Earthworms and root-knot nematodes: effect on soil biological activity and tomato growth
Autor(a) principal: | |
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Data de Publicação: | 2017 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Semina. Ciências Agrárias (Online) |
Texto Completo: | https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/27706 |
Resumo: | Earthworms are a representative soil invertebrate, and their living habits are known to influence a large diversity of organisms. The objective of this study was to evaluate the ability of Amynthas spp. to change the biological attributes of soil, and its potential to reduce infection by root-knot nematodes on tomato crop. The study was conducted in the greenhouse of the Diagnostic Center Marcos Enrietti, Federal University of Paraná, Brazil. The treatments earthworms at the following densities: control (absence of earthworms), two, four, six, and eight, which were inoculated into different pots, with five replicates per group. In each pot, a single tomato plant (Solanum lycopersicum) was used, and a suspension of Meloidogyne javanica containing 3000 eggs and/or juveniles was added 14 days after seeding. During the experiment, edaphic respiration was evaluated at 96-h intervals. After 91 days, soil microbial biomass carbon (MBC), microbial soil respiration (MSR), the metabolic quotient (qCO2), dry mass of roots (DMR), dry mass of plants (DMP), and the number of root galls were determined per plant. We observed that inoculation with higher earthworm densities increased the MBC. Furthermore, the lowest earthworm density (two animals) resulted in a MBC that was 75% higher than that of the control treatment (earthworms absent). There was a positive correlation between MBC and DMP, and a negative correlation between MBC and qCO2. The DMR was not influenced by inoculation with earthworms. A linear increase in DMP was observed with earthworms; however, gall formations on the tomato root were not suppressed. |
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Semina. Ciências Agrárias (Online) |
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Earthworms and root-knot nematodes: effect on soil biological activity and tomato growthMinhocas e nematoides das galhas: efeitos na atividade biológica do solo e crescimento do tomateAmynthas sppEdaphic respirationMeloidogyne javanicaMicrobial biomass.Amynthas sppBiomassa microbianaMeloidogyne javanicaRespiração edáfica.Earthworms are a representative soil invertebrate, and their living habits are known to influence a large diversity of organisms. The objective of this study was to evaluate the ability of Amynthas spp. to change the biological attributes of soil, and its potential to reduce infection by root-knot nematodes on tomato crop. The study was conducted in the greenhouse of the Diagnostic Center Marcos Enrietti, Federal University of Paraná, Brazil. The treatments earthworms at the following densities: control (absence of earthworms), two, four, six, and eight, which were inoculated into different pots, with five replicates per group. In each pot, a single tomato plant (Solanum lycopersicum) was used, and a suspension of Meloidogyne javanica containing 3000 eggs and/or juveniles was added 14 days after seeding. During the experiment, edaphic respiration was evaluated at 96-h intervals. After 91 days, soil microbial biomass carbon (MBC), microbial soil respiration (MSR), the metabolic quotient (qCO2), dry mass of roots (DMR), dry mass of plants (DMP), and the number of root galls were determined per plant. We observed that inoculation with higher earthworm densities increased the MBC. Furthermore, the lowest earthworm density (two animals) resulted in a MBC that was 75% higher than that of the control treatment (earthworms absent). There was a positive correlation between MBC and DMP, and a negative correlation between MBC and qCO2. The DMR was not influenced by inoculation with earthworms. A linear increase in DMP was observed with earthworms; however, gall formations on the tomato root were not suppressed.As minhocas são um dos mais representativos invertebrados do solo e sabe-se que seus hábitos de vida influenciam uma grande diversidade de outros organismos. O objetivo deste estudo foi avaliar a capacidade de Amynthas spp. em alterar alguns atributos biológicos do solo e seu potencial em reduzir a infecção de nematoides formadores de galhas na cultura do tomate. O estudo foi conduzido em casa de vegetação no Centro Diagnóstico Marcos Enrietti, Universidade Federal do Paraná, Brasil. Os tratamentos foram diferentes densidades de minhocas: Controle (ausência de minhocas), dois, quatro, seis e oito indivíduos inoculados por vaso, com cinco repetições. Em cada vaso foi utilizada uma única plântula de tomate (Solanum lycopersicum), onde, aos 14 dias após a semeadura foi adicionada uma suspensão contendo 3000 ovos e/ou juvenis de Meloidogyne javanica. Durante o experimento, a respiração edáfica foi avaliada em intervalos de 96 horas. Após 91 dias, o carbono da biomassa microbiana (MBC), respiração microbiana (MSR), quociente metabólico (qCO2), massa seca das raízes (DMR), massa seca da planta (DMP) e o número de galhas por planta foram determinados. Como resultados, observou-se que a inoculação de altas densidades de minhocas aumentou o MBC. Além disso, baixas densidades de minhocas (dois indivíduos) mostraram valores de MBC 75% maiores, comparados ao tratamento controle (ausência de minhocas). Houve uma correlação positiva entre MBC e DMP, negativa entre MBC e qCO2. A DMR não foi influenciada pela inoculação de minhocas. Um aumento linear da DMP foi observado com o aumento da densidade de minhocas, sem ocorrer supressão da formação de galhas nas raízes.UEL2017-08-25info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionPesquisa em ambiente protegidoapplication/pdfhttps://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/2770610.5433/1679-0359.2017v38n4Supl1p2449Semina: Ciências Agrárias; Vol. 38 No. 4Supl1 (2017); 2449-2462Semina: Ciências Agrárias; v. 38 n. 4Supl1 (2017); 2449-24621679-03591676-546Xreponame:Semina. Ciências Agrárias (Online)instname:Universidade Estadual de Londrina (UEL)instacron:UELenghttps://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/27706/21496Copyright (c) 2017 Semina: Ciências Agráriashttp://creativecommons.org/licenses/by-nc/4.0info:eu-repo/semantics/openAccessDemetrio, Wilian CarloDionísio, Jair AlvesMaceda, Arlei2022-10-21T15:09:59Zoai:ojs.pkp.sfu.ca:article/27706Revistahttp://www.uel.br/revistas/uel/index.php/semagrariasPUBhttps://ojs.uel.br/revistas/uel/index.php/semagrarias/oaisemina.agrarias@uel.br1679-03591676-546Xopendoar:2022-10-21T15:09:59Semina. Ciências Agrárias (Online) - Universidade Estadual de Londrina (UEL)false |
dc.title.none.fl_str_mv |
Earthworms and root-knot nematodes: effect on soil biological activity and tomato growth Minhocas e nematoides das galhas: efeitos na atividade biológica do solo e crescimento do tomate |
title |
Earthworms and root-knot nematodes: effect on soil biological activity and tomato growth |
spellingShingle |
Earthworms and root-knot nematodes: effect on soil biological activity and tomato growth Demetrio, Wilian Carlo Amynthas spp Edaphic respiration Meloidogyne javanica Microbial biomass. Amynthas spp Biomassa microbiana Meloidogyne javanica Respiração edáfica. |
title_short |
Earthworms and root-knot nematodes: effect on soil biological activity and tomato growth |
title_full |
Earthworms and root-knot nematodes: effect on soil biological activity and tomato growth |
title_fullStr |
Earthworms and root-knot nematodes: effect on soil biological activity and tomato growth |
title_full_unstemmed |
Earthworms and root-knot nematodes: effect on soil biological activity and tomato growth |
title_sort |
Earthworms and root-knot nematodes: effect on soil biological activity and tomato growth |
author |
Demetrio, Wilian Carlo |
author_facet |
Demetrio, Wilian Carlo Dionísio, Jair Alves Maceda, Arlei |
author_role |
author |
author2 |
Dionísio, Jair Alves Maceda, Arlei |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Demetrio, Wilian Carlo Dionísio, Jair Alves Maceda, Arlei |
dc.subject.por.fl_str_mv |
Amynthas spp Edaphic respiration Meloidogyne javanica Microbial biomass. Amynthas spp Biomassa microbiana Meloidogyne javanica Respiração edáfica. |
topic |
Amynthas spp Edaphic respiration Meloidogyne javanica Microbial biomass. Amynthas spp Biomassa microbiana Meloidogyne javanica Respiração edáfica. |
description |
Earthworms are a representative soil invertebrate, and their living habits are known to influence a large diversity of organisms. The objective of this study was to evaluate the ability of Amynthas spp. to change the biological attributes of soil, and its potential to reduce infection by root-knot nematodes on tomato crop. The study was conducted in the greenhouse of the Diagnostic Center Marcos Enrietti, Federal University of Paraná, Brazil. The treatments earthworms at the following densities: control (absence of earthworms), two, four, six, and eight, which were inoculated into different pots, with five replicates per group. In each pot, a single tomato plant (Solanum lycopersicum) was used, and a suspension of Meloidogyne javanica containing 3000 eggs and/or juveniles was added 14 days after seeding. During the experiment, edaphic respiration was evaluated at 96-h intervals. After 91 days, soil microbial biomass carbon (MBC), microbial soil respiration (MSR), the metabolic quotient (qCO2), dry mass of roots (DMR), dry mass of plants (DMP), and the number of root galls were determined per plant. We observed that inoculation with higher earthworm densities increased the MBC. Furthermore, the lowest earthworm density (two animals) resulted in a MBC that was 75% higher than that of the control treatment (earthworms absent). There was a positive correlation between MBC and DMP, and a negative correlation between MBC and qCO2. The DMR was not influenced by inoculation with earthworms. A linear increase in DMP was observed with earthworms; however, gall formations on the tomato root were not suppressed. |
publishDate |
2017 |
dc.date.none.fl_str_mv |
2017-08-25 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Pesquisa em ambiente protegido |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/27706 10.5433/1679-0359.2017v38n4Supl1p2449 |
url |
https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/27706 |
identifier_str_mv |
10.5433/1679-0359.2017v38n4Supl1p2449 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/27706/21496 |
dc.rights.driver.fl_str_mv |
Copyright (c) 2017 Semina: Ciências Agrárias http://creativecommons.org/licenses/by-nc/4.0 info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Copyright (c) 2017 Semina: Ciências Agrárias http://creativecommons.org/licenses/by-nc/4.0 |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
UEL |
publisher.none.fl_str_mv |
UEL |
dc.source.none.fl_str_mv |
Semina: Ciências Agrárias; Vol. 38 No. 4Supl1 (2017); 2449-2462 Semina: Ciências Agrárias; v. 38 n. 4Supl1 (2017); 2449-2462 1679-0359 1676-546X reponame:Semina. Ciências Agrárias (Online) instname:Universidade Estadual de Londrina (UEL) instacron:UEL |
instname_str |
Universidade Estadual de Londrina (UEL) |
instacron_str |
UEL |
institution |
UEL |
reponame_str |
Semina. Ciências Agrárias (Online) |
collection |
Semina. Ciências Agrárias (Online) |
repository.name.fl_str_mv |
Semina. Ciências Agrárias (Online) - Universidade Estadual de Londrina (UEL) |
repository.mail.fl_str_mv |
semina.agrarias@uel.br |
_version_ |
1799306077160865792 |