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| Registros recuperados: 52 | |
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| Oliveira,João Ricardo Gonçalves de; Silva,Eliene Matos e; Teixeira-Rios,Thaís; Melo,Natoniel Franklin de; Yano-Melo,Adriana Mayumi. |
| Schinopsis brasiliensis is an endangered tree species found in the Caatinga biome. It presents a characteristic slow development and difficult propagation, although it has been traditionally exploited in the region. Application of arbuscular mycorrhizal fungi (AMF) and phosphorus (P) fertilization may be beneficial to S. brasiliensis development at the seedling stage, which at the same time may help species conservation and the recovery of degraded areas in the Caatinga biome. We assessed the response of S. brasiliensis to AMF inoculation (Claroideoglomus etunicatum and Acaulospora longula) and P fertilization (0, 12, 24, and 48 mg dm−3 addition of P2O5). S. brasiliensis responded positively to both AMF inoculation and P fertilization. At low P... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Arbuscular mycorrhizal fungi; Native plants; Nutrient concentration; Seedling production; Semiarid area. |
| Ano: 2015 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062015000100094 |
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| Ferraz, Denes; Ramalho, Werther Pereira; Vale, Luís Sérgio Rodrigues. |
| The production of forest species that present seedlings with exogenous dormancy is limited by low germination rates, which can be overcome by rupturing or weakening the tegument. This study aimed to evaluate the efficiency of low-cost methods of overcoming dormancy and determine the effect of storage on the seeds of Enterolobium contortisiliquum. Four storage periods were used, freshly collected seeds (0), stored for 6, 12 and 18 months, and four methods were applied, mechanical scarification and immersion in water (EI), mechanical scarification (ES), immersion in water (IM) and control (TE). We obtained the percentage values of seedling emergence (EP) and the mean emergence time (TME). Conductivity and moisture were obtained as indicators of the physical... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Exogenous dormancy; Immersion; Mechanical scarification; Leguminous plants; Seedling production; Pacara earpod tree.. |
| Ano: 2019 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/42602 |
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| Ferraz, Denes; Ramalho, Werther Pereira; Vale, Luís Sérgio Rodrigues. |
| The production of forest species that present seedlings with exogenous dormancy is limited by low germination rates, which can be overcome by rupturing or weakening the tegument. This study aimed to evaluate the efficiency of low-cost methods of overcoming dormancy and determine the effect of storage on the seeds of Enterolobium contortisiliquum. Four storage periods were used, freshly collected seeds (0), stored for 6, 12 and 18 months, and four methods were applied, mechanical scarification and immersion in water (EI), mechanical scarification (ES), immersion in water (IM) and control (TE). We obtained the percentage values of seedling emergence (EP) and the mean emergence time (TME). Conductivity and moisture were obtained as indicators of the physical... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Exogenous dormancy; Immersion; Mechanical scarification; Leguminous plants; Seedling production; Pacara earpod tree.. |
| Ano: 2019 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/42602 |
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| Samarão, Solange Silva; Instituto Superior de Tecnologia em Ciências Agrárias- FAETEC; Rodrigues, Luciana Aparecida; ISTCA; Martins, Marco Antônio; UENF; Manhães, Thiago Nogueira; ISTCA; Alvim, Luís Alberto da Mota; ISTCA. |
| O objetivo deste trabalho foi avaliar o desenvolvimento de mudas de gravioleira (Anonna muricata L.) inoculadas com FMAs e cultivadas com diferentes doses de fósforo (P), em solo não-esterilizado. O experimento foi conduzido em casa-de-vegetação, com delineamento experimental inteiramente casualizado, em esquema fatorial 4 x 4 (inoculação x doses de P) sendo: plantas não-inoculadas (controle), inoculadas com Glomus clarum, inoculadas com Gigaspora margarita e inoculadas com inóculo nativo (Glomus macrocarpum, G. etunicatum e Entrosphopora colombiana) e quatro doses de P (0, 25, 50, 100 mg kg-1) com três repetições. As mudas foram cultivadas em sacos de plástico de 2 dm3 em mistura de solo e areia (2:1 v v-1) não-esterilizada. Aos 90 dias após o plantio,... |
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Palavras-chave: 5.01.03.04-0; 5.01.02.04-4 adubação fosfatada; Frutíferas; Produção de mudas Produção de mudas; Microbiologia agrícola phosphorus fertilization; Fruit trees; Seedling production. |
| Ano: 2011 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/5427 |
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| Costa, Geany Giovana Silva da; Costa, Edilson; Silva, Eliamara Marques da; Borges, Renato Silva; Binotti, Flávio Ferreira da Silva; Vieira, Gustavo Haralampidou Costa; Souza, Andréia Fróes Galuci Oliveira de. |
| The baru (Dipteryx alata Vog.) is a native species of Brazilian cerrado, and has been widely used in reforestation, medicine, and food industry. The effects of shading levels, reflective material, and seeding depth on the growth of baru seedlings were investigated in this study. The seedlings were grown in full sunlight, and in three production nurseries constructed with 18%, 30%, and 50% shading screens on growing benches coated or not coated with a reflective material (Aluminet®). The seeds were sown at depths of 2.0 or 4.0 cm in black polyethylene bags of 15.0 × 25.0 cm (1.8 L), filled with substrate formulated from the mixture of sandy soil: bovine manure: vermiculite (5: 3: 2). Each seedling production environment was considered an experiment because... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Dipteryx alata; Seedling production; Plant growing environment; Light restriction. |
| Ano: 2020 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/5785 |
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| SCALON,SILVANA P.Q.; JEROMINI,TATIANE S.; MUSSURY,ROSILDA M.; DRESCH,DAIANE M.. |
| The aim of this research was to evaluate the quality and photosynthetic metabolism of “uvaia” seedlings (Eugenia pyriformis Cambess.) on different substrates and water regimes. The seeds were sown in tubes of 50 x 190 mm in the following substrates: Sand (S), Latosol + Sand (L + S) (1:1), Latosol + Sand + Semi Decomposed Poultry Litter (L + S1 + PL) ( 1:1:0.5), Latosol + Sand + Semi Decomposed Poultry Litter (L + S2 + PL) (1:2:0.5), Latosol + Bioplant® (L + B) (1:1), and the water levels assessed were 50, 75 and 100% of water retention capacity. At 60, 90, 120 and 150 days the seedlings were evaluated according to their chlorophyll index, leaf area (cm2) and Dickson Quality Index (DQI) and at 150 days their internal concentration of carbon (mol m–2s–1),... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Cerrado; Myrtaceae; Seedling production; Uvaia. |
| Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652014000402039 |
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| Silveira,Daniela Garcia; Souza,Fernanda Vidigal Duarte; Pelacani,Claudinéia Regina; Souza,Antonio da Silva; Ledo,Carlos Alberto da Silva; Santana,José Raniere Ferreira de. |
| Neoglaziovia variegata (Arr. Cam.) Mez is a Bromeliaceae native to the Caatinga, used for fiber extraction in the Northeast Region of Brazil. The antropic activity has place this species among the threatened ones. The objective of the work was to establish an in vitro propagation and conservation of caroá. Seeds were cultivated in MS medium in the presence or absence of light. In vitro germinated seedlings were multiplied in MS medium supplemented with the combinations 0.05 and 0.50 µM NAA and 2.2 and 4.4 µM BAP and KIN. The best percentages of germination were obtained with the seeds incubated in the presence of light. The highest multiplication ratio was obtained for the NAA (0,5 µM) + BAP (4,4 µM) treatment and the number of roots, with NAA (0.5 µM) +... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Acclimatization; Bromeliaceae; Fiber extraction; In vitro preservation; Seedling production. |
| Ano: 2009 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132009000400016 |
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| Restrepo,Adriana P; García García,José; Moral,Raúl; Vidal,Fernando; Pérez-Murcia,María D; Bustamante,María Á; Paredes,Concepción. |
| A.P. Restrepo, J. Garcia-Garcia, R. Moral, F. Vidal, M.D. Pérez-Murcia, M.A. Bustamante, and C. Paredes. 2013. A comparative cost analysis for using compost derived from anaerobic digestion as a peat substitute in a commercial plant nursery. Cien. Inv. Agr. 40(2): 253-264. The aim of this study was to evaluate the economic feasibility of using compost made from anaerobically digested cattle slurries in a commercial nursery. Using a comparative cost analysis, commercial peat substrate growing media has been partially substituted with increasing proportions of compost (25, 50 and 75% v/v of compost). This experiment was intended to establish the conditions under which the use of these composts is feasible and competitive relative to commercial peat, at both... |
| Tipo: Journal article |
Palavras-chave: Anaerobic digestion; Costs; Economics; Growing media; Peat; Seedling production. |
| Ano: 2013 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202013000200002 |
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| Heintze,Willian; Milani,Marília; Pradella,Elisandra Maria; Fior,Claudimar Sidnei; Schafer,Gilmar. |
| ABSTRACT: Hippeastrum spp. are herbaceous species belonging to the family Amaryllidaceae, widely marketed worldwide as indoor plants. Aiming to characterize chemically and physically and to compare five substrates in acclimatization, micropropagated seedlings of Hippeastrum reticulatum var. striatifolium (Herb), with an average of four roots, two leaves and bulbs with a 4.7mm diameter, were transplanted to 50-cell polyethylene trays each containing the following substrates: T1 - vermiculite, T2 - carbonized rice husk (CRH), T3 - commercial (peat + vermiculite + CRH), T4 - coconut fiber, and T5 - composted Pinus bark. After transplantation, the trays were kept for 17 days at a greenhouse with intermittent irrigation by nebulization, and 80 days at a... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Micropropagation; Seedling production; Floriculture. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782018001200401 |
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| Schulz,Deisinara Giane; Fey,Rubens; Ruppenthal,Viviane; Malavasi,Marlene de Matos; Malavasi,Ubirajara Contro. |
| Organic fertilization provides low cost, supplemental nutrition for plant production. This study aimed to determine the best source and dose of organic fertilizer on the growth of physic nut (Jatropha curcas L.), a potential biodiesel producer. Physic nut seedlings were transplanted to 18 dm³ black plastic pots filled with soil mixed with four sources of organic fertilizer (chicken, fish, cattle manure or urban waste compost) at four dose levels (50, 100, 200 or 400 L m-3). Fertilized and control (no fertilization) plants were grown under shadehouse conditions and morphological plant features were assessed at 30, 60, 90 and 120 days after transplanting. Doses higher than 100 L m-3 of poultry manure mixed with claysoil should be avoided. The use of other... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Organic fertilization; Jatropha curcas L.; Seedling production. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542012000600003 |
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| Moraes,Tatiana Silveira Junqueira de; Costa,Lívia Martinez Abreu Soares; Souza,Thiago Pereira; Collela,Carolina Figueiredo; Dias,Eustáquio Souza. |
| ABSTRACT The production of tomato seedlings is conducted on commercial substrates with adequate properties for the good formation of the aerial part and root. The Spent Mushroom Substrate, or SMS, presents advantages over commercial substrates regarding the quality of the vegetable seedlings, which may be provided by the presence of a rich microbiota, bringing higher balance and competition with pathogenic microorganisms, in addition to the biological control of pathogens and nematodes. It is important to know the microbiota present in this material and its relation to the plant, in order for this association to occur in the best manner possible. This work had the objective of identifying the microbiota present in the rhizosphere of tomato seedlings... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Agaricus sp.; Lycopersicon esculentum; Seedling production; SMS. |
| Ano: 2020 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542020000100224 |
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| Registros recuperados: 52 | |
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