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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Micropropaga??o e efeito de substratos no crescimento de mudas de pau-terra (Qualea dichotoma (Mart.) Warm.) / Micropropagation and effect of substrates on the seedlings growth of Qualea dichotoma (Mart.) Warm

Reis, Bruno Silva 22 July 2013 (has links)
Submitted by Rodrigo Martins Cruz (rodrigo.cruz@ufvjm.edu.br) on 2015-01-06T12:20:17Z No. of bitstreams: 2 bruno_silva_reis.pdf: 1050436 bytes, checksum: dec7027bded72894cf9cd4233a022296 (MD5) license_rdf: 23898 bytes, checksum: e363e809996cf46ada20da1accfcd9c7 (MD5) / Approved for entry into archive by Rodrigo Martins Cruz (rodrigo.cruz@ufvjm.edu.br) on 2015-01-06T12:21:52Z (GMT) No. of bitstreams: 2 bruno_silva_reis.pdf: 1050436 bytes, checksum: dec7027bded72894cf9cd4233a022296 (MD5) license_rdf: 23898 bytes, checksum: e363e809996cf46ada20da1accfcd9c7 (MD5) / Approved for entry into archive by Rodrigo Martins Cruz (rodrigo.cruz@ufvjm.edu.br) on 2015-01-06T12:22:07Z (GMT) No. of bitstreams: 2 bruno_silva_reis.pdf: 1050436 bytes, checksum: dec7027bded72894cf9cd4233a022296 (MD5) license_rdf: 23898 bytes, checksum: e363e809996cf46ada20da1accfcd9c7 (MD5) / Made available in DSpace on 2015-01-06T12:22:07Z (GMT). No. of bitstreams: 2 bruno_silva_reis.pdf: 1050436 bytes, checksum: dec7027bded72894cf9cd4233a022296 (MD5) license_rdf: 23898 bytes, checksum: e363e809996cf46ada20da1accfcd9c7 (MD5) Previous issue date: 2013 / Funda??o de Amparo ? Pesquisa do estado de Minas Gerais (FAPEMIG) / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior (CAPES) / Este trabalho teve como objetivo verificar a exist?ncia de diferen?as no crescimento de mudas da esp?cie Qualea dichotoma, ao longo do tempo, no ambiente casa de sombra em fun??o de diferentes substratos e desenvolver uma metodologia b?sica de micropropaga??o a partir de sementes germinadas in vitro. No cap?tulo 1, utilizaram-se as seguintes composi??es de substratos: 1) Substrato comercial Bioplant ? (BIO); 2) 70% de vermiculita de granulometria m?dia (vermiculita) + 30% de casca de arroz carbonizada (VC); 3) 70% de vermiculita + 15% de casca de arroz carbonizada + 15% de fibra de c?co (VCF); 4) 40% de vermiculita + 30% de casca de arroz carbonizada + 30 % de Bioplant? (VCB). Em cinco avalia??es (60, 90, 150, 180 e 210 dias ap?s a emerg?ncia das pl?ntulas) foram mensuradas as alturas das mudas (H-cm), em quatro avalia??es (120,150, 180 e 210 dias ap?s a emerg?ncia das pl?ntulas) foram mensurados os di?metros do coleto das mudas (DC-mm), em duas avalia??es (165 e 215 dias ap?s a emerg?ncia das pl?ntulas), foram mensurados ?rea foliar (AF-cm2), comprimento (C-cm), largura (L-cm) e per?metro (P-cm). Aos 215 dias ap?s a emerg?ncia das pl?ntulas, foram feitas as seguintes avalia??es: peso da mat?ria seca da parte a?rea (PMSPA-g), peso de mat?ria seca de ra?zes (PMSR-g), peso de mat?ria seca total (PMST-g), rela??o parte a?rea e di?metro do coleto (RHDC), rela??o altura da parte a?rea e peso de mat?ria seca da parte a?rea (RHPMSPA) e rela??o peso de mat?ria seca da parte a?rea e peso de mat?ria seca das ra?zes (RPMSPAR). Os substratos VC e VCB apresentaram os melhores resultados em altura, di?metro, per?metro, PMSR e RPMSPAR. Existe diferen?a significativa no crescimento das mudas em fun??o dos substratos, onde os substratos VCB e VC apresentaram os melhores resultados para a produ??o de mudas de Qualea dichotoma. No cap?tulo 2, frutos de pau terra (Qualea dichotoma) foram coletados em 12 matrizes. Para a desinfesta??o in vitro as sementes foram imersas nos tempos de 5, 10, 15 e 20 minutos para cada concentra??o de hipoclorito de s?dio (2,5% e 5,0%). Em seguida, inoculou-se uma semente em cada tubo de ensaio contendo 10 ml do meio de cultura MS para a germina??o in vitro. As avalia??es foram realizadas diariamente, por 25 dias, registrando-se o n?mero de sementes germinadas. Das plantas germinadas, in vitro, com aproximadamente 35 dias, foram retirados dois tipos de explantes (segmentos cotiledonares e segmentos nodais) que foram inoculados em meio de cultura WPM, suplementado com a concentra??o de 0,01 mg L-1 ANA, constituindo a fase de multiplica??o, formada pelo cultivo inicial e dois subcultivos subsequentes. Para o cultivo inicial utilizou-se segmentos cotiledonares e nodais com as concentra??es de 0,1; 0,2; 0,4 e 0,6 mg L-1 de BA. Para o subcultivo 1 e 2, o experimento foi instalado utilizando concentra??es de 0,4 e 0,6 mg L-1 de BA para os segmentos nodais, e para segmentos cotiledonares concentra??es 0,2 e 0,4 mg L-1 de BA. Aos 45 dias para o cultivo inicial avaliou-se o n?mero de brota??es por explante, altura da maior brota??o e n?mero de ra?zes emitidas. Aos 60 dias ap?s a instala??o dos experimentos subcultivos 1 e 2, avaliou-se o n?mero de brota??es por explantes e altura da maior brota??o. Para a fase de alongamento os segmentos nodais foram inoculados em meio WPM, com as concentra??es de 0,0; 0,03; 0,06 e 0,09 mg L-1 de BA, combinados com 0,3 e 0,9 mg L-1 de ANA. Aos 60 dias de alongamento avaliou-se o comprimento (cm) da maior brota??o. Os resultados obtidos indicam a desinfesta??o de sementes com 2,5% de hipoclorito de s?dio durante 15 minutos, proporcionando germina??o m?dia in vitro superior a 85%. Para a multiplica??o ? indicado explantes obtidos de segmentos nodais e a concentra??o de 0,6 mg L-1 de BA adicionada ao meio de cultura WPM. Explantes obtidos de segmentos cotiledonares s?o mais indicados para a emiss?o de ra?zes e as combina??es utilizadas de ANA e BA n?o foram eficientes para o alongamento dos explantes. / Disserta??o (Mestrado) ? Programa de P?s-Gradua??o em Ci?ncia Florestal, Universidade Federal dos Vales do Jequitinhonha e Mucuri, 2013. / ABSTRACT This study aimed to evaluate the check of differences in the growth of seedlings of the species Qualea dichotoma, over time, in the shade environment due to different substrates and develop basic methodology micropropagation from in vitro germinated seeds. In Chapter 1, we used the following substrate compositions: 1) Substrate commercial Bioplant ? (BIO), 2) 70% of average particle size of vermiculite (vermiculite) + 30% carbonized rice bark (VC), 3) 70 % vermiculite + 15% carbonized rice bark + 15% coconut fiber (VCF), 4) 40% vermiculite + 30% carbonized rice bark + 30% Bioplant ? (VCB). In five evaluations (60, 90, 150, 180 and 210 days after emergence of plantlets) were measured heights of seedlings (H-cm) in four assessments (120.150, 180 and 210 days after emergence of plantlets) were measured the diameter of the lap (DC-mm) in two evaluations (165 and 215 days after emergence of plantlets) were measured leaf area (AF-cm2), length (C-cm), width (L-cm) and perimeter (P-cm). At 215 days after emergence of plantlets, the following assessments were made: dry weight of aerial (PMSPA-g), dry weight of roots (PMSR-g), weight of total dry matter (PMST-g), ratio of the aerial and diameter of the lap (RHDC), relative aerial height and dry weight of aerial (RHPMSPA) and relative dry weight of aerial and dry weight of roots (RPMSPAR). The VC and VCB substrates showed the best results in height, diameter, circumference, and PMSR RPMSPAR. A significant difference in seedling growth in relation to substrates, where the substrates VCB and VC showed the best results for the production of seedlings Qualea dichotoma. In chapter 2, fruit ?stick earth? (Qualea dichotoma) were collected at 12 dies. Disinfestation in vitro seeds were immersed in times of 5, 10, 15 and 20 minutes for each concentration of sodium hypochlorite (2,5% and 5,0%). Then, a seed was inoculated into each test tube containing 10 ml the medium culture MS for germination in vitro. The evaluations were made daily for 25 days, recording the number of germinated seeds. Plants germinated in vitro for approximately 35 days, were taken two types of explants (cotyledon segments and nodal) were inoculated in medium culture WPM supplemented with concentration of 0,01 mg L-1 ANA, constituting the phase multiplication, formed by initial cultivation and two subsequent subcultures. For the initial culture was used cotyledon and nodal segments with concentrations of 0,1; 0,2; 0,4 and 0,6 mg L-1 BA. To subculture 1 and 2, the experiment was installed using concentrations of 0,4 and 0,6 mg L-1 BA for nodal, is for cotyledon segments concentrations 0,2 and 0,4 mg L-1 BA. At 45 days for initial cultivation evaluated the number of shoots per explant, height of largest shoot and root number. At 60 days after installation of subcultures experiments 1 and 2, we evaluated the number of shoots per explants and height of the largest shoot. For the elongation phase nodal segments were inoculated in medium culture WPM, with concentrations of 0,0; 0,03; 0,06 and 0,09 mg L-1 BA combined with 0,3 and 0,9 mg L-1 ANA. After 60 days of elongation phase evaluated the length (cm) of the largest shoot. The results indicate disinfection of seeds with 2.5% sodium hypochlorite for 15 minutes, giving an average germination in vitro than 85%. For multiplication is indicated nodal explants obtained from the concentration 0.6 mg L-1 BA added to WPM. Explants obtained from cotyledon segments are more suitable for the emission of roots and used combinations of NAA and BA were not efficient for the elongation of the explants.
2

Manejo alimentar na larvicultura de piabanha-do-Pardo brycon sp. / Feeding management in the larviculture of piabanha-do-Pardo Brycon sp.

Amaral, Marcos Vin?cius Coraspe 15 September 2011 (has links)
?rea de concentra??o: Nutri??o e Produ??o de Monog?stricos. / Submitted by Rodrigo Martins Cruz (rodrigo.cruz@ufvjm.edu.br) on 2015-12-17T13:50:48Z No. of bitstreams: 2 marcos_vinicius_coraspe_amaral.pdf: 475313 bytes, checksum: c342159473f70bee4a02057245f1b0d7 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) / Approved for entry into archive by Rodrigo Martins Cruz (rodrigo.cruz@ufvjm.edu.br) on 2015-12-17T13:51:07Z (GMT) No. of bitstreams: 2 marcos_vinicius_coraspe_amaral.pdf: 475313 bytes, checksum: c342159473f70bee4a02057245f1b0d7 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) / Made available in DSpace on 2015-12-17T13:51:07Z (GMT). No. of bitstreams: 2 marcos_vinicius_coraspe_amaral.pdf: 475313 bytes, checksum: c342159473f70bee4a02057245f1b0d7 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Previous issue date: 2011 / Por ser a alimenta??o um ponto cr?tico na larvicultura da piabanha-do-Pardo Brycon sp., foram conduzidos quatro experimentos em duas etapas na esta??o de piscicultura da usina hidrel?trica de Machado Mineiro, na cidade de ?guas Vermelhas-MG, para adequa??o do manejo alimentar dessa esp?cie nativa. Na primeira etapa avaliaram-se seis dietas: Artemia sp., pl?ncton, ra??o, ra??o + Artemia sp., ra??o + pl?ncton, larvas de Prochilodus sp. (curimba), e quatro salinidades de ?gua (0, 2, 4 e 6?), ambos experimentos com distribui??o inteiramente casualizada e dura??o de dez dias. As vari?veis avaliadas: biomassa, sobreviv?ncia, comprimento total, peso final e taxa de crescimento espec?fico foram mensurados ao final dos experimentos. J? os par?metros de qualidade de ?gua, temperatura, oxig?nio, pH e condutividade el?trica foram aferidos a cada tr?s dias. O alimento larva de curimba resultou em maior sobreviv?ncia (47,2%) e biomassa total (2,5g) do que os demais tipos, que foram similares entre si. J? os demais par?metros - peso, comprimento e a taxa de crescimento espec?fico n?o diferiram entre si, quando as larvas foram alimentadas com os diversos tipos de alimentos. As larvas submetidas ?s salinidades apresentaram melhores resultados, sendo que as cultivadas sob 2? diferiram (P<0,05) das cultivadas a 0?, apresentando maiores sobreviv?ncia (52,5 contra 6,6%) e biomassa total (0,49 contra 0,23g). Portanto, recomenda-se a utiliza??o de larvas de Prochilodus sp. (curimba) como primeiro alimento vivo e a salinidade da ?gua de 2?, caso utilize-se Artemia sp. como alimento. Na segunda etapa, ap?s a determina??o do alimento e salinidade adequados, realizaram-se mais dois experimentos, que consistiram em determinar o momento ideal de se realizar a transi??o alimentar (a partir do 3?, 5? e 7? dia de vida, com tr?s dias de coalimenta??o com larva de curimba), e avaliar n?veis de inclus?o de protease ex?gena (0, 0,02 e 0,2%) na dieta de larvas de piabanha-do-Pardo Brycon sp., ambos experimentos com distribui??o inteiramente casualizada e dura??o de quinze e dezessete dias, respectivamente. Foram avaliadas as mesmas vari?veis da primeira etapa experimental. Os diferentes per?odos de transi??o alimentar e n?veis de protease ex?gena n?o interferiram nos par?metros de qualidade da ?gua. Os animais que foram submetidos ? transi??o alimentar no 7? dia de vida apresentaram melhores resultados para comprimento (23,1 mm), peso (110,9 mg) e TCE (25,5 %), sendo similares em biomassa e sobreviv?ncia aos do 5? dia de transi??o. Portanto, a transi??o pode ser realizada no 5? dia de vida. Os n?veis de inclus?o de protease ex?gena na ra??o comercial n?o influenciaram no desempenho dos animais. Verificou-se que as vari?veis analisadas s?o importantes para otimiza??o da larvicultura, sendo de fundamental import?ncia a utiliza??o de alimento vivo na dieta de larvas de piabanha-do-Pardo Brycon sp., assim como a realiza??o da coalimenta??o. Entretanto, mais estudos s?o necess?rios sobre a utiliza??o de enzimas ex?genas na dieta desses animais. / Disserta??o (Mestrado) ? Programa de P?s-Gradua??o em Zootecnia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, 2011. / ABSTRACT Due to the feeding is a critical point in the larviculture of piabanha-do-Pardo Brycon sp. There were conducted four experiments in two stages in the fish culture station of the Machado Mineiro hydroelectric, in the Red Water city-MG, for adequacy of feeding management of native species. In the first step we evaluated six diets: Artemia sp., plankton, ration, ration + Artemia sp., ration + plankton, Prochilodus sp. Larvae (curimba) and the four water salinities (0, 2, 4 and 6?), both fully randomized experiments with distribution and duration of ten days. The evaluated variables: biomass, survival, total length, final weight and specific growth rate were measured at the end of the experiments. Since the parameters of water quality, temperature, oxygen, pH and electrical conductivity were measured every three days. The curimba larvae food resulted in higher survival (47.2%) and total biomass (2.5 g) than other types, which were similar. As for the other parameters, weight, length and specific growth rate did not differ for larvae fed with different types of food. Larvae subjected to salinity showed the best results, and those grown in 2?, differed (p<0.05) of cultivated at 0?, showing higher survival (52.5 compared with 6.6%) and total biomass (0.49 against 0.23 g). Therefore we recommend the used of larvae of Prochilodus sp. (curimba) as the first live food and water salinity 2?, if it considered to use the Artemia sp. as food. In the second step, after determining the appropriate food and salinity, there was held over two experiments. These consisted of determining the ideal time to make the dietary transition (from 3, 5 and 7 days of life, three days of feed training with curimba larvae), and assess inclusion levels of exogenous protease (0, 0, 02 and 0.2%) in the diet of the piabanha-do-Pardo Brycon sp. larvae, both fully randomized experiments with distribution of fifteen and seventeen days, respectively. There were assessed the same variables of the first experimental stage. The different transition periods and levels of dietary exogenous protease did not interfere with water quality parameters. The animals that were subjected to solid foods on the 7th day of life showed better results for length (23.1mm), weight (110.9mg) and TCE (25.5%), being similar in biomass and survival considering the 5th day of transition. Therefore, the transition can be performed on the 5th day of life. The inclusion levels of exogenous protease in the commercial diet had no effect in animal performance. It was found that the variables are important for optimizing the hatchery, showing fundamental importance the use of live food in the diet of larvae piabanha-do-Pardo Brycon sp., as well as the realization of co-feeding. However, more studies are needed on the use of exogenous enzymes in the diet of these animals.
3

Micropropaga??o de sucupira-preta (Bowdichia virgilioides Kunth.)

Moura, Luciana Coelho de January 2012 (has links)
Submitted by Rodrigo Martins Cruz (rodrigo.cruz@ufvjm.edu.br) on 2015-01-23T14:01:53Z No. of bitstreams: 5 13.pdf: 1084974 bytes, checksum: 385f250239d33b253937c1a0da7c2522 (MD5) license_url: 52 bytes, checksum: 3d480ae6c91e310daba2020f8787d6f9 (MD5) license_text: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) license_rdf: 23898 bytes, checksum: e363e809996cf46ada20da1accfcd9c7 (MD5) license.txt: 2109 bytes, checksum: aa477231e840f304454a16eb85a9235f (MD5) / Approved for entry into archive by Rodrigo Martins Cruz (rodrigo.cruz@ufvjm.edu.br) on 2015-02-10T11:17:33Z (GMT) No. of bitstreams: 5 13.pdf: 1084974 bytes, checksum: 385f250239d33b253937c1a0da7c2522 (MD5) license_url: 52 bytes, checksum: 3d480ae6c91e310daba2020f8787d6f9 (MD5) license_text: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) license_rdf: 23898 bytes, checksum: e363e809996cf46ada20da1accfcd9c7 (MD5) license.txt: 2109 bytes, checksum: aa477231e840f304454a16eb85a9235f (MD5) / Made available in DSpace on 2015-02-10T11:17:33Z (GMT). No. of bitstreams: 5 13.pdf: 1084974 bytes, checksum: 385f250239d33b253937c1a0da7c2522 (MD5) license_url: 52 bytes, checksum: 3d480ae6c91e310daba2020f8787d6f9 (MD5) license_text: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) license_rdf: 23898 bytes, checksum: e363e809996cf46ada20da1accfcd9c7 (MD5) license.txt: 2109 bytes, checksum: aa477231e840f304454a16eb85a9235f (MD5) Previous issue date: 2012 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior (CAPES) / Funda??o de Amparo ? Pesquisa do estado de Minas Gerais (FAPEMIG) / Este trabalho teve por objetivo avaliar a germina??o in vitro de sucupira-preta (Bowdichia virgilioides) e adaptar um procedimento b?sico de micropropaga??o para essa mesma esp?cie. Para a germina??o in vitro, sementes escarificadas e n?o escarificadas foram inoculadas em diferentes concentra??es e formula??es de meios de cultura suplementados com aditivos (PVP e carv?o ativado). Posteriormente, as plantas foram transferidas para tubetes e aclimatadas em casa de vegeta??o. Para a micropropaga??o, explantes foram inoculados em meio de cultura WPM, suplementado com concentra??es de BAP, constituindo a fase de multiplica??o. No alongamento, os tratamentos foram constitu?dos de combina??es de ANA e BAP adicionadas ao meio de cultura. Para a fase o enraizamento, brota??es foram inoculadas em meio contendo concentra??es de AIB ou combina??es dos aditivos (PVP e carv?o ativado) com concentra??es de ANA. Na aclimata??o, as plantas foram transplantadas para substrato e cobertas com saco de polietileno que foram, posteriormente, retirados, perfurados ou n?o-retirados, e mantidas em ambiente de laborat?rio, constituindo os tratamentos da pr?-aclimata??o. A aclimata??o em casa de vegeta??o foi realizada ap?s o per?odo de pr?-aclimata??o. A germina??o in vitro de sementes escarificadas de sucupira-preta foi alcan?ada utilizando-se os meios de cultura MS e WPM a 50% e ocorreu independentemente do tipo de aditivo utilizado. A aclimata??o de plantas germinadas in vitro ocorreu independentemente do hist?rico de aditivos ou meios de cultura utilizados. Durante a micropropaga??o da esp?cie, a multiplica??o foi alcan?ada utilizando-se segmentos cotiledonares e a concentra??o de 0,3 mg.L-1 de BAP adicionada ao meio. A combina??o de 0,3 mg.L-1 de ANA com 0,03 mg.L-1 de BAP promoveu o alongamento. A indu??o de ra?zes ocorre na aus?ncia de AIB ou em resposta ?s concentra??es de 0,5 e 2,5 mg.L-1. O carv?o ativado adicionado ao meio de cultura de enraizamento melhorou a qualidade das brota??es. A aclimata??o foi alcan?ada utilizando-se uma cobertura pl?stica entorno da planta. / Disserta??o (Mestrado) ? Programa de P?s-Gradua??o em Ci?ncia Florestal, Universidade Federal dos Vales do Jequitinhonha e Mucuri, 2012. / ABSTRACT This study aimed to evaluate the in vitro germination of sucupira-preta (Bowdichia virgilioides) and develop a basic micropropagation procedure for that species.? For in vitro germination seeds scarified or not scarified were inoculated at different concentrations and types of culture medium supplemented with two types of additives (PVP or activated charcoal). Subsequently, plants were transferred to tubes and acclimatized in the greenhouse.?For micropropagation, explants were inoculated in culture medium WPM supplemented with BAP being the multiplication phase.?For elongation, the treatments were combinations of BAP with ANA that were added to the medium of culture.?For rooting, shoots were inoculated in culture medium containing concentrations of AIB or combinations of additives (PVP or activated charcoal) with concentrations ANA.?For the period of acclimatization, the plants were transplanted and covered with polythene bags which were subsequently removed or not, and kept in closed environment, providing treatments for pre-acclimatization, and later, in a greenhouse constituting acclimatization.?The culture media MS and WPM 50% promoted in vitro germination of scarified seeds.?The germination of the species occurred regardless of the type of additive used.?The acclimatization of plants germinated in vitro occurred regardless of history or culture media additives used.?During the micropropagation, explants obtained from cotyledon segments and the concentration of 0,3 mg L-1 BAP added to culture medium promoted multiplication.?The combination of 0,3 mg.L-1 ANA with 0,03 mg.L-1 BAP promoted elongation.?The induction of roots occurred in absence of AIB or in response to concentrations of 0,5 and 2,5 mg L-1.?Charcoal activated added to the culture medium increased rooting quality of the shoots.?The plastic cover around the plant promoted acclimatization.
4

Propaga??o in vitro e controle de hiperidricidade em candeia (Eremanthus incanus (Less.) Less)

Oliveira, Rafaela Naiara de 15 March 2016 (has links)
Submitted by Jos? Henrique Henrique (jose.neves@ufvjm.edu.br) on 2016-12-19T12:44:53Z No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) rafaela_naiara_oliveira.pdf: 828917 bytes, checksum: 4fca08e2402e176f89301c9fc6e5d35b (MD5) / Approved for entry into archive by Rodrigo Martins Cruz (rodrigo.cruz@ufvjm.edu.br) on 2016-12-19T16:54:47Z (GMT) No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) rafaela_naiara_oliveira.pdf: 828917 bytes, checksum: 4fca08e2402e176f89301c9fc6e5d35b (MD5) / Made available in DSpace on 2016-12-19T16:54:47Z (GMT). No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) rafaela_naiara_oliveira.pdf: 828917 bytes, checksum: 4fca08e2402e176f89301c9fc6e5d35b (MD5) Previous issue date: 2016 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior (CAPES) / Este trabalho teve como objetivo desenvolver procedimentos de propaga??o in vitro de Eremanthus incanus e controlar a hiperidricidade em explantes durante o cultivo. Foram realizados cinco experimentos, que envolveram as etapas de germina??o, multiplica??o e alongamento. No experimento um, avaliou-se a influ?ncia dos meios de cultura MS e WPM (25, 50, 75 e 100% dos sais e vitaminas) no percentual de germina??o e na altura, n?mero de folhas e peso de mat?ria seca das pl?ntulas produzidas. Nos experimentos dois, tr?s e quatro os tratamentos consistiram de dois tipos de recipientes (tubos de ensaio e frascos de cultura) e quatro formas de veda??o (pel?cula de PVC, papel celofane, fita microporosa e tampas espec?ficas). No experimento dois, avaliou-se a influ?ncia dos recipientes e das formas de veda??es sobre o percentual de germina??o e de contamina??o, altura, n?mero de folhas e peso de mat?ria seca de pl?ntulas. No experimento tr?s, foram avaliados o n?mero de brota??es e a hiperidricidade em explantes na fase de multiplica??o, em tr?s subcultivos. J? no experimento quatro, a fase de alongamento foi avaliada em fun??o dos recipientes e formas de veda??o, em rela??o ?s vari?veis altura, hiperidricidade e peso de mat?ria seca. No experimento cinco, foram testadas quatro concentra??es de BAP e de TDZ e avaliados o n?mero de brota??es, hiperidricidade e calosidade, em dois subcultivos. No experimento um, o meio WPM75 apresentou o maior percentual de germina??o, enquanto o meio MS75 apresentou maior altura e n?mero de folhas, e o WPM100 maior peso de mat?ria seca. No experimento quatro, as combina??es tubo+fita, tubo+PVC e frasco+PVC proporcionaram os maiores percentuais de germina??o, enquanto os menores percentuais de contamina??o foram observados nos tratamentos tubo+fita e tubo+tampa. A combina??o tubo+celofane apresentou maior valor de altura e peso de mat?ria seca, e frasco+PVC maior n?mero de folhas. Observou-se no experimento tr?s, com rela??o ao n?mero de brota??es, que no subcultivo um a combina??o frasco+celofane foi superior, enquanto nos subcultivos dois e tr?s o tratamento tubo+celofane se destacou. Para a hiperidricidade, no subcultivo um, a combina??o tubo+tampa foi a que apresentou menor hiperidricidade, no subcultivo dois os tratamentos tubo+PVC e tubo+tampa se destacaram, e no subcultivo tr?s o melhor tratamento foi tubo+celofane. Na fase de alongamento (Experimento quatro), a combina??o tubo+celofane foi a que apresentou maior altura m?dia de explantes. Nos tr?s subcultivos, n?o ocorreu hiperidricidade na combina??o frasco+celofane, sendo tamb?m nessa combina??o observado o maior peso de mat?ria seca. No experimento cinco, o tratamento 0,75 mg L-1 BAP apresentou o maior n?mero de brota??es, nos dois subcultivos. Para a hiperidricidade, em ambos subcultivos, o BAP apresentou plantas com menor n?vel de hiperidricidade. Conclui-se que, na germina??o de sementes de Eremanthus incanus, o meio WPM com 75% de sais e vitaminas ? o mais indicado, enquanto para o estabelecimento da cultura o melhor ? o MS 75%. O tipo de recipiente e veda??o influenciam na multiplica??o, no alongamento e na hiperidricidade dos explantes, sendo que a combina??o do recipiente tubo de ensaio com a veda??o papel celofane transparente proporcionou, em geral, os melhores resultados. Quando comparadas as citocininas BAP e TDZ na multiplica??o, indica-se 0,75 mg L-1 de BAP. Mais estudos envolvendo a propaga??o in vitro devem ser realizados, principalmente relacionados ?s etapas de enraizamento e aclimata??o, de forma a consolidar uma metodologia para E. incanus. / Disserta??o (Mestrado) ? Programa de P?s-Gradua??o em Ci?ncia Florestal, Universidade Federal dos Vales do Jequitinhonha e Mucuri, 2016. / This study aimed to develop procedures for in vitro propagation of Eremanthus incanus and control the vitrification in explants during cultivation. Five experiments were carried out, involving the stages of germination, multiplication and stretching. In experiment 1, we evaluated the influence of culture medium MS and WPM (25, 50, 75 and 100% of salts and vitamins) in the percentage of germination and height, number of leaves and dry weight of the produced seedlings. The experiments 2, 3 and 4 treatments consisted of two types of containers (test tubes and culture vials) and four types of sealing (PVC film, cellophane, micropore tape and specific covers). In experiment 2, we evaluated the influence of the containers and sealing forms on the percentage of germination and contamination, height, number of leaves and dry weight of seedlings. In experiment 3, we evaluated the number of shoots and vitrification in explants in multiplication phase in three subcultures. In the experiment 4, the elongation phase was assessed according to the containers and sealing forms in relation to height variables, vitrification and dry matter weight. In experiment 5, four concentrations of BAP and TDZ were tested and the number of shoots, vitrification and callus were evaluated in two subcultures. In experiment 1, the culture medium WPM75 had the highest percentage of germination, while the MS75 medium showed higher height and number of leaves, and the WPM100 presented the greater weight of dry matter. In experiment 2, the combinations tube + tape, PVC pipe + tube and PVC + vial provided the highest percentage of germination, while the lowest percentage of contamination were observed in the treatments tube + tape and tube + cover. The tube combination tube + cellophane showed higher height and dry matter weight, and vial + PVC larger number of leaves. It was observed in the experiment 3, in relation with the number of sprouts, that in the subculture 1 the combination vial + cellophane was superior, while in subcultures 2 and 3 the treatment tube + cellophane stood out. For vitrification, in subculture 1 the combination tube + cover showed the lowest vitrification, in subculture 2 the treatments tube + PVC tube and cover + tube stood out, and in subculture 3 the best treatment was tube + cellophane. In the elongation phase (Experiment 4), the combination tube + cellophane showed the highest average height of explants. In the three subcultures, there was no vitrification in combination vial + cellophane, also being observed in this combination the greater weight of dry matter. In experiment 5, treatment 0.75 mg L-1 BAP had the highest number of shoots in the two subcultures. For vitrification, in both subcultures, BAP presented plants with lower vitrification. In conclusion, for the germination of Eremanthus incanus seeds, WPM medium with 75% of salts and vitamins is the most suitable, while for crop establishment the best medium is MS 75%. The type of container and sealing influence the multiplication, on elongation and vitrification of explants, being that the combination of the test tube container with transparent cellophane sealing provided, in general, the best results. When comparing the cytokinins BAP and TDZ in proliferation it is indicated 0.75 mg L-1 BAP. Further studies involving the in vitro propagation must be carried out, mainly related to steps of rooting and acclimatization to consolidate a methodology for E. incanus.
5

Germina??o, estaquia e micropropaga??o de Xylopia aromatica (Lam.) Mart.

Porf?rio, Kennedy de Paiva 16 August 2016 (has links)
Submitted by Jos? Henrique Henrique (jose.neves@ufvjm.edu.br) on 2017-06-07T22:50:41Z No. of bitstreams: 2 kennedy_paiva_porfirio.pdf: 1795601 bytes, checksum: b5586d73e2887546c047ef31257c28b7 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) / Approved for entry into archive by Rodrigo Martins Cruz (rodrigo.cruz@ufvjm.edu.br) on 2017-06-22T15:23:55Z (GMT) No. of bitstreams: 2 kennedy_paiva_porfirio.pdf: 1795601 bytes, checksum: b5586d73e2887546c047ef31257c28b7 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) / Made available in DSpace on 2017-06-22T15:23:55Z (GMT). No. of bitstreams: 2 kennedy_paiva_porfirio.pdf: 1795601 bytes, checksum: b5586d73e2887546c047ef31257c28b7 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Previous issue date: 2016 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior (CAPES) / Este trabalho teve como objetivo desenvolver procedimentos de germina??o, estaquia e micropropaga??o de Xylopia aromatica. Os experimentos foram conduzidos na Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), em diamantina ? MG, cujos trabalhos foram divididos em dois cap?tulos. No primeiro cap?tulo foram realizados oito experimentos. A germina??o foi avaliada em quatro experimentos, onde sementes de Xylopia aromatica, separadas em lotes distintos quanto ? densidade, foram submetidas ? quebra de dorm?ncia utilizando GA3 em diferentes concentra??es (0; 25; 50; 100; 250; 500; e 1000 mg L-1), nos tempos de imers?o 24 e 48 horas. N?o ocorreu germina??o durante os 210 dias de avalia??o. Foram realizados quatro experimentos de estaquia, onde segmentos caulinares (com e sem folhas) e radiculares com classes de di?metros distintas, foram imersos por 30 segundos em solu??o de AIB (0; 2000; 4000; 6000; 8000 e 10.000 mg L-1) a fim de induzir o enraizamento advent?cio. Foi avaliado o percentual de enraizamento durante 140 dias. N?o houve enraizamento em nenhum dos experimentos, porem ocorreu brota??es nas estacas caulinares que foram imersas nas concentra??es de 2000, 4000 e 6000 mg L-1 de AIB. No segundo cap?tulo, foram realizados seis experimentos, que envolveram etapas de multiplica??o, alongamento e enraizamento in vitro. Explantes foram submetidos a diferentes meios de cultura (MS e WPM), e concentra??es de BAP (0,5 e 0,8 mg L-1), objetivando determinar o melhor meio de cultura e concentra??o de BAP para a multiplica??o da esp?cie. Avaliou-se tamb?m, o alongamento em explantes com o uso de combina??es de ANA e BAP e GA3, e enraizamento com o uso de AIB e ANA. O meio MS acrescido de 0,8 mg L-1 de BAP foi o que apresentou melhores resultados para a multiplica??o de Xylopia aromatica. Na fase de alongamento, o GA3 na concentra??o de 5,0 mg L-1 foi o regulador de crescimento que apresentou melhor resultado em altura e n?mero de folhas. No enraizamento, o AIB e o ANA n?o foram eficazes na indu??o de ra?zes, necessitando mais estudos relacionados ? etapa de enraizamento para a esp?cie. / Disserta??o (Mestrado) ? Programa de P?s-Gradua??o em Ci?ncia Florestal, Universidade Federal dos Vales do Jequitinhonha e Mucuri, 2016. / This study aimed to develop germination procedures, cutting and micropropagation Xylopia aromatica. The experiments were conducted in Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM) in Diamantina - MG, whose works were divided into two chapters. In the first chapter were carried out eight experiments. Germination was evaluated in four experiments where aromatica Xylopia seeds, separated into separate lots for density, were submitted to dormancy breaking using GA3 at different concentrations (0, 25, 50, 100, 250, 500, and 1000 mg L-1) under immersion for 24 and 48 hours. Not germinated during the 210 days of evaluation. Four cutting experiments were carried out where segments shoot (with and without leaves) and root with different diameter classes were immersed for 30 seconds in AIB solution (0; 2000; 4000; 6000; 8000 and 10,000 mg L-1) to induce adventitious roots. Rooting percentage was evaluated during 140 days. There was no rooting experiments, however sprouting occurred in the cuttings were dipped in concentrations of 2000, 4000 and 6000 mg L-1 AIB. In the second chapter, we were conducted six experiments, involving multiplication steps, stretching and in vitro rooting. Explants were subjected to different culture medium (MS and WPM) and BAP (0,5and 0,8mg L-1), in order to determine the best medium and concentration of BAP for the multiplication of the species. It also evaluated the elongation explants using combinations of ANA and BAP and GA3 and rooting using AIB and ANA. The MS medium plus 0.8 mg L-1 BAP showed the best results for the multiplication of Xylopia aromatica. In the stretching step, the concentration of GA3 at 5,0 mg L-1 was the growth regulator showed better results in height and leaf number. Rooting, AIB and ANA were not effective in inducing roots, requiring more studies related to the rooting stage for the species.
6

Microalga Schizochytrium sp. em dietas para juvenis de piau

Prates, Aline Danielle Souza 19 August 2016 (has links)
Submitted by Jos? Henrique Henrique (jose.neves@ufvjm.edu.br) on 2017-10-04T13:13:21Z No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) aline_danielle_souza_prates.pdf: 764936 bytes, checksum: 07ecde7b89a9710be55845e608186865 (MD5) / Approved for entry into archive by Rodrigo Martins Cruz (rodrigo.cruz@ufvjm.edu.br) on 2017-10-09T14:25:55Z (GMT) No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) aline_danielle_souza_prates.pdf: 764936 bytes, checksum: 07ecde7b89a9710be55845e608186865 (MD5) / Made available in DSpace on 2017-10-09T14:25:55Z (GMT). No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) aline_danielle_souza_prates.pdf: 764936 bytes, checksum: 07ecde7b89a9710be55845e608186865 (MD5) Previous issue date: 2016 / Funda??o de Amparo ? Pesquisa do Estado de Minas Gerais (FAPEMIG) / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior (CAPES) / Banco do Nordeste do Brasil (BNB) / Conselho Nacional de Desenvolvimento Cient?fico e Tecnol?gico (CNPq) / A ingest?o de alimentos enriquecidos com ?cidos graxos poliinsaturados (PUFAs) da s?rie ?mega-3 vem sendo difundida nas ?ltimas d?cadas. A eleva??o dos n?veis dos ?cidos eicosapentan?ico (EPA) e docosaexan?ico (DHA) pode ser obtida por meio do enriquecimento da alimenta??o dos animais criados em cativeiro, manipulando-se a composi??o dos ?cidos graxos da dieta. O objetivo deste trabalho foi avaliar dietas contendo a inclus?o da microalga Schizochytrium sp. no desempenho produtivo e composi??o bromatol?gica de juvenis de piau. O experimento foi conduzido no Laborat?rio de Aquicultura e Ecologia Aqu?tica do Departamento de Zootecnia da Universidade Federal dos Vales do Jequitinhonha e Mucuri, em Diamantina ? MG. Foram utilizados 300 juvenis de piau com peso m?dio e comprimento total m?dio de 11,80 ? 1,08 g e 9,68 ? 0,31 cm, respectivamente . Os peixes passaram por sete dias de adapta??o ao ambiente e neste per?odo foram alimentados com a ra??o do tratamento controle. Utilizou-se um delineamento inteiramente casualizado, com cinco tratamentos (0, 10, 20, 30 e 40 g de Schizochytrium sp. kg-1) e quatro repeti??es, com sete juvenis estocados por aqu?rio, totalizando em 20 parcelas experimentais. Avaliou-se aos 60 dias de experimento os par?metros de desempenho produtivo: ganho de peso (g), biomassa final (g), consumo de ra??o (g), convers?o alimentar, taxa de crescimento espec?fico (TCE) (% dia-1), sobreviv?ncia (%) fator de condi??o (K), e par?metros bromatol?gicos da carca?a: mat?ria seca (MS), mat?ria mineral (MM), extrato et?reo (EE), prote?na bruta (PB), c?lcio (Ca) e f?sforo (P). Foi observado efeito linear crescente (p<0,05) para os par?metros de ganho de peso, biomassa final e sobreviv?ncia. Para convers?o alimentar observou-se efeito quadr?tico (p<0,05) com o melhor n?vel de 33,5 g kg-1 de inclus?o da microalga. Quanto ?s an?lises bromatol?gicas da carca?a , n?o foram observados (p>0,05) diferen?as para mat?ria seca, mat?ria mineral, extrato et?reo, exceto para a prote?na bruta, c?lcio e f?sforo que apresentaram efeito linear decrescente (p<0,05). Conclui-se que a inclus?o acima de 30 g de Schizochytrium sp. kg-1 na ra??o melhora o desempenho de piau. / Disserta??o (Mestrado) ? Programa de P?s-Gradua??o em Zootecnia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, 2016. / The food intake enriched with polyunsaturated fatty acids, omega-3 series, has been widespread in the recent decades. The increase of the EPA and DHA levels can be obtained by enriching the animals feed raised in captivity, by manipulating the fatty acids composition of dietary. This study aimed to evaluate diets with the inclusion of algae Schizochytrium sp. in the productive performance and chemical composition of piau juveniles. The experiment was conducted in the Aquaculture Laboratory of Aquatic Ecology Department of Animal Science of UFVJM in Diamantina - MG. Three hundred piau juvenile with mean weight and total length of 11.80 ? 1.08g and 9.68 ? 0.31 cm respectively, were subjected. Fishes passed for seven days of adaptation and were fed with the control feed treatment. A completely randomized design was used with five treatments (0, 10, 20, 30, and 40 g of Schizochytrium sp. Kg-1), and four replications, with seven juveniles were stocked through aquariums, totaling 20 experimental units. It was evaluated at 60th day of experiment the performance parameters such as weight gain (g), final biomass (g), feed intake (g), feed conversion, TCE (% day-1), survival (%) and condition factor (K), and bromatological parameters of the carcass: Dry matter (DM), mineral matter (MM), ethereal extract (EE), crude protein (CP), calcium (Ca) and phosphorus (P). Increasing linear effect (p <0.05) was observed for the parameters of weight gain, final biomass and survival. For food conversion, a quadratic effect was observed (p <0.05) with the best level of 33.5 g kg-1 inclusion of the microalgae. Regarding the bromatological analyzes of the carcass, differences were not observed (p> 0.05) for dry matter, mineral material, ethereal extract, except for crude protein, calcium and phosphorus, which presented a linear decreasing effect (p <0.05). It is concluded that the above inclusion of 30 g of Schizochytrium sp. Kg-1 in the diet improves the performance of piau.
7

Crescimento e nutri??o de mudas de copa?ba em dois volumes de substratos e n?veis de sombreamento. / The copa?ba (Copaifera langsdorffii) is a tree, the family Leguminosae (Caesalpinioideae) found in savannah, forest and gallery forests.

Dutra, Tiago Reis January 2010 (has links)
Submitted by Rodrigo Martins Cruz (rodrigo.cruz@ufvjm.edu.br) on 2015-02-27T13:30:34Z No. of bitstreams: 5 34.pdf: 292726 bytes, checksum: e8788860f0469cfddaa19499b5cc1775 (MD5) license_url: 49 bytes, checksum: fd26723f8d7edacdb29e3f03465c3b03 (MD5) license_text: 20904 bytes, checksum: e09bf99e64678e4285abf3ef3e05412d (MD5) license_rdf: 23422 bytes, checksum: b145eda3d84bdc4f56b389c0ab98d368 (MD5) license.txt: 2109 bytes, checksum: aa477231e840f304454a16eb85a9235f (MD5) / Approved for entry into archive by Rodrigo Martins Cruz (rodrigo.cruz@ufvjm.edu.br) on 2015-02-27T18:32:40Z (GMT) No. of bitstreams: 5 34.pdf: 292726 bytes, checksum: e8788860f0469cfddaa19499b5cc1775 (MD5) license_url: 49 bytes, checksum: fd26723f8d7edacdb29e3f03465c3b03 (MD5) license_text: 20904 bytes, checksum: e09bf99e64678e4285abf3ef3e05412d (MD5) license_rdf: 23422 bytes, checksum: b145eda3d84bdc4f56b389c0ab98d368 (MD5) license.txt: 2109 bytes, checksum: aa477231e840f304454a16eb85a9235f (MD5) / Made available in DSpace on 2015-02-27T18:32:40Z (GMT). No. of bitstreams: 5 34.pdf: 292726 bytes, checksum: e8788860f0469cfddaa19499b5cc1775 (MD5) license_url: 49 bytes, checksum: fd26723f8d7edacdb29e3f03465c3b03 (MD5) license_text: 20904 bytes, checksum: e09bf99e64678e4285abf3ef3e05412d (MD5) license_rdf: 23422 bytes, checksum: b145eda3d84bdc4f56b389c0ab98d368 (MD5) license.txt: 2109 bytes, checksum: aa477231e840f304454a16eb85a9235f (MD5) Previous issue date: 2010 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior (Capes) / A copa?ba (Copaifera langsdorffii) ? uma esp?cie arb?rea, da fam?lia Leguminosae (Caesalpinioideae) encontrada no cerrado, mata atl?ntica e matas de galeria. Assim como outras diversas esp?cies florestais, come?aram a receber em meados da d?cada de 70 maior import?ncia na produ??o de suas mudas em viveiros florestais para uso em diversos projetos. O volume e tipo de substrato s?o os primeiros aspectos que devem ser investigados para se garantir a produ??o de mudas de boa qualidade em viveiros florestais. A luminosidade ? outro fator de enorme import?ncia na produ??o de mudas, sendo que varia??es na qualidade e quantidade, presen?a ou aus?ncia de luz ir? influenciar o desenvolvimento da planta. Desta forma, o presente trabalho teve como objetivo avaliar a influ?ncia de dois volumes de diferentes tipos de substratos e n?veis de sombreamento crescentes no crescimento e teores de nutrientes em mudas de copa?ba. O experimento foi conduzido por 130 dias em DBC casualizados no esquema fatorial 2 x 5, sendo avaliado dois volumes dos substratos Bioplant?, 70% vermiculita + 30% casca de arroz carbonizada, 40% vermiculita + 30% casca de arroz carbonizada + 30% fibra de c?co, 50% vermiculita + 30% casca de arroz carbonizada + 20% areia, 70% vermiculita + 15% casca de arroz carbonizada + 15% vermicomposto. Estas dez combina??es foram distribu?das aleatoriamente em quatro blocos com diferentes intensidades luminosas: 0, 30, 50 e 70% de sombreamento. As mudas de copa?ba podem ser produzidas satisfatoriamente nos dois volumes (180 e 280 cm?) dos diferentes substratos estudados e em n?veis de sombreamentos mais elevados, demonstrando grande plasticidade. O uso de 180 cm? de substrato foi suficiente para produzir mudas com bom desenvolvimento, ?ndice de qualidade e teores nutricionais. Os substratos 70% vermiculita + 30% casca de arroz carbonizada, 40% vermiculita + 30% casca de arroz carbonizada + 30% fibra de c?co, 50% vermiculita + 30% casca de arroz carbonizada + 20% areia, 70% vermiculita + 15% casca de arroz carbonizada + 15% vermicomposto apresentaram ligeira superioridade em rela??o ao Bioplant para as caracter?sticas morfol?gicas das mudas, entretanto as plantas crescidas nesse substrato apresentaram maiores teores de P, K, Ca, S e Zn. / Disserta??o (Mestrado) ? Programa de P?s-Gradua??o em Produ??o Vegetal, Universidade Federal dos Vales do Jequitinhonha e Mucuri, 2010. / ABSTRACT The copa?ba (Copaifera langsdorffii) is a tree, the family Leguminosae (Caesalpinioideae) found in savannah, forest and gallery forests. Like many other forest species, began to receive in the mid-70s most important in the production of seedlings in its nursery for use in various projects. The volume and type of substrate are the first things that should be investigated to ensure the production of good quality seedlings in forest nurseries. Brightness is another factor of great importance in plant propagation, and variations in quality and quantity, presence or absence of light will influence plant development. Thus, this study aimed to evaluate the influence of two volumes of different types of substrates and increasing levels of shading on growth and nutrient content in seedlings of copaiba. The experiment was conducted for 130 days in a randomized block design in a 2 x 5 factorial scheme being evaluated two volumes of the five following substrates: Bioplant ?, 70% vermiculite + 30% carbonized rice hulls, 40% vermiculite + 30% carbonized rice hulls + 30% coir, 50% vermiculite + 30% carbonized rice hulls + 20% sand and 70% vermiculite + 15% carbonized rice hulls + 15% vermicompost residue textiles. These ten combinations were randomly distributed in four blocks according to the following distinct brightness: 0, 30, 50 e 70 percentages of shading. Seedlings Copaiba can be satisfactorily produced in two volumes (180 and 280 cc) of different substrates and studied at the highest levels of shading, showing great plasticity. The use of 180 cc of substrate was sufficient to produce seedlings with normal development, content quality and nutritional content. The substrates 70% vermiculite + 30% rice hulls, 40% vermiculite + 30% rice hulls + 30% coconut fiber, 50% vermiculite + 30% rice hulls + 20% sand, 70% vermiculite + 15 % rice hulls + 15% vermicompost showed slight superiority over Bioplant for the morphological characteristics of seedlings, however the plants grown on the substrate showed higher levels of P, K, Ca, S and Zn.

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