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PRODUÇÃO E QUALIDADE DE INFLORESCÊNCIAS DE COUVE-FLOR EM FUNÇÃO DA DENSIDADE DE PLANTIO 196
Ferreira, Nozimary Carneiro; Seleguini, Alexsander; Seno, Shizuo; Faria Júnior, Max José de Araújo.
A couve-flor é uma das hortaliças mais plantadas em todo o Brasil, sendo uma cultura bastante rentável. A utilização de plantios mais adensados pode incrementar a produtividade da cultura e aumentar o retorno financeiro aos produtores. Assim este trabalho objetivou verificar o efeito da combinação de diferentes espaçamentos entre linhas e entre plantas sobre a produtividade e a qualidade de inflorescências de couve-flor ‘Piracicaba Precoce’. Utilizou-se delineamento experimental em blocos casualizados e os tratamentos consistiram na combinação de três distancias entre linhas (70, 80 e 90 cm) com três distancias entre plantas na linha (50, 60 e 70 cm), e quatro repetições. Foi avaliada a produtividade total e por classes de tamanho das inflorescências, bem...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Manejo e tratos culturais.
Ano: 2015 URL: http://periodicosonline.uems.br/index.php/agrineo/article/view/241
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‘Navelina’ oranges submitted to pre-harvest resistance inducers Agronomy
Kirinus, Marines Batalha Moreno; Barreto, Caroline Farias; Silva, Pricila Santos da; Oliveira, Roberto Pedroso de; Malgarim, Marcelo Barbosa; Fachinello, José Carlos.
 The objective of this study was to evaluate the physical-chemical characteristics, rot index and bioactive compounds of ‘Navelina’ oranges under postharvest refrigerated storage conditions after pre-harvest resistance induction in crops from 2015 and 2016. The field experimental design was completely randomized blocks. The treatment factors were composed of the following resistance inducers: noresistance inducer (control), selenium (Se), silicon (Si), acibenzolar-s-methyl (ASM), methyl jasmonate (MeJa), thiamethoxam (TMT) and imidacloprid (IMI). In the laboratory, the experimental design was the same as that in the field, but it used a two-factor scheme instead of a unifactorial scheme. In the two-factor scheme, factor A was composed of the abovementioned...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Citrus sinensis; Navel orange; Elicitors; Refrigerated storage; Rotting.; Fisiologia de Plantas Cultivadas; Manejo e tratos culturais.
Ano: 2018 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/39465
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Organic cherry tomato yield and quality as affect by intercropping green manure Agronomy
Ambrosano, Edmilson José; Salgado, Gabriela Cristina; Otsuk, Ivani Pozar; Prati, Patrícia; Henrique, Celina Maria; Melo, Paulo César Tavares de.
The aim of the study was to determine the yield and quality parameters of organic cherry tomatoes cultivated by intercropping with green manure in two successive years. The experimental design was a randomized block with eight treatments and five replicates as follows: two controls with single cherry tomato crop, one with straw addition and the other without corn straw as a cover crop; cherry tomato intercropped with jack bean (Canavalia ensiformis DC); tomato intercropped with white lupine (Lupinus albus L.); tomato intercropped with sun hemp (Crotalaria juncea L.); tomato intercropped with velvet bean-dwarf [Mucuna deeringiana (Bort) Merrill]; tomato intercropped with mung bean [Vigna radiata (L.) Wilczek]; and tomato intercropped with cowpea [Vigna...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Organic agriculture; Solanum lycopersicum; Production; Intercropping.; Manejo e tratos culturais.
Ano: 2018 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/36530
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Inoculation of soybean seeds coated with osmoprotector in diferents soil pH's Agronomy
Stecca, Jéssica Deolinda Leivas; Martin, Thomas Newton; Lúcio, Alessandro Dall´Coll; Deak, Evandro Ademir; Fipke, Glauber Monçon; Bruning, Lucas Allan.
  Inoculation with nitrogen-fixing bacteria (Bradyrhizobium) is an indispensable technology to increase the productivity of the soybean crop. The objective of this study was to evaluate the viability of the inoculation with Bradyrizobium bacteria associated with the osmoprotector coating on different pre-sowing days and the effect of different soil pH on the components of yield, nodulation and grain yield of soybean. Two soybean cultivars were used, sown in two seasons and submitted to soil pH of 5.3 and 6.5. The seeds were inoculated at different pre-sowin periods with Bradyrizobium bacteria in the presence or absence of osmoprotectants. In the cultivar NA 5909RG (pH 5.3), the seeds inoculated with Bradyrhizobium and osmoprotector, at four and seven days...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Glycine max; Nitrogen biological fixation; Early inoculation.; Manejo e tratos culturais.
Ano: 2018 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/39482
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Phytotoxicity of leaf aqueous extract of Rapanea umbellata (Mart.) Mez (Primulaceae) on weeds - doi: 10.4025/actasciagron.v35i2.16166 Agronomy
Novaes, Paula; Universidad de Cadiz; Imatomi, Maristela; Universidade Federal de São Carlos; Miranda, Maria Agusta Ferraz Machado; Universidade Federal de São Carlos; Gualtieri, Sonia Cristina Juliano; Universidade Federal de São Carlos.
Allelopathic substances can be used to develop weed control alternatives based on natural products. The objective of this study was to compare the phytotoxic activity of aqueous leaf extracts of Rapanea umbellata with the toxicity of a synthetic herbicide on the germination and growth of weed species. The weeds species barnyard grass (Echinochloa crus-galli), wild poinsettia (Euphorbia heterophylla) and morning glory (Ipomoea grandifolia) were used. The effects of the aqueous leaf extract of R. umbellata at concentrations of 10% and 5% (g mL-1) were compared to the control (distilled water) and to the synthetic herbicide oxyfluorfen. The average weed germination time was significantly lower (p < 0.05) in control than in extract and herbicide...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Agronomia; Botânica; Fisiologia vegetal; Alelopatia controle de espécies infestantes allelopathy; Germination; Growth; Initial length; Oxyfluorfen agronomia; Manejo e tratos culturais.
Ano: 2012 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/16166
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Inoculation with Azospirillum brasilense on corn yield and yield components in an integrated crop-livestock system Agronomy
Schaefer, Paulo Eugênio; Martin, Thomas Newton; Pizzani, Rodrigo; Schaefer, Elton Luiz.
Inoculation of corn with diazotrophic bacteria reduces the need for nitrogen fertilization and mitigates environmental contamination risks due to the bacteria’s biological nitrogen-fixation capacity. The aim of the present study was to evaluate the effect of corn seed inoculation with Azospirillum brasilense under different nitrogen levels and post-grazing residual heights. The experiment was performed in two growing seasons and conducted in an integrated crop-livestock system for the 2014/15 and 2015/16. A factorial randomized block experimental design with sub-divided plots and three factors. The main plots varied in post-grazing residual height (0.10, 0.20, 0.30 m, continuous grazing, or no grazing), the subplots varied in inoculation (with or without...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Forage; N fertilization; Diazotrophic bacteria.; Manejo e tratos culturais.
Ano: 2018 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/39481
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‘Navelina’ oranges submitted to pre-harvest resistance inducers Agronomy
Kirinus, Marines Batalha Moreno; Barreto, Caroline Farias; Silva, Pricila Santos da; Oliveira, Roberto Pedroso de; Malgarim, Marcelo Barbosa; Fachinello, José Carlos.
 The objective of this study was to evaluate the physical-chemical characteristics, rot index and bioactive compounds of ‘Navelina’ oranges under postharvest refrigerated storage conditions after pre-harvest resistance induction in crops from 2015 and 2016. The field experimental design was completely randomized blocks. The treatment factors were composed of the following resistance inducers: noresistance inducer (control), selenium (Se), silicon (Si), acibenzolar-s-methyl (ASM), methyl jasmonate (MeJa), thiamethoxam (TMT) and imidacloprid (IMI). In the laboratory, the experimental design was the same as that in the field, but it used a two-factor scheme instead of a unifactorial scheme. In the two-factor scheme, factor A was composed of the abovementioned...
Tipo: Info:eu-repo/semantics/article Palavras-chave: 5.01.00.00-9; 5.01.03.00-8; 5.01.03.06-7; 5.01.03.01-6 Citrus sinensis; Navel orange; Elicitors; Refrigerated storage; Rotting. Fisiologia de Plantas Cultivadas; Manejo e tratos culturais.
Ano: 2018 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/39465
Registros recuperados: 7
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