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| Registros recuperados: 60 | |
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| LINS, A. C. R.; CASTRO, F. de A.. |
| A propagação da seringueira é geralmente feita por enxertia sendo mais empregado o método Forkert (tipo convencional) que consiste na inclusão da gema em "seedlings", porta enxertos de um ano de idade. Por este meio de propagação obtém-se seringais com uniformidade no desenvolvimento e na produção, diferindo portanto dos seringais nativos. Outras vantagens favorecidas pela técnica, seria a multiplicação vegetativa fácil, garantia do alto rendimento e resistência às enfermidades de interesse econômico. É recomendável, ainda, a utilização dos métodos borbulha de catáfilo, com a parte superior do escudo embutido, e borbulha da folha com a parte inferior do escudo embutido, ambos com fita plástica transparente, na prática da enxertia verde. O presente trabalho... |
| Tipo: Comunicado Técnico (INFOTECA-E) |
Palavras-chave: Ruber tree; Embrapa Acre; Rio Branco (AC); Acre; Amazônia Ocidental; Western Amazon; Amazonia Occidental; Hevea spp; Fecha de plantación; Injerto (plantas); Propagación vegetativa.; Propagação vegetativa; Seringueira; Enxerto; Época de plantio; Rendimento; Campo Experimental; Caucho.; Vegetative propagation; Grafting (plants); Planting date; Ferbam.. |
| Ano: 1979 |
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/492290 |
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| de Lima, Daniela Macedo; Klein, Anderson Wiliam; Salla, Vanessa Padilha; Cardoso Moura, Amanda Pacheco; Danner, Moeses Andrigo. |
| The objective of this work was to evaluate the effect of indolebutyric acid (IBA) on rooting of Langerstroemia indica cuttings in different substrates. Semi-hardwood cuttings with 7-8 cm were treated in alcoholic solutions of IBA (0, 1,000, 2,000 and 3,000 mg L-1) for 10 s and staked in plastic tubes containing commercial organic substrate or vermiculite. A completely randomized design in factorial arrangement 4 x 2 (4 concentrations x 2 substrates) was used. After 75 days we evaluated percentages of rooted cuttings, with shoots and necrosis, number and length of roots and number of shoots per cutting. IBA in concentration 1,000 mg L-1 promoted best rooting (65.63%) in vermiculite substrate (73.43%). |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Ornamental species; Vegetative propagation; Auxina Fitotecnia; Produção de Mudas Espécie ornamental; Propagação vegetativa; Auxina. |
| Ano: 2016 |
URL: http://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/1022 |
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| Nazário, Patrícia; Wendling, Ivar; Souza, Letícia Penno de. |
| In spite of the readiness of seeds of Luehea divaricata, your collection is a difficult and onerous task, sees the maturation to be irregular along the time, generating difficulties for production of seedlings through seeds. With base in this, it was aimed to evaluate the most appropriate concentration of IBA in rooting cuttings for the production of seedlings of Luehea divaricata. The cuttings were picked from branches of adult trees and natural regenerations in the spring of 2003, prepared with 10 to 15 centimeters (with a pair of cut leaves to the middle, treated with IBA (0, 2000, 4000, 6000 and 8000 mg L-1) and rooted in greenhouse during 85 days. The medium survival in the exit of the shade house was 29.2%, with superiority for the treatment with... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Vegetative propagation; Rooting; Seedlings production; IBA Propagação vegetativa; Enraizamento; Produção de mudas; AIB. |
| Ano: 2010 |
URL: http://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/138 |
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| Souza, Cibele Chaves; Xavier, Aloisio; Leite, Fernando Palha; Santana, Reynaldo Campos; Paiva, Haroldo Nogueira de. |
| The objective of this work was to evaluate different densities of rootedproductivity and survival as well as the effects on production and survival of cuttings produced. We performed two separate experiments, one for each genetic material (C1 and C2) and were assessed three densities for clone C1 (88, 75 and 57 ministumps m-2) and two for clone C2 (104 and 78 ministumps m-2). Shoots we collected from the ministumps and they were used in making cuttings 6-10 cm long. Sampling was initiated in January 2011, ending in March 2011. The cuttings were planted in substrate composed of 50% vermiculite and 50% of rice hulls and subsequently they were conducted in following steps: greenhouse, shade house and field hardening. For both clones, the density with smaller... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Mini-cutting technique; Vegetative propagation; Clonal forestry Recursos florestais; Silvicultura clonal Miniestaquia; Propagação vegetativa; Silvicultura clonal. |
| Ano: 2014 |
URL: http://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/512 |
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| Santin, Delmar; Wendling, Ivar; Benedetti, Eliziane Luiza; Morandi, Divercindo. |
| O longo tempo necessário para produção de mudas por semente e a formação de ervais com material genético de baixa qualidade são problemas que necessitam ser superados na cultura da erva-mate. A enxertia na produção de mudas ou na substituição da copa de ervais poderá suplantar estas restrições. No entanto, a técnica ainda carece de maiores estudos, principalmente para materiais genéticos adultos. Assim, objetivou-se avaliar o efeito da enxertia seriada (subcultivos), clones, ambientes de enxertia e sexo das plantas matrizes na sobrevivência e vigor de enxertos de erva-mate. Para avaliar 3 subcultivos e 2 clones, instalou-se um experimento com mudas em viveiro. Em outro experimento compararam-se os ambientes campo e viveiro e seis clones (três masculinos e... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Recursos Florestais; Silvicultura Clonal; Propagação Vegetativa Ilex paraguariensis; Propagação vegetativa; Seleção de matrizes; Melhoramento genético Ilex paraguariensis; Vegetative propagation; Selection of parent trees. |
| Ano: 2015 |
URL: http://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/903 |
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| Mori da Cunha, Ana Catarina Monteiro Carvalho; Wendling, Ivar; Souza Júnior, Levi. |
| The present work aimed to evaluate the influence of different concentrations of indolbutiric acid (0, 2000, 4000, 6000 and 8000 mg L-1) in the rooting of cuttings and vigor of the produced seedlings of Sapium glandulatum. The results obtained with relationship to the rooting indicated the best results for the dose of 6000 mg L-1 of AIB, with average of 52%, demonstrating this to be the most suitable concentration for the production of seedlings of this species. It was concluded that rooting cuttings technique of Sapium glandulatum is technically viable and could be used in the production of seedlings, thus overcoming problems of shortage of seeds and low germination rate. Also, it could be an alternative for production of seedlings all the year. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Vegetative propagation; Seedling production; Growth regulator Propagação vegetativa; Produção de mudas; Regulador de crescimento. |
| Ano: 2004 |
URL: http://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/1291 |
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| Usberti-Filho,José Alfredo; Usberti,Roberto; Paterniani,Ricardo Stipp. |
| The main scope of this work was to detect (Panicum maximum Jacq.) genotype differences as to morphoagronomic and seed quality indices, and to establish character correlations useful for determining vegetative and reproductive trends. Besides the flowering cycle, eight phenological and two seed quality traits were scored in a greenhouse randomized complete block experiment, as follows: plant height (PH), reproductive tiller number/overall tiller number (RTN/OTN), panicle number/reproductive tillers (PN/RT), leaf length (LL), leaf width (LW), panicle length (PL), fresh weight (FW), dry weight (DW), number of seeds/g (NS/G) and seed sample physical purity (SPP). Very-early and early-flowering hybrids consistently showed the highest correlation values among... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Panicum maximum; Flowering; Agronomic characters; Vegetative propagation. |
| Ano: 2002 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2002000200004 |
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| Partelli,Fábio Luiz; Covre,André Monzoli; Oliveira,Marcos Goes; Alexandre,Rodrigo Sobreira; Vitória,Edney Leandro da; Silva,Marcelo Barreto da. |
| The objective of this work was to evaluate the root system distribution and the yield of 'Conilon' coffee (Coffea canephora) propagated by seeds or cuttings. The experiment was carried out with 2x1 m spacing, in an Oxisol with sandy clay loam texture. A randomized complete block design was used, following a 2x9x6 factorial arrangement, with two propagation methods (seeds and cuttings), nine sampling spacings (0.15, 0.30, 0.45, 0.60, 0.75, and 0.90 m between rows, and 0.15, 0.30, and 0.45 between plants within rows), six soil depths (0.10-0.20, 0.20-0.30, 0.30-0.40, 0.40-0.50, and 0.50-0.60 m), and six replicates. Soil cores (27 cm3) with roots were taken from 12 experimental units, 146 months after planting. The surface area of the root system and root... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Coffea canephora; Root diameter; Root length; Root volume; Vegetative propagation. |
| Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2014000500349 |
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| NOGUEIRA,REJANE J. MANSUR C.; MORAES,JOSÉ ANTÔNIO P. V. DE; BURITY,HÉLIO ALMEIDA; BEZERRA NETO,EGÍDIO. |
| Young sexually and assexually propagated Barbados cherry plants were submitted to water deficit (20 days without irrigation). During this period the accumulation of proline, water potential of branches, osmotic potential, the relative water content of leaves, the leaf diffusive resistance, the transpiration rate and leaf temperature in the cuvette were determined. In addition, photosynthetically active radiation (PAR) and vapor pressure deficit (VPD) were measured in the porometer cuvette. The concentration of proline for both types of plants began to increase on the fifth day without watering, and reached 38.1 times the concentration in the control plants grown from seeds and 26.4 times the concentration in grafted plants on the tenth day without... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Malpighia emarginata; Drought tolerance; Grafting; Proline; Transpiration; Vegetative propagation. |
| Ano: 2001 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-31312001000100009 |
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| Faleiro,Fábio Gelape; Junqueira,Nilton Tadeu Vilela; Junghans,Tatiana Góes; Jesus,Onildo Nunes de; Miranda,Diego; Otoni,Wagner Campos. |
| Abstract The propagation of many passion fruit species (Passiflora spp.) is done by seeds or sexual method, although asexual propagation, such stem cuttings, grafting or tissue culture is also possible and very useful in many cases. In this work, it was presented information on scientific and technological advances in sexual and asexual propagation of passion fruit, considering the different propagation methods and their applications. New demands for research and development activities are also related, given the wide range of passion fruit species and its potential for food, ornamental and medicinal use. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Seed germination; Vegetative propagation; Cuttings; Grafting; Tissue culture. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452019000201002 |
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| Lopes,Rodrigo Luiz; Cavalcante,Ítalo Herbert Lucena; Oliveira,Inez Vilar de Morais; Martins,Antonio Baldo Geraldo. |
| A study was conducted to determine the possibility of cashew (Anacardium occidentale) cloning by air-layering and influence of IBA (indol-butyric acid) on this process. It was adopted a completely randomized design with 4 treatments, 10 air layers each and 4 replications, reaching 160 air layers. The IBA levels on the treatments were, as follow: 0, 1000, 3000 and 5000 mg.kg-1. It was evaluated: survival, callus and rooting percentage, average number and length of roots. The highest survival rate (67.5%) was registered with no growth regulator and IBA at 1000 mg.kg-1, while the best rooting percentage (82%) referred to 1000 mg.kg-1. In spite of average number and length of roots, the highest results were observed with IBA at 5000 mg.kg-1. IBA concentrations... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Anacardium occidentale; Plant growth regulator; Vegetative propagation. |
| Ano: 2005 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452005000300043 |
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| CAMPOS,GRAZIELLA SIQUEIRA; MARINHO,CLÁUDIA SALES; PORTELLA,CAMILLA RANGEL; AMARAL,BRUNO DIAS; CARVALHO,WALESKA SOARES GOMES DE. |
| ABSTRACT Mini-grafting is a type of grafting that has been indicated to increase efficiency of forest and fruit species propagation. The aim of this study was to evaluate the mini-grafting technique as a method for propagation of guava grafted on intra or interspecific rootstock. The experimental design was randomized blocks, with four treatments, five replications and plots consisting of ten plants, in a 22 factorial arrangement, and factors consisted of rootstocks and canopy cultivars. Rootstocks used were Psidium guajava and Psidium guineense. The canopy used was Paluma and Cortibel 1 cultivars. Only thecanopy used had an effect on the percentage of grafting success of 52, 54, 82 and 84%, respectively, for ‘Cortibel 1’/P. guineense; ‘Cortibel 1’/P.... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Psidium guajava; P. guineense; Vegetative propagation; Softwood grafting. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452017000101001 |
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| Registros recuperados: 60 | |
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