Germination, emergence and growth of Eragrostis plana Nees seedlings under the influence of Luehea extracts divaricata Martius

Detalhes bibliográficos
Autor(a) principal: Frescura, Viviane Dal-Souto
Data de Publicação: 2017
Outros Autores: Freitas, Jéssica Mena Barreto, Kuhn, Andrielle Wouters, Tedesco, Marília, da Silva, Antônio Carlos Ferreira, Perez, Naylor Bastiani, Tedesco, Solange Bosio
Tipo de documento: Artigo
Idioma: por
Título da fonte: Pesquisa Agropecuária Gaúcha (Online)
Texto Completo: http://revistapag.agricultura.rs.gov.br/ojs/index.php/revistapag/article/view/15
Resumo: Among the main problems related to the management of vegetation in the area, worth mentioning the expansion of Eragrostis plana Ness exotic species, which has a high capacity for colonization of natural fields and exclusion trend of native plant community. Some plants are able to synthesize certain secondary metabolites released into the environment and that may interfere with the life cycle of other plants. The species Luehea divaricata Martius has great potential to be used in the control of capim annoni. This study aimed to evaluate the effect of L. divaricata extracts on germination, emergence and growth of capim annoni seedlings. Two experiments were conducted: one in the greenhouse for evaluation of emergency percentage (% E), emergency velocity index (EVI), shoot length and total dry mass of plants; and another in the laboratory to assess the germination percentage (% G), germination speed index (GSI), the root system length. The treatments were: T1- distilled water; T2 - extracts of L. divaricata 40g.L-1 ; T3 - extract of L. divaricata 80g.L-1 ; T4 - extract of L. divaricata 120g.L-1 and the experimental design was completely randomized. The L. divaricata extracts decrease the emergence speed index and length of the root system and increase the length of shoot and total dry matter, not interfering in the percentage of germination, emergence percentage and germination speed index.
id SEAPDR_46994f736c3ad827475b98576a576f10
oai_identifier_str oai:ojs.revistapag.agricultura.rs.gov.br:article/15
network_acronym_str SEAPDR
network_name_str Pesquisa Agropecuária Gaúcha (Online)
repository_id_str
spelling Germination, emergence and growth of Eragrostis plana Nees seedlings under the influence of Luehea extracts divaricata MartiusGerminação, emergência e crescimento de plântulas de Eragrostis plana Ness sob efeito de extratos de Luehea divaricata MartiusCapim annoniAçoita-cavaloDry matterIVGIVECapim-annoniAçoita-cavaloMassa secaIVGIVEAmong the main problems related to the management of vegetation in the area, worth mentioning the expansion of Eragrostis plana Ness exotic species, which has a high capacity for colonization of natural fields and exclusion trend of native plant community. Some plants are able to synthesize certain secondary metabolites released into the environment and that may interfere with the life cycle of other plants. The species Luehea divaricata Martius has great potential to be used in the control of capim annoni. This study aimed to evaluate the effect of L. divaricata extracts on germination, emergence and growth of capim annoni seedlings. Two experiments were conducted: one in the greenhouse for evaluation of emergency percentage (% E), emergency velocity index (EVI), shoot length and total dry mass of plants; and another in the laboratory to assess the germination percentage (% G), germination speed index (GSI), the root system length. The treatments were: T1- distilled water; T2 - extracts of L. divaricata 40g.L-1 ; T3 - extract of L. divaricata 80g.L-1 ; T4 - extract of L. divaricata 120g.L-1 and the experimental design was completely randomized. The L. divaricata extracts decrease the emergence speed index and length of the root system and increase the length of shoot and total dry matter, not interfering in the percentage of germination, emergence percentage and germination speed index.Entre os principais problemas relacionados ao manejo da vegetação nessa região, merece destaque a expansão da gramínea exótica Eragrostis plana Ness, que apresenta elevada capacidade de colonização dos campos naturais e tendência de exclusão da comunidade vegetal nativa. Algumas plantas são capazes de sintetizar determinados metabólitos secundários, liberados no ambiente e que podem interferir no ciclo de vida de outras plantas. A espécie Luehea divaricata Martius tem grande potencial para ser utilizada no controle do capim-annoni. O presente estudo objetivou avaliar o efeito de extratos de L. divaricata sobre a germinação, a emergência e o crescimento de plântulas de capim-annoni. Foram realizados dois experimentos: um em casa de vegetação para a avaliação da porcentagem de emergência (%E), índice de velocidade de emergência (IVE), comprimento da parte aérea e massa seca total de plantas; e outro em laboratório para a avaliação da porcentagem de germinação (%G), índice de velocidade de germinação (IVG), comprimento do sistema radicular. Os tratamentos utilizados foram: T1- água destilada; T2- extrato de L. divaricata 40 g.L-1 , T3- extrato de L. divaricata 80 g.L-1 e T4- extrato de L. divaricata 120 g.L-1 e o delineamento experimental foi o inteiramente casualisado. Os extratos de L. divaricata diminuem o índice de velocidade de emergência e comprimento do sistema radicular e aumentam o comprimento da parte aérea e massa seca total, não interferindo na porcentagem de germinação, porcentagem de emergência e índice de velocidade de germinação.Departamento de Diagnóstico e Pesquisa Agropecuária. Secretaria de Agricultura, Pecuária e Desenvolvimento Rural2017-08-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttp://revistapag.agricultura.rs.gov.br/ojs/index.php/revistapag/article/view/1510.36812/pag.2017231/21-9Pesquisa Agropecuária Gaúcha; Vol 23 No 1/2 (2017): PESQ. AGROP. GAÚCHA; 1-9Pesquisa Agropecuária Gaúcha; v. 23 n. 1/2 (2017): PESQ. AGROP. GAÚCHA; 1-92595-76860104-9070reponame:Pesquisa Agropecuária Gaúcha (Online)instname:Secretaria de Agricultura, Pecuária e Desenvolvimento Rural do Rio Grande do Sulinstacron:SEAPDRporhttp://revistapag.agricultura.rs.gov.br/ojs/index.php/revistapag/article/view/15/13Frescura, Viviane Dal-Souto Freitas, Jéssica Mena Barreto Kuhn, Andrielle Wouters Tedesco, Marília da Silva, Antônio Carlos Ferreira Perez, Naylor Bastiani Tedesco, Solange Bosio info:eu-repo/semantics/openAccess2021-09-24T21:45:26Zoai:ojs.revistapag.agricultura.rs.gov.br:article/15Revistahttp://revistapag.agricultura.rs.gov.br/ojs/index.php/revistapagPUBhttp://revistapag.agricultura.rs.gov.br/ojs/index.php/revistapag/oaipag@agricultura.rs.gov.br||2595-76860104-9070opendoar:2021-09-24T21:45:26Pesquisa Agropecuária Gaúcha (Online) - Secretaria de Agricultura, Pecuária e Desenvolvimento Rural do Rio Grande do Sulfalse
dc.title.none.fl_str_mv Germination, emergence and growth of Eragrostis plana Nees seedlings under the influence of Luehea extracts divaricata Martius
Germinação, emergência e crescimento de plântulas de Eragrostis plana Ness sob efeito de extratos de Luehea divaricata Martius
title Germination, emergence and growth of Eragrostis plana Nees seedlings under the influence of Luehea extracts divaricata Martius
spellingShingle Germination, emergence and growth of Eragrostis plana Nees seedlings under the influence of Luehea extracts divaricata Martius
Frescura, Viviane Dal-Souto
Capim annoni
Açoita-cavalo
Dry matter
IVG
IVE
Capim-annoni
Açoita-cavalo
Massa seca
IVG
IVE
title_short Germination, emergence and growth of Eragrostis plana Nees seedlings under the influence of Luehea extracts divaricata Martius
title_full Germination, emergence and growth of Eragrostis plana Nees seedlings under the influence of Luehea extracts divaricata Martius
title_fullStr Germination, emergence and growth of Eragrostis plana Nees seedlings under the influence of Luehea extracts divaricata Martius
title_full_unstemmed Germination, emergence and growth of Eragrostis plana Nees seedlings under the influence of Luehea extracts divaricata Martius
title_sort Germination, emergence and growth of Eragrostis plana Nees seedlings under the influence of Luehea extracts divaricata Martius
author Frescura, Viviane Dal-Souto
author_facet Frescura, Viviane Dal-Souto
Freitas, Jéssica Mena Barreto
Kuhn, Andrielle Wouters
Tedesco, Marília
da Silva, Antônio Carlos Ferreira
Perez, Naylor Bastiani
Tedesco, Solange Bosio
author_role author
author2 Freitas, Jéssica Mena Barreto
Kuhn, Andrielle Wouters
Tedesco, Marília
da Silva, Antônio Carlos Ferreira
Perez, Naylor Bastiani
Tedesco, Solange Bosio
author2_role author
author
author
author
author
author
dc.contributor.author.fl_str_mv Frescura, Viviane Dal-Souto
Freitas, Jéssica Mena Barreto
Kuhn, Andrielle Wouters
Tedesco, Marília
da Silva, Antônio Carlos Ferreira
Perez, Naylor Bastiani
Tedesco, Solange Bosio
dc.subject.por.fl_str_mv Capim annoni
Açoita-cavalo
Dry matter
IVG
IVE
Capim-annoni
Açoita-cavalo
Massa seca
IVG
IVE
topic Capim annoni
Açoita-cavalo
Dry matter
IVG
IVE
Capim-annoni
Açoita-cavalo
Massa seca
IVG
IVE
description Among the main problems related to the management of vegetation in the area, worth mentioning the expansion of Eragrostis plana Ness exotic species, which has a high capacity for colonization of natural fields and exclusion trend of native plant community. Some plants are able to synthesize certain secondary metabolites released into the environment and that may interfere with the life cycle of other plants. The species Luehea divaricata Martius has great potential to be used in the control of capim annoni. This study aimed to evaluate the effect of L. divaricata extracts on germination, emergence and growth of capim annoni seedlings. Two experiments were conducted: one in the greenhouse for evaluation of emergency percentage (% E), emergency velocity index (EVI), shoot length and total dry mass of plants; and another in the laboratory to assess the germination percentage (% G), germination speed index (GSI), the root system length. The treatments were: T1- distilled water; T2 - extracts of L. divaricata 40g.L-1 ; T3 - extract of L. divaricata 80g.L-1 ; T4 - extract of L. divaricata 120g.L-1 and the experimental design was completely randomized. The L. divaricata extracts decrease the emergence speed index and length of the root system and increase the length of shoot and total dry matter, not interfering in the percentage of germination, emergence percentage and germination speed index.
publishDate 2017
dc.date.none.fl_str_mv 2017-08-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://revistapag.agricultura.rs.gov.br/ojs/index.php/revistapag/article/view/15
10.36812/pag.2017231/21-9
url http://revistapag.agricultura.rs.gov.br/ojs/index.php/revistapag/article/view/15
identifier_str_mv 10.36812/pag.2017231/21-9
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv http://revistapag.agricultura.rs.gov.br/ojs/index.php/revistapag/article/view/15/13
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Departamento de Diagnóstico e Pesquisa Agropecuária. Secretaria de Agricultura, Pecuária e Desenvolvimento Rural
publisher.none.fl_str_mv Departamento de Diagnóstico e Pesquisa Agropecuária. Secretaria de Agricultura, Pecuária e Desenvolvimento Rural
dc.source.none.fl_str_mv Pesquisa Agropecuária Gaúcha; Vol 23 No 1/2 (2017): PESQ. AGROP. GAÚCHA; 1-9
Pesquisa Agropecuária Gaúcha; v. 23 n. 1/2 (2017): PESQ. AGROP. GAÚCHA; 1-9
2595-7686
0104-9070
reponame:Pesquisa Agropecuária Gaúcha (Online)
instname:Secretaria de Agricultura, Pecuária e Desenvolvimento Rural do Rio Grande do Sul
instacron:SEAPDR
instname_str Secretaria de Agricultura, Pecuária e Desenvolvimento Rural do Rio Grande do Sul
instacron_str SEAPDR
institution SEAPDR
reponame_str Pesquisa Agropecuária Gaúcha (Online)
collection Pesquisa Agropecuária Gaúcha (Online)
repository.name.fl_str_mv Pesquisa Agropecuária Gaúcha (Online) - Secretaria de Agricultura, Pecuária e Desenvolvimento Rural do Rio Grande do Sul
repository.mail.fl_str_mv pag@agricultura.rs.gov.br||
_version_ 1797068776055767040

Registros relacionados