A.; FERNANDES JUNIOR, P. I.; CARDOSO, E. J. B. N. |
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Afiliação: |
ANTONIO M. M. SILVA, ESALQ; DAVEY L. JONES, School of Natural Sciences, Bangor University, United Kingdom; DAVE R. CHADWICK, School of Natural Sciences, Bangor University, Bangor, United Kingdom; XUE QI, School of Natural Sciences, Bangor University, United Kingdom; SIMONE R. COTTA, USP/CENA; VICTOR L. V. P. ARAÚJO, ESALQ; FILIPE P. MATTEOLI, Laboratory of Microbial Bioinformatics, Department of Biological Sciences, Faculty of Sciences, São Paulo State University, Bauru; GILENO V. LACERDA JÚNIOR; ARTHUR P. A. PEREIRA, Federal University of Ceará, Fortaleza, CE; PAULO IVAN FERNANDES JUNIOR, CPATSA; ELKE J. B. N. CARDOSO, ESALQ. |
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Título: |
Can arbuscular mycorrhizal fungi and rhizobacteria facilitate P33 uptake in maize plants under water stress? |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
Microbiological Research, v. 271, 127350, 2023. |
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DOI: |
https://doi.org/10.1016/j.micres.2023.127350 |
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Idioma: |
Inglês |
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Conteúdo: |
Arbuscular mycorrhizal fungi (AMF) and plant growth-promoting rhizobacteria (PGPR) are able to provide key ecosystem services, protecting plants against biotic and abiotic stresses. Here, we hypothesized that a combination of AMF (Rhizophagus clarus) and PGPR (Bacillus sp.) could enhance 33P uptake in maize plants under soil water stress. A microcosm experiment using mesh exclusion and a radiolabeled phosphorus tracer (33P) was installed using three types of inoculation: i) only AMF, ii) only PGPR, and iii) a consortium of AMF and PGPR, alongside a control treatment without inoculation. For all treatments, a gradient of three water-holding capacities (WHC) was considered i) 30% (severe drought), ii) 50% (moderate drought), and iii) 80% (optimal condition, no water stress). In severe drought conditions, AMF root colonization of dual-inoculated plants was significantly lower compared to individual inoculation of the AMF, whilst 33P uptake by dual-inoculated plants or plants inoculated with bacteria was 2.4-fold greater than the uninoculated treatment. Under moderate drought conditions the use of AMF promoted the highest 33P uptake by plants, increasing it by 2.1-fold, when compared to the uninoculated treatment. Without drought stress, AMF showed the lowest 33P uptake and, overall, plant P acquisition was lower for all inoculation types when compared to the severe and moderate drought treatments. The total shoot P content was modulated by the water-holding capacity and inoculation type, with the lowest values observed under severe drought and the highest values under moderate drought. The highest soil electrical conductivity (EC) values were found under severe drought in AMF-inoculated plants and the lowest EC for no drought in single or dual-inoculated plants. Furthermore, water-holding capacity influenced the total soil bacterial and mycorrhizal abundance over time, with the highest abundances being found under severe and moderate drought. This study demonstrates that the positive influence of microbial inoculation on 33P uptake by plants varied with soil water gradient. Furthermore, under severe stress conditions, AMF invested more in the production of hyphae, vesicles and spore production, indicating a significant carbon drain from the host plant as evidenced by the lack of translation of increased 33P uptake into biomass. Therefore, under severe drought the use of bacteria or dual-inoculation seems to be more effective than individual AMF inoculation in terms of 33P uptake by plants, while under moderate drought, the use of AMF stood out. MenosArbuscular mycorrhizal fungi (AMF) and plant growth-promoting rhizobacteria (PGPR) are able to provide key ecosystem services, protecting plants against biotic and abiotic stresses. Here, we hypothesized that a combination of AMF (Rhizophagus clarus) and PGPR (Bacillus sp.) could enhance 33P uptake in maize plants under soil water stress. A microcosm experiment using mesh exclusion and a radiolabeled phosphorus tracer (33P) was installed using three types of inoculation: i) only AMF, ii) only PGPR, and iii) a consortium of AMF and PGPR, alongside a control treatment without inoculation. For all treatments, a gradient of three water-holding capacities (WHC) was considered i) 30% (severe drought), ii) 50% (moderate drought), and iii) 80% (optimal condition, no water stress). In severe drought conditions, AMF root colonization of dual-inoculated plants was significantly lower compared to individual inoculation of the AMF, whilst 33P uptake by dual-inoculated plants or plants inoculated with bacteria was 2.4-fold greater than the uninoculated treatment. Under moderate drought conditions the use of AMF promoted the highest 33P uptake by plants, increasing it by 2.1-fold, when compared to the uninoculated treatment. Without drought stress, AMF showed the lowest 33P uptake and, overall, plant P acquisition was lower for all inoculation types when compared to the severe and moderate drought treatments. The total shoot P content was modulated by the water-holding capacity and inocula... Mostrar Tudo |
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Palavras-Chave: |
Arbuscular mycorrhizal fungi; Crescimento vegetal; Estresse hídrico; Falta de água; Fungos micorrízicos arbusculares; Micróbios que vivem no solo; Nutrição de fosfato; Rastreador de isótopos; Simbiose vegetal. |
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Thesagro: |
Microbiologia; Microbiologia do Solo; Milho. |
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Thesaurus Nal: |
Microbiology; Water shortages. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1154944/1/Can-arbuscular-mycorrhizal-fungi-and-rhizobacteria-facilitate-2023.pdf
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Marc: |
LEADER 03892naa a2200421 a 4500
001 2154944
005 2023-07-14
008 2023 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.micres.2023.127350$2DOI
100 1 $aSILVA, A. M. M.
245 $aCan arbuscular mycorrhizal fungi and rhizobacteria facilitate P33 uptake in maize plants under water stress?$h[electronic resource]
260 $c2023
520 $aArbuscular mycorrhizal fungi (AMF) and plant growth-promoting rhizobacteria (PGPR) are able to provide key ecosystem services, protecting plants against biotic and abiotic stresses. Here, we hypothesized that a combination of AMF (Rhizophagus clarus) and PGPR (Bacillus sp.) could enhance 33P uptake in maize plants under soil water stress. A microcosm experiment using mesh exclusion and a radiolabeled phosphorus tracer (33P) was installed using three types of inoculation: i) only AMF, ii) only PGPR, and iii) a consortium of AMF and PGPR, alongside a control treatment without inoculation. For all treatments, a gradient of three water-holding capacities (WHC) was considered i) 30% (severe drought), ii) 50% (moderate drought), and iii) 80% (optimal condition, no water stress). In severe drought conditions, AMF root colonization of dual-inoculated plants was significantly lower compared to individual inoculation of the AMF, whilst 33P uptake by dual-inoculated plants or plants inoculated with bacteria was 2.4-fold greater than the uninoculated treatment. Under moderate drought conditions the use of AMF promoted the highest 33P uptake by plants, increasing it by 2.1-fold, when compared to the uninoculated treatment. Without drought stress, AMF showed the lowest 33P uptake and, overall, plant P acquisition was lower for all inoculation types when compared to the severe and moderate drought treatments. The total shoot P content was modulated by the water-holding capacity and inoculation type, with the lowest values observed under severe drought and the highest values under moderate drought. The highest soil electrical conductivity (EC) values were found under severe drought in AMF-inoculated plants and the lowest EC for no drought in single or dual-inoculated plants. Furthermore, water-holding capacity influenced the total soil bacterial and mycorrhizal abundance over time, with the highest abundances being found under severe and moderate drought. This study demonstrates that the positive influence of microbial inoculation on 33P uptake by plants varied with soil water gradient. Furthermore, under severe stress conditions, AMF invested more in the production of hyphae, vesicles and spore production, indicating a significant carbon drain from the host plant as evidenced by the lack of translation of increased 33P uptake into biomass. Therefore, under severe drought the use of bacteria or dual-inoculation seems to be more effective than individual AMF inoculation in terms of 33P uptake by plants, while under moderate drought, the use of AMF stood out.
650 $aMicrobiology
650 $aWater shortages
650 $aMicrobiologia
650 $aMicrobiologia do Solo
650 $aMilho
653 $aArbuscular mycorrhizal fungi
653 $aCrescimento vegetal
653 $aEstresse hídrico
653 $aFalta de água
653 $aFungos micorrízicos arbusculares
653 $aMicróbios que vivem no solo
653 $aNutrição de fosfato
653 $aRastreador de isótopos
653 $aSimbiose vegetal
700 1 $aJONES, D. L.
700 1 $aCHADWICK, D. R.
700 1 $aQI, X.
700 1 $aCOTTA, S. R.
700 1 $aARAÚJO, V. L. V. P.
700 1 $aMATTEOLI, F. P.
700 1 $aLACERDA-JÚNIOR, G. V.
700 1 $aPEREIRA, A. P. A.
700 1 $aFERNANDES JUNIOR, P. I.
700 1 $aCARDOSO, E. J. B. N.
773 $tMicrobiological Research$gv. 271, 127350, 2023.
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Embrapa Semiárido (CPATSA) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Meio Ambiente. Para informações adicionais entre em contato com cnpma.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Meio Ambiente. |
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Data corrente: |
13/02/2014 |
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Data da última atualização: |
13/02/2014 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 2 |
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Autoria: |
VARGAS, V. P; CANTARELLA, H.; MARTINS, A. A; SOARES, J. R; CARMO, J. B.; ANDRADE, C. A. de. |
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Afiliação: |
VITOR PAULO VARGAS, IAC; HEITOR CANTARELLA, IAC; ACACIO AGOSTINHO MARTINS, IAC; JOHNNY RODRIGUES SOARES, IAC; JANAINA BRAGA DO CARMO, UFSCar; CRISTIANO ALBERTO DE ANDRADE, CNPMA. |
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Título: |
Sugarcane crop residue increases N2O and CO2 emissions under high soil moisture conditions. |
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Ano de publicação: |
2014 |
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Fonte/Imprenta: |
Sugar Tech, New Delhi, v. 16, n. 2, p. 174?179, 2014. |
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Idioma: |
Inglês |
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Conteúdo: |
Sugarcane crop residues from green cane harvests may affect the greenhouse gas fluxes from the soils. Therefore, it is important to understand how changes in soil moisture covered with cane trash alter the N2O and CO2 emission. The aim of this study was to evaluate N2O and CO2 emission from repacked soil columns incubated with (16 Mg ha-1) or without crop residues and N fertilizer (0 or 2.1 g N m-2), and as a function of four soil moisture levels (25, 50, 75 and 100 % of water holding capacity). For gas samplings, the columns were closed with a lid and four gas samples were taken in 20 min. The N2O fluxes increased linearly (p < 0.01) with increasing soil moisture regardless of the residue application on soil. However in the columns with trash the moisture effect, on N2O emission rates, was two-fold greater. Every 10 % increase in moisture in relation to the holding capacity resulted in losses equivalent to 790 and 1,640 Mg N m-2 for the 0 and 16 Mg ha-1 crop residue rates, respectively. In conditions of low moisture (25 and 50 %), the crop residue did not increase emissions compared to the bare soil. The CO2 emission also was linearly stimulated with increasing soil moisture, regardless of crop residue application. However, the CO2 emission rate was higher with the residue. Our study indicates that the effects of crop residue on greenhouse gas emissions are exacerbated in periods with high soil moisture. |
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Palavras-Chave: |
Cana-de-açúcar; N application; Soil columns. |
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Thesagro: |
Dióxido de carbono; Efeito estufa; Impacto ambiental; Metano; Palhada; Solo. |
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Thesaurus NAL: |
Greenhouse gases; Methane; Soil respiration; Straw; Sugarcane. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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Marc: |
LEADER 02371naa a2200349 a 4500
001 1979771
005 2014-02-13
008 2014 bl uuuu u00u1 u #d
100 1 $aVARGAS, V. P
245 $aSugarcane crop residue increases N2O and CO2 emissions under high soil moisture conditions.$h[electronic resource]
260 $c2014
520 $aSugarcane crop residues from green cane harvests may affect the greenhouse gas fluxes from the soils. Therefore, it is important to understand how changes in soil moisture covered with cane trash alter the N2O and CO2 emission. The aim of this study was to evaluate N2O and CO2 emission from repacked soil columns incubated with (16 Mg ha-1) or without crop residues and N fertilizer (0 or 2.1 g N m-2), and as a function of four soil moisture levels (25, 50, 75 and 100 % of water holding capacity). For gas samplings, the columns were closed with a lid and four gas samples were taken in 20 min. The N2O fluxes increased linearly (p < 0.01) with increasing soil moisture regardless of the residue application on soil. However in the columns with trash the moisture effect, on N2O emission rates, was two-fold greater. Every 10 % increase in moisture in relation to the holding capacity resulted in losses equivalent to 790 and 1,640 Mg N m-2 for the 0 and 16 Mg ha-1 crop residue rates, respectively. In conditions of low moisture (25 and 50 %), the crop residue did not increase emissions compared to the bare soil. The CO2 emission also was linearly stimulated with increasing soil moisture, regardless of crop residue application. However, the CO2 emission rate was higher with the residue. Our study indicates that the effects of crop residue on greenhouse gas emissions are exacerbated in periods with high soil moisture.
650 $aGreenhouse gases
650 $aMethane
650 $aSoil respiration
650 $aStraw
650 $aSugarcane
650 $aDióxido de carbono
650 $aEfeito estufa
650 $aImpacto ambiental
650 $aMetano
650 $aPalhada
650 $aSolo
653 $aCana-de-açúcar
653 $aN application
653 $aSoil columns
700 1 $aCANTARELLA, H.
700 1 $aMARTINS, A. A
700 1 $aSOARES, J. R
700 1 $aCARMO, J. B.
700 1 $aANDRADE, C. A. de
773 $tSugar Tech, New Delhi$gv. 16, n. 2, p. 174?179, 2014.
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