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Registro Completo
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Biblioteca(s): |
Epagri-Sede. |
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Data corrente: |
21/07/2021 |
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Data da última atualização: |
21/07/2021 |
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Tipo da produção científica: |
Artigo em Anais de Congresso / Nota Técnica |
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Autoria: |
DALLA COSTA, M.; RECH, T. D.; PRIMIERI, S.; PIGOZZI, B. G.; WERNER, S. S.; STÜRMER, S. L. |
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Título: |
Inoculation with isolates of arbuscular mycorrhizal fungi inluences growth, nutrient use eiciency and gas exchange traits in micropropagated apple rootstock 'Marubakaido'. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Plant Cell, Tissue and Organ Culture, Switzerland , v. 145, p. 89-99, 2021. |
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Idioma: |
Inglês |
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Conteúdo: |
Apple rootstocks establish symbiosis with arbuscular mycorrhizal fungi (AMF), however the influence of fungal isolates on nutritional and physiological parameters are limited. The aim of this work was to evaluate the growth, nutrient uptake and use efficiency, and gas exchange of apple micropropagated rootstock ?Marubakaido? inoculated with four isolates of AMF with differing levels of phosphorus (P). We grew plantlets in a non-sterilized soil inoculated with AMF isolates Acaulospora colombiana SCT115A, A. morrowiae SCT400B, Claroideoglomus etunicatum SCT101A, and Gigaspora albida SCT200A, plus a non-inoculated treatment at three levels of P (0%, 50% e 100%). After 90 days of AMF inoculation, internal CO2 concentration (ci), transpiration rate (E), stomatal conductance (gs) and photosynthetic rate (A) were evaluated and after 315 days, total dry biomass, macro and micronutrient contents and mycorrhizal colonization were determined. AMF inoculation, regardless of P levels, decreased ci, E and gs, and increased the intrinsic water use efficiency (A/gs) and water use efficiency (A/E). The total biomass results differed among the AMF isolates, where G. albida stood out increasing apple rootstock growth in all levels of P. Gigaspora albida also increased the relative accumulation of N, K, Ca, Mg, Cu and B and had lower mycorrhizal colonization rates. Nutrient use efficiency was higher in plants inoculated with G. albida compared to control plants. In conclusion, although the AMF isolates demonstrated positive results depending on the soil P concentration, we found evidence that G. albida has the potential to be used as inoculant on apple rootstock ?Marubakaido? production in nurseries to enhance tree performance. MenosApple rootstocks establish symbiosis with arbuscular mycorrhizal fungi (AMF), however the influence of fungal isolates on nutritional and physiological parameters are limited. The aim of this work was to evaluate the growth, nutrient uptake and use efficiency, and gas exchange of apple micropropagated rootstock ?Marubakaido? inoculated with four isolates of AMF with differing levels of phosphorus (P). We grew plantlets in a non-sterilized soil inoculated with AMF isolates Acaulospora colombiana SCT115A, A. morrowiae SCT400B, Claroideoglomus etunicatum SCT101A, and Gigaspora albida SCT200A, plus a non-inoculated treatment at three levels of P (0%, 50% e 100%). After 90 days of AMF inoculation, internal CO2 concentration (ci), transpiration rate (E), stomatal conductance (gs) and photosynthetic rate (A) were evaluated and after 315 days, total dry biomass, macro and micronutrient contents and mycorrhizal colonization were determined. AMF inoculation, regardless of P levels, decreased ci, E and gs, and increased the intrinsic water use efficiency (A/gs) and water use efficiency (A/E). The total biomass results differed among the AMF isolates, where G. albida stood out increasing apple rootstock growth in all levels of P. Gigaspora albida also increased the relative accumulation of N, K, Ca, Mg, Cu and B and had lower mycorrhizal colonization rates. Nutrient use efficiency was higher in plants inoculated with G. albida compared to control plants. In conclusion, although the AMF ... Mostrar Tudo |
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Palavras-Chave: |
Apple rootstock; Leaf physiological traits; Phosphorus; Phosphorus fertilization; Symbiosis. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 02549naa a2200241 a 4500
001 1131040
005 2021-07-21
008 2021 bl uuuu u00u1 u #d
100 1 $aDALLA COSTA, M.
245 $aInoculation with isolates of arbuscular mycorrhizal fungi inluences growth, nutrient use eiciency and gas exchange traits in micropropagated apple rootstock 'Marubakaido'.$h[electronic resource]
260 $c2021
520 $aApple rootstocks establish symbiosis with arbuscular mycorrhizal fungi (AMF), however the influence of fungal isolates on nutritional and physiological parameters are limited. The aim of this work was to evaluate the growth, nutrient uptake and use efficiency, and gas exchange of apple micropropagated rootstock ?Marubakaido? inoculated with four isolates of AMF with differing levels of phosphorus (P). We grew plantlets in a non-sterilized soil inoculated with AMF isolates Acaulospora colombiana SCT115A, A. morrowiae SCT400B, Claroideoglomus etunicatum SCT101A, and Gigaspora albida SCT200A, plus a non-inoculated treatment at three levels of P (0%, 50% e 100%). After 90 days of AMF inoculation, internal CO2 concentration (ci), transpiration rate (E), stomatal conductance (gs) and photosynthetic rate (A) were evaluated and after 315 days, total dry biomass, macro and micronutrient contents and mycorrhizal colonization were determined. AMF inoculation, regardless of P levels, decreased ci, E and gs, and increased the intrinsic water use efficiency (A/gs) and water use efficiency (A/E). The total biomass results differed among the AMF isolates, where G. albida stood out increasing apple rootstock growth in all levels of P. Gigaspora albida also increased the relative accumulation of N, K, Ca, Mg, Cu and B and had lower mycorrhizal colonization rates. Nutrient use efficiency was higher in plants inoculated with G. albida compared to control plants. In conclusion, although the AMF isolates demonstrated positive results depending on the soil P concentration, we found evidence that G. albida has the potential to be used as inoculant on apple rootstock ?Marubakaido? production in nurseries to enhance tree performance.
653 $aApple rootstock
653 $aLeaf physiological traits
653 $aPhosphorus
653 $aPhosphorus fertilization
653 $aSymbiosis
700 1 $aRECH, T. D.
700 1 $aPRIMIERI, S.
700 1 $aPIGOZZI, B. G.
700 1 $aWERNER, S. S.
700 1 $aSTÜRMER, S. L.
773 $tPlant Cell, Tissue and Organ Culture, Switzerland$gv. 145, p. 89-99, 2021.
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