Metil jasmonato e flexões caulinares na rustificação e crescimento inicial de mudas de Cordia trichotoma
Autor(a) principal: | |
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Data de Publicação: | 2016 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Repositório Institucional da UFLA |
Texto Completo: | http://repositorio.ufla.br/jspui/handle/1/14787 |
Resumo: | The submission of seedlings to mechanical stimuli and plant growth regulator promote their hardening and can be included in the routine of nurseries, favoring the survival and initial growth in the field. The study aimed to evaluate the effects of applying methyl jasmonate and stem bending in hardening and initial growth of Cordia trichotoma seedlings. Seedlings were subjected to 20 stem bending daily for 4 weeks; 20 stem bending daily for 8 weeks; 50 μmol.L-1 of methyl jasmonate applied weekly for 4 weeks; 50 μmol.L-1 of methyl jasmonate applied weekly for 8 weeks and the control treatment. The design was a completely randomized, with five repetitions of the fourteen seedlings. Seedlings submitted to hardening treatments showed less increment in height, greater increment in stem diameter and less value for strength index. Seedlings of control treatment had greater loss of root tissue electrolytes and less potential for root regeneration. In the field, 180 days after planting, seedlings submitted to eight weeks of stem bending and eight methyl jasmonate applications showed greater increment in height and stem diameter. The results indicate that both stem bending such as methyl jasmonate application for eight weeks are effective in promoting hardening and improve the starting performance in field of Cordia trichotoma seedlings. |
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Metil jasmonato e flexões caulinares na rustificação e crescimento inicial de mudas de Cordia trichotomaMethyl jasmonate and stem bending hardening and initial growth of Cordia trichotoma seedlingsLouro-pardoTigmomorfogêneseRegulador vegetalCordia trichotomaThigmomorphogenesisPlant growth regulatorThe submission of seedlings to mechanical stimuli and plant growth regulator promote their hardening and can be included in the routine of nurseries, favoring the survival and initial growth in the field. The study aimed to evaluate the effects of applying methyl jasmonate and stem bending in hardening and initial growth of Cordia trichotoma seedlings. Seedlings were subjected to 20 stem bending daily for 4 weeks; 20 stem bending daily for 8 weeks; 50 μmol.L-1 of methyl jasmonate applied weekly for 4 weeks; 50 μmol.L-1 of methyl jasmonate applied weekly for 8 weeks and the control treatment. The design was a completely randomized, with five repetitions of the fourteen seedlings. Seedlings submitted to hardening treatments showed less increment in height, greater increment in stem diameter and less value for strength index. Seedlings of control treatment had greater loss of root tissue electrolytes and less potential for root regeneration. In the field, 180 days after planting, seedlings submitted to eight weeks of stem bending and eight methyl jasmonate applications showed greater increment in height and stem diameter. The results indicate that both stem bending such as methyl jasmonate application for eight weeks are effective in promoting hardening and improve the starting performance in field of Cordia trichotoma seedlings.A submissão de mudas a estímulos mecânicos e reguladores vegetais promove a sua rustificação, podendo ser incluídas na rotina dos viveiros, favorecendo a sobrevivência e o crescimento inicial a campo. O trabalho objetivou avaliar os efeitos da aplicação de metil jasmonato e de flexões caulinares na rustificação e no crescimento inicial de mudas de Cordia trichotoma. As mudas foram submetidas a 20 flexões diárias por 4 semanas e por 8 semanas; pulverização de 50 μmol.L-1 de metil jasmonato aplicados semanalmente por 4 semanas e por 8 semanas e um tratamento controle. O delineamento utilizado foi inteiramente ao acaso, com cinco repetições de quatorze mudas. Mudas submetidas aos tratamentos rustificativos apresentaram menor incremento em altura, maior incremento em diâmetro de coleto e menor valor para o índice de robustez. Mudas do tratamento controle tiveram maior perda de eletrólitos do tecido radicular e menor potencial de regeneração de raízes. No campo, 180 dias após o plantio, mudas submetidas a oito semanas de flexões caulinares e oito aplicações de metil jasmonato externaram maior incremento em altura e diâmetro de coleto. Os resultados indicam que tanto flexões caulinares como aplicação de metil jasmonato por oito semanas são eficientes em promover a rustificação e melhorar o desempenho inicial a campo de mudas de Cordia trichotoma.Universidade Federal de Lavras (UFLA)2016-04-192017-08-01T20:17:01Z2017-08-01T20:17:01Z2017-08-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfCADORIN, D. A. et al. Metil jasmonato e flexões caulinares na rustificação e crescimento inicial de mudas de Cordia trichotoma. CERNE, Lavras, v. 21, n. 4, p. 657-664, 2015. DOI: 10.1590/01047760201521042029.http://repositorio.ufla.br/jspui/handle/1/147872317-63420104-7760reponame:Repositório Institucional da UFLAinstname:Universidade Federal de Lavras (UFLA)instacron:UFLAporCopyright (c) 2016 CERNEAttribution 4.0 Internationalhttp://creativecommons.org/licenses/by/4.0/info:eu-repo/semantics/openAccessCadorin, Danielle AccoMalavasi, Ubirajara ControCoutinho, Pablo Wenderson RibeiroDranski, João Alexandre LopesMalavasi, Marlene de Matos2021-03-02T00:00:15Zoai:localhost:1/14787Repositório InstitucionalPUBhttp://repositorio.ufla.br/oai/requestnivaldo@ufla.br || repositorio.biblioteca@ufla.bropendoar:2021-03-02T00:00:15Repositório Institucional da UFLA - Universidade Federal de Lavras (UFLA)false |
dc.title.none.fl_str_mv |
Metil jasmonato e flexões caulinares na rustificação e crescimento inicial de mudas de Cordia trichotoma Methyl jasmonate and stem bending hardening and initial growth of Cordia trichotoma seedlings |
title |
Metil jasmonato e flexões caulinares na rustificação e crescimento inicial de mudas de Cordia trichotoma |
spellingShingle |
Metil jasmonato e flexões caulinares na rustificação e crescimento inicial de mudas de Cordia trichotoma Cadorin, Danielle Acco Louro-pardo Tigmomorfogênese Regulador vegetal Cordia trichotoma Thigmomorphogenesis Plant growth regulator |
title_short |
Metil jasmonato e flexões caulinares na rustificação e crescimento inicial de mudas de Cordia trichotoma |
title_full |
Metil jasmonato e flexões caulinares na rustificação e crescimento inicial de mudas de Cordia trichotoma |
title_fullStr |
Metil jasmonato e flexões caulinares na rustificação e crescimento inicial de mudas de Cordia trichotoma |
title_full_unstemmed |
Metil jasmonato e flexões caulinares na rustificação e crescimento inicial de mudas de Cordia trichotoma |
title_sort |
Metil jasmonato e flexões caulinares na rustificação e crescimento inicial de mudas de Cordia trichotoma |
author |
Cadorin, Danielle Acco |
author_facet |
Cadorin, Danielle Acco Malavasi, Ubirajara Contro Coutinho, Pablo Wenderson Ribeiro Dranski, João Alexandre Lopes Malavasi, Marlene de Matos |
author_role |
author |
author2 |
Malavasi, Ubirajara Contro Coutinho, Pablo Wenderson Ribeiro Dranski, João Alexandre Lopes Malavasi, Marlene de Matos |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Cadorin, Danielle Acco Malavasi, Ubirajara Contro Coutinho, Pablo Wenderson Ribeiro Dranski, João Alexandre Lopes Malavasi, Marlene de Matos |
dc.subject.por.fl_str_mv |
Louro-pardo Tigmomorfogênese Regulador vegetal Cordia trichotoma Thigmomorphogenesis Plant growth regulator |
topic |
Louro-pardo Tigmomorfogênese Regulador vegetal Cordia trichotoma Thigmomorphogenesis Plant growth regulator |
description |
The submission of seedlings to mechanical stimuli and plant growth regulator promote their hardening and can be included in the routine of nurseries, favoring the survival and initial growth in the field. The study aimed to evaluate the effects of applying methyl jasmonate and stem bending in hardening and initial growth of Cordia trichotoma seedlings. Seedlings were subjected to 20 stem bending daily for 4 weeks; 20 stem bending daily for 8 weeks; 50 μmol.L-1 of methyl jasmonate applied weekly for 4 weeks; 50 μmol.L-1 of methyl jasmonate applied weekly for 8 weeks and the control treatment. The design was a completely randomized, with five repetitions of the fourteen seedlings. Seedlings submitted to hardening treatments showed less increment in height, greater increment in stem diameter and less value for strength index. Seedlings of control treatment had greater loss of root tissue electrolytes and less potential for root regeneration. In the field, 180 days after planting, seedlings submitted to eight weeks of stem bending and eight methyl jasmonate applications showed greater increment in height and stem diameter. The results indicate that both stem bending such as methyl jasmonate application for eight weeks are effective in promoting hardening and improve the starting performance in field of Cordia trichotoma seedlings. |
publishDate |
2016 |
dc.date.none.fl_str_mv |
2016-04-19 2017-08-01T20:17:01Z 2017-08-01T20:17:01Z 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 |
CADORIN, D. A. et al. Metil jasmonato e flexões caulinares na rustificação e crescimento inicial de mudas de Cordia trichotoma. CERNE, Lavras, v. 21, n. 4, p. 657-664, 2015. DOI: 10.1590/01047760201521042029. http://repositorio.ufla.br/jspui/handle/1/14787 |
identifier_str_mv |
CADORIN, D. A. et al. Metil jasmonato e flexões caulinares na rustificação e crescimento inicial de mudas de Cordia trichotoma. CERNE, Lavras, v. 21, n. 4, p. 657-664, 2015. DOI: 10.1590/01047760201521042029. |
url |
http://repositorio.ufla.br/jspui/handle/1/14787 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.rights.driver.fl_str_mv |
Copyright (c) 2016 CERNE Attribution 4.0 International http://creativecommons.org/licenses/by/4.0/ info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Copyright (c) 2016 CERNE Attribution 4.0 International http://creativecommons.org/licenses/by/4.0/ |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Universidade Federal de Lavras (UFLA) |
publisher.none.fl_str_mv |
Universidade Federal de Lavras (UFLA) |
dc.source.none.fl_str_mv |
2317-6342 0104-7760 reponame:Repositório Institucional da UFLA instname:Universidade Federal de Lavras (UFLA) instacron:UFLA |
instname_str |
Universidade Federal de Lavras (UFLA) |
instacron_str |
UFLA |
institution |
UFLA |
reponame_str |
Repositório Institucional da UFLA |
collection |
Repositório Institucional da UFLA |
repository.name.fl_str_mv |
Repositório Institucional da UFLA - Universidade Federal de Lavras (UFLA) |
repository.mail.fl_str_mv |
nivaldo@ufla.br || repositorio.biblioteca@ufla.br |
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1815439371516510208 |