Efeito do potássio em plantas jovens de Bambusa vulgaris Schared ex Wendland cultivadas em sistema hidropônico
Autor(a) principal: | |
---|---|
Data de Publicação: | 2008 |
Tipo de documento: | Dissertação |
Idioma: | por |
Título da fonte: | Biblioteca Digital de Teses e Dissertações da UFRPE |
Texto Completo: | http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/4840 |
Resumo: | Bamboo is a quite promising crop in Brazil. It is employed for diverse purposes, from simple craftwork to high-resistance paper and energy production. However, literature in Brazil on fertilizing this crop is scarce. Among the essential elements for the plant, potassium is responsible for the activation of more than 60 enzymes. A lack of potassium causes a substantial imbalance in vegetal development. The aim of the present study was to assess the responses of bamboo to different levels of potassium and obtain data for estimating a recommendation formula for the rational fertilization of bamboo crops. The experiment was conducted in a greenhouse at the Chemistry Department of the Universidade Federal Rural de Pernambuco (Brazil) in a randomized block design, with six replications and six doses of potassium: zero, 0.5, 1.0, 2.0, 5.0 and 10.0 mmol.L-1. Bamboo plants were cultivated for 90 days in pots, employing a hydroponic system with static aeration. Growth variables and organic solute contents were assessed. The addition of potassium led to an increase in plant height, tiller and sprouts, and shoots biomass and the allocation of biomass in the roots; a reduction in both fresh and dry biomass of the leaves, stalk and roots, the allocation of biomass in the leaves and stalk, and in growth rates comparing to the treatments with 0.0 and 10.0 mmol.L-1 of potassium. Regarding to solute content, bamboo plants had different answer to potassium treatments. Chlorophyll a, b and total chlorophyll, there was a reduction proportionate to the increase in potassium content in the nutritive solution. The chlorophyll a/chlorophyll b ratio changed from 0.98 to 1.42. The increase in organic solutes was proportional to the potassium content in the nutrient solution. The 5.0 and 10.0 mmol.L-1 potassium treatments provided the highest increases in total soluble carbohydrates, reducing sugars, nonreducing sugars, total free amino acids, soluble proteins and free proline. The best potassium content in the nutritive medium for hydroponic cultivation is between 0.5and 1.0 mmol.L-1, where as 10.0 mmol.L-1 is considered a stressing dose. |
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BEZERRA NETO, EgídioBARRETO, Levy PaesNOGUEIRA, Rejane Jurema Mansur CustódioCORTEZ, Jarcilene AlmeidaSANTOS, Mauro Guida dosPASSOS, Marco Antônio Amaralhttp://lattes.cnpq.br/0606274935716130RIBEIRO, Juliana de Santana2016-06-21T13:10:04Z2008-02-11RIBEIRO, Juliana de Santana. Efeito do potássio em plantas jovens de Bambusa vulgaris Schared ex Wendland cultivadas em sistema hidropônico. 2008. 54 f. Dissertação (Programa de Pós-Graduação em Botânica) - Universidade Federal Rural de Pernambuco, Recife.http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/4840Bamboo is a quite promising crop in Brazil. It is employed for diverse purposes, from simple craftwork to high-resistance paper and energy production. However, literature in Brazil on fertilizing this crop is scarce. Among the essential elements for the plant, potassium is responsible for the activation of more than 60 enzymes. A lack of potassium causes a substantial imbalance in vegetal development. The aim of the present study was to assess the responses of bamboo to different levels of potassium and obtain data for estimating a recommendation formula for the rational fertilization of bamboo crops. The experiment was conducted in a greenhouse at the Chemistry Department of the Universidade Federal Rural de Pernambuco (Brazil) in a randomized block design, with six replications and six doses of potassium: zero, 0.5, 1.0, 2.0, 5.0 and 10.0 mmol.L-1. Bamboo plants were cultivated for 90 days in pots, employing a hydroponic system with static aeration. Growth variables and organic solute contents were assessed. The addition of potassium led to an increase in plant height, tiller and sprouts, and shoots biomass and the allocation of biomass in the roots; a reduction in both fresh and dry biomass of the leaves, stalk and roots, the allocation of biomass in the leaves and stalk, and in growth rates comparing to the treatments with 0.0 and 10.0 mmol.L-1 of potassium. Regarding to solute content, bamboo plants had different answer to potassium treatments. Chlorophyll a, b and total chlorophyll, there was a reduction proportionate to the increase in potassium content in the nutritive solution. The chlorophyll a/chlorophyll b ratio changed from 0.98 to 1.42. The increase in organic solutes was proportional to the potassium content in the nutrient solution. The 5.0 and 10.0 mmol.L-1 potassium treatments provided the highest increases in total soluble carbohydrates, reducing sugars, nonreducing sugars, total free amino acids, soluble proteins and free proline. The best potassium content in the nutritive medium for hydroponic cultivation is between 0.5and 1.0 mmol.L-1, where as 10.0 mmol.L-1 is considered a stressing dose.O bambu é uma cultura bastante promissora no Brasil, a qual está sendo empregada para diversos fins, desde simples artesanato até a produção de papel de alta resistência e produção de energia. Porém ainda é escassa a literatura no Brasil sobre a adubação desta cultura. Dentre os elementos essenciais para o vegetal, o potássio é responsável pela ativação de mais de 60 enzimas e sua falta provoca um substancial desequilíbrio no desenvolvimento vegetal. O objetivo deste trabalho foi avaliar as respostas da cultura do bambu a doses de potássio, bem como obter subsídios para estimar uma fórmula de recomendação para uma adubação racional da cultura do bambu. O experimento foi conduzido na casa de vegetação do Departamento de Química da UFRPE, em delineamento de blocos ao acaso, com 6 repetições e 6 doses de potássio, a saber: zero, 0,5, 1,0, 2,0, 5,0 e 10,0 mmol.L-1. Plantas de bambu foram cultivadas por 90 dias em vasos empregando-se o sistema de hidroponia por aeração estática. Avaliou-se variáveis de crescimento e teores de solutos orgânicos. A adição de potássio provocou aumento na altura das plantas, no número de folhas, perfilhos e brotos e na alocação de biomassa nas raízes; redução na biomassa fresca e seca de folhas, colmo e raízes, alocação de biomassa nas folhas e colmo, e nas taxas de crescimento quando comparados os tratamentos 0,0 e 10,0 mmol.L-1 de potássio. As plantas de bambu responderam de forma diferenciada aos tratamentos aplicados quando relacionado os teores dos solutos analisados. Para os teores de clorofila a, b e total houve uma redução proporcionalmente ao aumento no teor de potássio na solução nutritiva. A relação clorofila a:clorofila b oscilou entre 0,98 e 1,42. O aumento nos solutos orgânicos analisados foi proporcional ao teor de potássio no meio de cultivo. Os tratamentos 5,0 e 10,0 mmol.L-1 de potássio proporcionaram os maiores incrementos nos teores de carboidratos solúveis totais, açúcares redutores, açúcares não-redutores, aminoácidos livres totais, proteínas solúveis e prolina livre. O teor de potássio no meio nutritivo, mais adequado para o cultivo hidropônico fica na faixa de 0,5 e 1,0mmol.L-1, enquanto que 10,0 mmol.L-1 é considerada uma dose estressante.Submitted by (edna.saturno@ufrpe.br) on 2016-06-21T13:10:04Z No. of bitstreams: 1 Juliana de Santana Ribeiro.pdf: 950223 bytes, checksum: 57e807982bb7047332843fb4e28ff0ab (MD5)Made available in DSpace on 2016-06-21T13:10:04Z (GMT). No. of bitstreams: 1 Juliana de Santana Ribeiro.pdf: 950223 bytes, checksum: 57e807982bb7047332843fb4e28ff0ab (MD5) Previous issue date: 2008-02-11Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPESapplication/pdfporUniversidade Federal Rural de PernambucoPrograma de Pós-Graduação em BotânicaUFRPEBrasilDepartamento de BiologiaBambuNutrição mineralHidroponiaPotássioCrescimentoSoluto orgânicoMineral nutrientBambooPotassiumHydroponicsGrowthOrganic solutesCIENCIAS BIOLOGICAS::BOTANICAEfeito do potássio em plantas jovens de Bambusa vulgaris Schared ex Wendland cultivadas em sistema hidropônicoEffect of the potassium on young plants of Bambusa vulgaris Schared ex Wendland cultivated in a hydroponic systeminfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesis-8877188098239082220600600600600-2696744535589096700-34061478924143075012075167498588264571info:eu-repo/semantics/openAccessreponame:Biblioteca Digital de Teses e Dissertações da UFRPEinstname:Universidade Federal Rural de Pernambuco (UFRPE)instacron:UFRPELICENSElicense.txtlicense.txttext/plain; charset=utf-82165http://www.tede2.ufrpe.br:8080/tede2/bitstream/tede2/4840/1/license.txtbd3efa91386c1718a7f26a329fdcb468MD51ORIGINALJuliana de Santana Ribeiro.pdfJuliana de Santana Ribeiro.pdfapplication/pdf950223http://www.tede2.ufrpe.br:8080/tede2/bitstream/tede2/4840/2/Juliana+de+Santana+Ribeiro.pdf57e807982bb7047332843fb4e28ff0abMD52tede2/48402016-07-27 13:16:28.782oai:tede2: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Biblioteca Digital de Teses e Dissertaçõeshttp://www.tede2.ufrpe.br:8080/tede/PUBhttp://www.tede2.ufrpe.br:8080/oai/requestbdtd@ufrpe.br ||bdtd@ufrpe.bropendoar:2016-07-27T16:16:28Biblioteca Digital de Teses e Dissertações da UFRPE - Universidade Federal Rural de Pernambuco (UFRPE)false |
dc.title.por.fl_str_mv |
Efeito do potássio em plantas jovens de Bambusa vulgaris Schared ex Wendland cultivadas em sistema hidropônico |
dc.title.alternative.eng.fl_str_mv |
Effect of the potassium on young plants of Bambusa vulgaris Schared ex Wendland cultivated in a hydroponic system |
title |
Efeito do potássio em plantas jovens de Bambusa vulgaris Schared ex Wendland cultivadas em sistema hidropônico |
spellingShingle |
Efeito do potássio em plantas jovens de Bambusa vulgaris Schared ex Wendland cultivadas em sistema hidropônico RIBEIRO, Juliana de Santana Bambu Nutrição mineral Hidroponia Potássio Crescimento Soluto orgânico Mineral nutrient Bamboo Potassium Hydroponics Growth Organic solutes CIENCIAS BIOLOGICAS::BOTANICA |
title_short |
Efeito do potássio em plantas jovens de Bambusa vulgaris Schared ex Wendland cultivadas em sistema hidropônico |
title_full |
Efeito do potássio em plantas jovens de Bambusa vulgaris Schared ex Wendland cultivadas em sistema hidropônico |
title_fullStr |
Efeito do potássio em plantas jovens de Bambusa vulgaris Schared ex Wendland cultivadas em sistema hidropônico |
title_full_unstemmed |
Efeito do potássio em plantas jovens de Bambusa vulgaris Schared ex Wendland cultivadas em sistema hidropônico |
title_sort |
Efeito do potássio em plantas jovens de Bambusa vulgaris Schared ex Wendland cultivadas em sistema hidropônico |
author |
RIBEIRO, Juliana de Santana |
author_facet |
RIBEIRO, Juliana de Santana |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
BEZERRA NETO, Egídio |
dc.contributor.advisor-co1.fl_str_mv |
BARRETO, Levy Paes |
dc.contributor.advisor-co2.fl_str_mv |
NOGUEIRA, Rejane Jurema Mansur Custódio |
dc.contributor.referee1.fl_str_mv |
CORTEZ, Jarcilene Almeida |
dc.contributor.referee2.fl_str_mv |
SANTOS, Mauro Guida dos |
dc.contributor.referee3.fl_str_mv |
PASSOS, Marco Antônio Amaral |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/0606274935716130 |
dc.contributor.author.fl_str_mv |
RIBEIRO, Juliana de Santana |
contributor_str_mv |
BEZERRA NETO, Egídio BARRETO, Levy Paes NOGUEIRA, Rejane Jurema Mansur Custódio CORTEZ, Jarcilene Almeida SANTOS, Mauro Guida dos PASSOS, Marco Antônio Amaral |
dc.subject.por.fl_str_mv |
Bambu Nutrição mineral Hidroponia Potássio Crescimento Soluto orgânico Mineral nutrient |
topic |
Bambu Nutrição mineral Hidroponia Potássio Crescimento Soluto orgânico Mineral nutrient Bamboo Potassium Hydroponics Growth Organic solutes CIENCIAS BIOLOGICAS::BOTANICA |
dc.subject.eng.fl_str_mv |
Bamboo Potassium Hydroponics Growth Organic solutes |
dc.subject.cnpq.fl_str_mv |
CIENCIAS BIOLOGICAS::BOTANICA |
description |
Bamboo is a quite promising crop in Brazil. It is employed for diverse purposes, from simple craftwork to high-resistance paper and energy production. However, literature in Brazil on fertilizing this crop is scarce. Among the essential elements for the plant, potassium is responsible for the activation of more than 60 enzymes. A lack of potassium causes a substantial imbalance in vegetal development. The aim of the present study was to assess the responses of bamboo to different levels of potassium and obtain data for estimating a recommendation formula for the rational fertilization of bamboo crops. The experiment was conducted in a greenhouse at the Chemistry Department of the Universidade Federal Rural de Pernambuco (Brazil) in a randomized block design, with six replications and six doses of potassium: zero, 0.5, 1.0, 2.0, 5.0 and 10.0 mmol.L-1. Bamboo plants were cultivated for 90 days in pots, employing a hydroponic system with static aeration. Growth variables and organic solute contents were assessed. The addition of potassium led to an increase in plant height, tiller and sprouts, and shoots biomass and the allocation of biomass in the roots; a reduction in both fresh and dry biomass of the leaves, stalk and roots, the allocation of biomass in the leaves and stalk, and in growth rates comparing to the treatments with 0.0 and 10.0 mmol.L-1 of potassium. Regarding to solute content, bamboo plants had different answer to potassium treatments. Chlorophyll a, b and total chlorophyll, there was a reduction proportionate to the increase in potassium content in the nutritive solution. The chlorophyll a/chlorophyll b ratio changed from 0.98 to 1.42. The increase in organic solutes was proportional to the potassium content in the nutrient solution. The 5.0 and 10.0 mmol.L-1 potassium treatments provided the highest increases in total soluble carbohydrates, reducing sugars, nonreducing sugars, total free amino acids, soluble proteins and free proline. The best potassium content in the nutritive medium for hydroponic cultivation is between 0.5and 1.0 mmol.L-1, where as 10.0 mmol.L-1 is considered a stressing dose. |
publishDate |
2008 |
dc.date.issued.fl_str_mv |
2008-02-11 |
dc.date.accessioned.fl_str_mv |
2016-06-21T13:10:04Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/masterThesis |
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publishedVersion |
dc.identifier.citation.fl_str_mv |
RIBEIRO, Juliana de Santana. Efeito do potássio em plantas jovens de Bambusa vulgaris Schared ex Wendland cultivadas em sistema hidropônico. 2008. 54 f. Dissertação (Programa de Pós-Graduação em Botânica) - Universidade Federal Rural de Pernambuco, Recife. |
dc.identifier.uri.fl_str_mv |
http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/4840 |
identifier_str_mv |
RIBEIRO, Juliana de Santana. Efeito do potássio em plantas jovens de Bambusa vulgaris Schared ex Wendland cultivadas em sistema hidropônico. 2008. 54 f. Dissertação (Programa de Pós-Graduação em Botânica) - Universidade Federal Rural de Pernambuco, Recife. |
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http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/4840 |
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por |
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por |
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Universidade Federal Rural de Pernambuco |
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UFRPE |
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Departamento de Biologia |
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Universidade Federal Rural de Pernambuco |
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