Matches in SemOpenAlex for { <https://semopenalex.org/work/W4311457572> ?p ?o ?g. }
Showing items 1 to 55 of
55
with 100 items per page.
- W4311457572 endingPage "538" @default.
- W4311457572 startingPage "533" @default.
- W4311457572 abstract "O manganês (Mn) é um micronutriente essencial para as plantas, porém, quando em excesso pode ser considerado potencialmente tóxico. Diante disso, objetivou-se avaliar o efeito de micorrizas arbusculares (MA) na promoção do crescimento de Mimosa caesalpiniifolia em um solo contaminado por Mn e utilizar a microscopia eletrônica de varredura (MEV) e espectroscopia de energia dispersiva (EDS) para investigar a capacidade de esporos de MA em acumular Mn. Para isso, em casa de vegetação, o solo foi contaminado com níveis crescentes de Mn (0, 100, 200, 400 mg kg-1). Nossos resultados mostraram que a inoculação com MA aumentou o crescimento das plantas, os teores de Mn nas raízes e diminuíram os teores de Mn na parte aérea das plantas em mais de 2800 mg kg-1. O maior percentual de colonização micorrízica (61,7%) foi observado na ausência de Mn. Também verificamos, por meio de MEV e EDS, que os esporos de MA acumulam Mn na sua superfície, o que pode ser considerado um mecanismo essencial para conferir tolerância à planta contra o excesso de Mn. Coletivamente, nosso estudo mostra que a inoculação de MA alivia o estresse de Mn e aumenta o crescimento de M. caesalpiniifolia. Palavras-chave: contaminação; estresse metálico; toxidez por Mn; colonização micorrízica; biorremediação. Manganese accumulation in arbuscular mycorrhizal fungi spores and furtherance of initial growth of Mimosa caesalpiniifolia in soil contaminated ABSTRACT: Manganese (Mn) is an essential micronutrient for plants, however, when in excess it can be considered potentially toxic. Therefore, the objective was to evaluate the effect of arbuscular mycorrhizas (AM) in promoting the growth of Mimosa caesalpiniifolia in a soil contaminated by Mn and to use scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS) to investigate the capacity of AM spores to accumulate Mn. For this, in a greenhouse, the soil was contaminated with increasing levels of Mn (0, 100, 200, 400 mg kg-1). Our results showed that inoculation with AM increased plant growth, Mn levels in roots and decreased Mn levels in shoots of plants by more than 2800 mg kg-1. The highest percentage of mycorrhizal colonization (61.7%) was observed in the absence of Mn. We also verified, through SEM and EDS, that AM spores accumulate Mn on the surface, which can be considered an essential mechanism to confer tolerance to the plant against excess Mn. Collectively, our study shows that AM inoculation alleviates Mn stress and increases the growth of M. caesalpiniifolia. Keywords: contamination; metallic stress; Mn toxicity; mycorrhizal colonization; bioremediation." @default.
- W4311457572 created "2022-12-26" @default.
- W4311457572 creator A5022326528 @default.
- W4311457572 creator A5067670243 @default.
- W4311457572 date "2022-12-14" @default.
- W4311457572 modified "2023-09-26" @default.
- W4311457572 title "ACÚMULO DE MANGANÊS EM ESPOROS DE FUNGOS MICORRÍZICOS ARBUSCULARES E FAVORECIMENTO DO CRESCIMENTO INICIAL DE Mimosa caesalpiniifolia EM SOLO CONTAMINADO" @default.
- W4311457572 doi "https://doi.org/10.31413/nativa.v10i4.14367" @default.
- W4311457572 hasPublicationYear "2022" @default.
- W4311457572 type Work @default.
- W4311457572 citedByCount "0" @default.
- W4311457572 crossrefType "journal-article" @default.
- W4311457572 hasAuthorship W4311457572A5022326528 @default.
- W4311457572 hasAuthorship W4311457572A5067670243 @default.
- W4311457572 hasBestOaLocation W43114575721 @default.
- W4311457572 hasConcept C144027150 @default.
- W4311457572 hasConcept C174618031 @default.
- W4311457572 hasConcept C178790620 @default.
- W4311457572 hasConcept C180032290 @default.
- W4311457572 hasConcept C185592680 @default.
- W4311457572 hasConcept C2781026492 @default.
- W4311457572 hasConcept C2992763725 @default.
- W4311457572 hasConcept C528890316 @default.
- W4311457572 hasConcept C59822182 @default.
- W4311457572 hasConcept C86803240 @default.
- W4311457572 hasConceptScore W4311457572C144027150 @default.
- W4311457572 hasConceptScore W4311457572C174618031 @default.
- W4311457572 hasConceptScore W4311457572C178790620 @default.
- W4311457572 hasConceptScore W4311457572C180032290 @default.
- W4311457572 hasConceptScore W4311457572C185592680 @default.
- W4311457572 hasConceptScore W4311457572C2781026492 @default.
- W4311457572 hasConceptScore W4311457572C2992763725 @default.
- W4311457572 hasConceptScore W4311457572C528890316 @default.
- W4311457572 hasConceptScore W4311457572C59822182 @default.
- W4311457572 hasConceptScore W4311457572C86803240 @default.
- W4311457572 hasIssue "4" @default.
- W4311457572 hasLocation W43114575721 @default.
- W4311457572 hasOpenAccess W4311457572 @default.
- W4311457572 hasPrimaryLocation W43114575721 @default.
- W4311457572 hasRelatedWork W1982896156 @default.
- W4311457572 hasRelatedWork W2000978740 @default.
- W4311457572 hasRelatedWork W2182248577 @default.
- W4311457572 hasRelatedWork W2199105084 @default.
- W4311457572 hasRelatedWork W2782349876 @default.
- W4311457572 hasRelatedWork W2923675561 @default.
- W4311457572 hasRelatedWork W368198040 @default.
- W4311457572 hasRelatedWork W4229703254 @default.
- W4311457572 hasRelatedWork W4252014781 @default.
- W4311457572 hasRelatedWork W4302320239 @default.
- W4311457572 hasVolume "10" @default.
- W4311457572 isParatext "false" @default.
- W4311457572 isRetracted "false" @default.
- W4311457572 workType "article" @default.