Growth and quality of Microdesmia rigida (benth.) Sothers & Prance seedlings in response to potassium fertilization and watering schedule
Autor(a) principal: | |
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Data de Publicação: | 2023 |
Outros Autores: | |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Revista de Ciências Agrárias (Belém. Online) |
Texto Completo: | https://ajaes.ufra.edu.br/index.php/ajaes/article/view/3540 |
Resumo: | The research aimed to evaluate the effects of water deficiency on growth and quality of Microdesmia rigida seedlings, as well as the ability of potassium fertilization to attenuate these effects. The experiment was conducted in a shaded environment, with 50% light interception, in the Forest Nursery of UAEF/UFCG. The treatments were distributed in an entirely randomized design (DIC), consisting of a 4x4 factorial, with four levels of potassium (K) (0, 50,100 and 150 mg dm-3 K) and four irrigation shifts (ID - daily irrigation (control), and every 5 (5D), 10 (10D) and 15 days (15D)), with five repetitions and two plants per sampling unit, totaling 160 plants. Absolute growth rate (TCA), plant height, stem diameter, height/diameter ratio (HDR), plant dry mass and Dickson Quality Index (DQI) were evaluated. Except for the HDR and DQI variables, which were not affected by the imposed treatments, the other variables suffered significant effect of irrigation shift, without having a significant effect for potassium fertilization. Increase in irrigation shift negatively affected the growth and dry mass production of plants. Potassium fertilization did not mitigate the negative effects of irrigation shifts on the growth and dry mass production of M. rigida seedlings. The quality of seedlings was not affected by the potassium fertilization and irrigation shift factors. |
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Growth and quality of Microdesmia rigida (benth.) Sothers & Prance seedlings in response to potassium fertilization and watering scheduleCrescimento e qualidade de mudas de Microdesmia rigida (Benth.) Sothers & Prance em resposta à adubação potássica e ao turno de regaCaatingaWater deficitOiticicaSemiaridTree PhysiologySeedling productionCaatingaEstresse hídricoOiticicaSemiáridoFisiologia VegetalProdução de mudasThe research aimed to evaluate the effects of water deficiency on growth and quality of Microdesmia rigida seedlings, as well as the ability of potassium fertilization to attenuate these effects. The experiment was conducted in a shaded environment, with 50% light interception, in the Forest Nursery of UAEF/UFCG. The treatments were distributed in an entirely randomized design (DIC), consisting of a 4x4 factorial, with four levels of potassium (K) (0, 50,100 and 150 mg dm-3 K) and four irrigation shifts (ID - daily irrigation (control), and every 5 (5D), 10 (10D) and 15 days (15D)), with five repetitions and two plants per sampling unit, totaling 160 plants. Absolute growth rate (TCA), plant height, stem diameter, height/diameter ratio (HDR), plant dry mass and Dickson Quality Index (DQI) were evaluated. Except for the HDR and DQI variables, which were not affected by the imposed treatments, the other variables suffered significant effect of irrigation shift, without having a significant effect for potassium fertilization. Increase in irrigation shift negatively affected the growth and dry mass production of plants. Potassium fertilization did not mitigate the negative effects of irrigation shifts on the growth and dry mass production of M. rigida seedlings. The quality of seedlings was not affected by the potassium fertilization and irrigation shift factors.Esta pesquisa teve como objetivo avaliar os efeitos da deficiência hídrica nos aspectos de crescimento e qualidade das mudas de Microdesmia rigida, bem como a capacidade da adubação potássica em atenuar esses efeitos. O experimento foi realizado em ambiente telado, com 50% de interceptação luminosa, no Viveiro Florestal da UAEF/UFCG. Os tratamentos foram distribuídos em delineamento inteiramente casualizado (DIC), constando de um fatorial 4 x 4, sendo quatro níveis de potássio (K) (0, 50,100 e 150 mg dm-3 K) e quatro turnos de rega (ID - irrigação diária (controle) e a cada 5 (5D), 10 (10D) e 15 dias (15D)), com cinco repetições e duas plantas por unidade amostral, totalizando 160 plantas. Foram avaliados a Taxa de crescimento absoluto (TCA), altura das plantas, diâmetro do caule, razão altura/diâmetro (RAD), massa seca das plantas e Índice de Qualidade de Dickson (IQD). Com exceção das variáveis RAD e IQD, que não foram afetadas pelos tratamentos impostos, as demais variáveis sofreram efeito significativo do turno de rega, sem apresentar efeito significativo para a adubação potássica. Aumento no turno de rega afetou negativamente o crescimento e a produção de massa seca das plantas. A adubação potássica não atenuou os efeitos negativos dos turnos de rega sobre o crescimento e a produção de massa seca das mudas de M. rigida. A qualidade de mudas não foi afetada pelos fatores adubação potássica e turno de rega.Universidade Federal Rural da Amazônia/UFRA2023-12-15info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionWordTextoapplication/pdfhttps://ajaes.ufra.edu.br/index.php/ajaes/article/view/3540Amazonian Journal of Agricultural Sciences Journal of Agricultural and Environmental Sciences; Vol 66 (2023): RCA AJAES; 1-11Revista de Ciências Agrárias Amazonian Journal of Agricultural and Environmental Sciences; v. 66 (2023): RCA AJAES; 1-112177-87601517-591Xreponame:Revista de Ciências Agrárias (Belém. Online)instname:Universidade Federal Rural da Amazônia (UFRA)instacron:UFRAporhttps://ajaes.ufra.edu.br/index.php/ajaes/article/view/3540/1678Copyright (c) 2023 Rosilvam Ramos Sousa, Antonio Lucineudo de Oliveira Freirehttps://creativecommons.org/licenses/by-nc/4.0info:eu-repo/semantics/openAccessSousa, Rosilvam Ramosde Oliveira Freire, Antonio Lucineudo 2023-12-15T14:59:34Zoai:ojs.www.periodicos.ufra.edu.br:article/3540Revistahttps://ajaes.ufra.edu.br/index.php/ajaes/PUBhttps://ajaes.ufra.edu.br/index.php/ajaes/oaiallan.lobato@ufra.edu.br || ajaes.suporte@gmail.com2177-87601517-591Xopendoar:2023-12-15T14:59:34Revista de Ciências Agrárias (Belém. Online) - Universidade Federal Rural da Amazônia (UFRA)false |
dc.title.none.fl_str_mv |
Growth and quality of Microdesmia rigida (benth.) Sothers & Prance seedlings in response to potassium fertilization and watering schedule Crescimento e qualidade de mudas de Microdesmia rigida (Benth.) Sothers & Prance em resposta à adubação potássica e ao turno de rega |
title |
Growth and quality of Microdesmia rigida (benth.) Sothers & Prance seedlings in response to potassium fertilization and watering schedule |
spellingShingle |
Growth and quality of Microdesmia rigida (benth.) Sothers & Prance seedlings in response to potassium fertilization and watering schedule Sousa, Rosilvam Ramos Caatinga Water deficit Oiticica Semiarid Tree Physiology Seedling production Caatinga Estresse hídrico Oiticica Semiárido Fisiologia Vegetal Produção de mudas |
title_short |
Growth and quality of Microdesmia rigida (benth.) Sothers & Prance seedlings in response to potassium fertilization and watering schedule |
title_full |
Growth and quality of Microdesmia rigida (benth.) Sothers & Prance seedlings in response to potassium fertilization and watering schedule |
title_fullStr |
Growth and quality of Microdesmia rigida (benth.) Sothers & Prance seedlings in response to potassium fertilization and watering schedule |
title_full_unstemmed |
Growth and quality of Microdesmia rigida (benth.) Sothers & Prance seedlings in response to potassium fertilization and watering schedule |
title_sort |
Growth and quality of Microdesmia rigida (benth.) Sothers & Prance seedlings in response to potassium fertilization and watering schedule |
author |
Sousa, Rosilvam Ramos |
author_facet |
Sousa, Rosilvam Ramos de Oliveira Freire, Antonio Lucineudo |
author_role |
author |
author2 |
de Oliveira Freire, Antonio Lucineudo |
author2_role |
author |
dc.contributor.author.fl_str_mv |
Sousa, Rosilvam Ramos de Oliveira Freire, Antonio Lucineudo |
dc.subject.por.fl_str_mv |
Caatinga Water deficit Oiticica Semiarid Tree Physiology Seedling production Caatinga Estresse hídrico Oiticica Semiárido Fisiologia Vegetal Produção de mudas |
topic |
Caatinga Water deficit Oiticica Semiarid Tree Physiology Seedling production Caatinga Estresse hídrico Oiticica Semiárido Fisiologia Vegetal Produção de mudas |
description |
The research aimed to evaluate the effects of water deficiency on growth and quality of Microdesmia rigida seedlings, as well as the ability of potassium fertilization to attenuate these effects. The experiment was conducted in a shaded environment, with 50% light interception, in the Forest Nursery of UAEF/UFCG. The treatments were distributed in an entirely randomized design (DIC), consisting of a 4x4 factorial, with four levels of potassium (K) (0, 50,100 and 150 mg dm-3 K) and four irrigation shifts (ID - daily irrigation (control), and every 5 (5D), 10 (10D) and 15 days (15D)), with five repetitions and two plants per sampling unit, totaling 160 plants. Absolute growth rate (TCA), plant height, stem diameter, height/diameter ratio (HDR), plant dry mass and Dickson Quality Index (DQI) were evaluated. Except for the HDR and DQI variables, which were not affected by the imposed treatments, the other variables suffered significant effect of irrigation shift, without having a significant effect for potassium fertilization. Increase in irrigation shift negatively affected the growth and dry mass production of plants. Potassium fertilization did not mitigate the negative effects of irrigation shifts on the growth and dry mass production of M. rigida seedlings. The quality of seedlings was not affected by the potassium fertilization and irrigation shift factors. |
publishDate |
2023 |
dc.date.none.fl_str_mv |
2023-12-15 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Word Texto |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://ajaes.ufra.edu.br/index.php/ajaes/article/view/3540 |
url |
https://ajaes.ufra.edu.br/index.php/ajaes/article/view/3540 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
https://ajaes.ufra.edu.br/index.php/ajaes/article/view/3540/1678 |
dc.rights.driver.fl_str_mv |
Copyright (c) 2023 Rosilvam Ramos Sousa, Antonio Lucineudo de Oliveira Freire https://creativecommons.org/licenses/by-nc/4.0 info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Copyright (c) 2023 Rosilvam Ramos Sousa, Antonio Lucineudo de Oliveira Freire https://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 |
Universidade Federal Rural da Amazônia/UFRA |
publisher.none.fl_str_mv |
Universidade Federal Rural da Amazônia/UFRA |
dc.source.none.fl_str_mv |
Amazonian Journal of Agricultural Sciences Journal of Agricultural and Environmental Sciences; Vol 66 (2023): RCA AJAES; 1-11 Revista de Ciências Agrárias Amazonian Journal of Agricultural and Environmental Sciences; v. 66 (2023): RCA AJAES; 1-11 2177-8760 1517-591X reponame:Revista de Ciências Agrárias (Belém. Online) instname:Universidade Federal Rural da Amazônia (UFRA) instacron:UFRA |
instname_str |
Universidade Federal Rural da Amazônia (UFRA) |
instacron_str |
UFRA |
institution |
UFRA |
reponame_str |
Revista de Ciências Agrárias (Belém. Online) |
collection |
Revista de Ciências Agrárias (Belém. Online) |
repository.name.fl_str_mv |
Revista de Ciências Agrárias (Belém. Online) - Universidade Federal Rural da Amazônia (UFRA) |
repository.mail.fl_str_mv |
allan.lobato@ufra.edu.br || ajaes.suporte@gmail.com |
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1797231625888595968 |