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| Registros recuperados: 755 | |
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| Checa Coral,Oscar Eduardo; Toro Criollo,Maribel; Descanse Vallejo,Jesica. |
| Abstract The antagonistic effectiveness of native strains of Trichoderma spp. on Fusarium oxysporum f. sp. pisi. in vitro, greenhouse and field conditions, were evaluated. in vitro conditions, the antagonistic capacity of 12 strains of Trichoderma spp., C2, C7, C12 and C21 strains, exhibited a better behavior measured by the following variables: inhibition halo and mycelial growth. In greenhouse conditions, the four strains, which showed the best in vitro antagonistic behavior, were evaluated using a DIA experimental design with factorial arrangement for three factors, which corresponded to strain, concentration and dose. The results of this evaluation, showed that C12 and C21strains at doses of 20 mL, and at concentrations of 108 and 106 conidia.mL-1,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Antagonistic capacity; Inhibition halo; Inoculum; In vitro; Field conditions; Greenhouse; Mycelial growth. |
| Ano: 2017 |
URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0120-28122017000300442 |
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| López,Nelson Loyola; Hernández Valenzuela,Patricio; Pino Torres,Carlos. |
| Cerezas cv. Sweet Heart® de un cultivo orgánico en la comuna de Los Angeles, región del BíoBío, Chile, sometidas a los tratamientos:T0, control; T1, con 1.5% de sucralosa y T2, con 2.0% sucralosa. Se almacenaron en cajas de 5 kg con bolsas FreshView en A.M., conservadas por 20, 35 y 50 días a temperatura de 0 ± 0.5 °C y humedad relativa de 90 ± 0.5%. Después de 35 dias, las cerezas con el tratamiento (T1) exhibieron la menor pérdida de peso. Esta tendencia fue mantenida al día 50, al utilizar sucralosa (T1 y T2), con menor pérdida de peso respecto al tratamiento T0. La fruta con cobertura, mostró una leve disminución en la presión de pulpa, pero siempre sobre el valor límite menor recomendado en unidades Durofel. La sucralosa aplicada permitió incrementar... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Coberturas protectoras; Post cosecha; Almacenamiento cereza. |
| Ano: 2014 |
URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0120-28122014000200003 |
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| Hernández,Alejandro Escobar; Márquez Cardozo,Carlos Julio; Restrepo Flores,Claudia Estela; Cano Salazar,Jaime Andrés; Patiño Gómez,Jairo Humberto. |
| El consumo creciente ha estimulado el desarrollo de los vegetales cuarta gama o mínimamente procesados. Actualmente, se promueve el uso de tecnologías aplicadas a estos productos que les brinden mayor duración y garanticen la reducción de pérdidas poscosecha. En esta investigación se evaluó el efecto de tres de estas tecnologías poscosecha sobre la intensidad de la respiración y la calidad sensorial general de las hortalizas mínimamente procesadas: brócoli (Brassica oleracea var. Itálica), coliflor (Brassica oleracea var. Botrytis), zucchini (Cucurbita pepo L.), apio (Apium graveolens), zanahoria (Daucus carota) y chayote (Sechium edule). Para el recubrimiento comestible se utilizó pectina de bajo metoxilo (2%), cera carnauba (1%), glicerol (1.5%) y ácido... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Hortalizas; Propiedades sensoriales; Respiración; Tecnologías poscosecha. |
| Ano: 2014 |
URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0120-28122014000100001 |
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| Espinosa Álvarez,Carolina; López Contreras,Javiera; Escobar Rodríguez,Darling; Jiménez Rondón,Diana; Bugueño Muñozí,Waldo; Cerezal Mezquita,Pedro. |
| Abstract Microencapsulation protects different bioactive compounds (anthocyanins) from environmental factors, increasing their half-life. In this study, the extraction and microencapsulation conditions for purple cabbage anthocyanins were determined, in addition to stability of the natural pigment obtained in a fermented milk beverage. Scalded was used for enzymatic inactivation in purple cabbage (Brassica oleracea L. ssp. Capitata f. Rubra) leaves, the extraction of bioactive compounds was carried out using green technologies (microwaves), concentrating the anthocyanin solution and mixing with wall materials such as maltodextrin, inulin and gum arabic for microencapsulation and addition to fermented milk beverage. The color stability was determined for 8... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Brassica oleracea; Microwave; Microcapsule; Natural pigments. |
| Ano: 2019 |
URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0120-28122019000200134 |
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| Rosero Erazo,Jhon Alexander; García Dávila,Mario Augusto; Lagos Burbano,Tulio César; Duarte Alvarado,David Esteban; Lagos Santander,Liz Katherine. |
| Resumen La uchuva Physalis peruviana originaria de los valles interandinos de América del Sur, es actualmente uno de los frutos exóticos de mayor relevancia para Colombia; su demanda para exportación busca que se posea características ideales de rendimiento y calidad de fruto. El objetivo es determinar los parámetros genéticos de Aptitud Combinatoria de nueve líneas endogámicas de uchuva bajo condiciones de la región natural Andina del departamento de Nariño. Se evalúan 36 híbridos de uchuva obtenidos a partir de nueve líneas endogámicas 12U347, 12U350, 12U352, 12U357, 12U360, 12U368, 12U374, 12U377, y 12U39, en cuatro localidades del departamento de Nariño: Gualmatán, Puerres, Pasto e Ipiales, con el fin de determinar los efectos de aptitud combinatoria... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Dialelo; ACG; ACE; Doble haploide. |
| Ano: 2021 |
URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0120-28122021000400345 |
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| Cañadas-López,Álvaro Gustavo; Rade-Loor,Diana Yasbhet; Quijije-Pinargote,Raúl Ovidio; Sotomayor,Ignacio Antonio; Ormaza-Molina,Alexandra Maricela. |
| Abstract Tomato (Solanum lycopersicum L.) processing industry requires varieties with increased production and quality, and also with resistance to pest, in order for producers to cultivate these. The aim of this study was to carry out an evaluation of 112 tomato cultivars for production and quality characteristics from the following providers: Orsetti Seed, Heiz Seed, Ohio University, United Genetic and Harrys Moran. The experiment was conducted at the Experimental Research Station Portoviejo of INIAP. Statistical analyses used were principal components analysis for a group of112 cultivars based on production parameter: yield (t.ha-1), average fruit weight (g), number of fruits per plant, defective fruits per plant; in addition to quality parameters as:... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Variability; Production; Quality; Paste; Food processing; Breeding program. |
| Ano: 2018 |
URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0120-28122018000200347 |
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| Chire-Fajardo,Gabriela Cristina; Valdivia-Arrunategui,Rocío Alicia; Orihuela-Rivera,Carmen Adela; Ureña- Peralta,Milber Oswaldo. |
| Abstract: The quality of the main chocolates marketed in Peru was determined. The physical aspect: color (C *, H *, IB), hardness and particle size, as well as physicochemical: water activity (aw), moisture, fat and ash, correlating with the declaration of ingredients presented in the packaging. We evaluated 30 experimental units of chocolates (imported, domestic, dark chocolate and milk) by experimental methods, randomly acquired from different establishments. The difference between color and hardness by origin was attributed to the dairy component. Dark chocolate had lower values of color components (8.75 ± 0.94 C *, 7.60 ± 4.71 H * and 28.46 ± 0.86 IB) than milk constituents (15.04 ± 2.78 C, 34.59 ± 7.46 H * and 34.55 ± 2.87 IB) and in hardness values... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Ash; Color; Fat; Moisture; Particle size; Texture; Water activity. |
| Ano: 2017 |
URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0120-28122017000200164 |
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| Salazar-Mercado,Seir Antonio; Vega-Contreras,Nelson Alfonso. |
| Abstract Cattleya trianae (Linden & Reichb.f., 1860), Colombian national flower, is in danger of extinction due to the destruction of its natural habitats and excessive collection for horticultural purposes. Therefore, in vitro culture is a tool for the conservation of threatened species. In this study we determined the most suitable culture medium for asimbytic seed germination and in vitro propagation of C. trianae. Initially, mature capsules were collected, the seeds were subsequently disinfected and seeded with the syringe method (Vendrame et al., 2007), to evaluate the effect of five media on the development of C. trianae after 20 weeks. The seedlings were transplanted and acclimated using different substrates. The best percentage (54.2%) of... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Organic additives; Coconut water; Pineapple juice; In vitro propagation. |
| Ano: 2017 |
URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0120-28122017000400544 |
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| Mejía Kerguelen,Sergio; Rao,Idupulapati; Ramírez,Hernando; Louw-Gaume,Annabé; Gaume,Alain; Frossard,Emmanuel. |
| RESUMEN Se evaluaron en invernadero en un suelo de Matazul, Meta, Colombia durante 6 semanas, 2 genotipos de Brachiaria (uno mejor adaptado a bajo P, B. decumbens y otro menos adaptado, B. ruziziensis) y 8 progenies del cruzamiento entre ellos ( mejores adaptados: H-7, H-40, H-28, H-58; menos adaptados: H-190, H-94, H-82, H-179). Los genotipos mejor adaptados presentaron mayor biomasa aérea, explicada por mayor área foliar, mayor absorción de P en el tallo y mayor volumen de raíz. Las características morfológicas de las raíces, principalmente longitud, peso seco y contenido de P, permiteron mejor adaptación a bajo P disponible en el suelo. El periodo de evaluación fue suficiente para observar diferencias entre progenies. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: B. decumbens; B. ruziziensis; Híbridos; Absorción de fósforo. |
| Ano: 2009 |
URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0120-28122009000100001 |
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| Loss,Arcângelo; Robles Angelini,Guilherme Augusto; Callegario Pereira,Ana Carolina; Lã,Otávio Raymundo; Lima Magalhães,Márcio Osvaldo; Ribeiro da Silva,Eliane Maria; Saggin Junior,Orivaldo José. |
| Este trabalho teve como objetivo caracterizar alguns atributos químicos do solo e avaliar a comunidade de fungos micorrízicos arbusculares (FMAs) em uma área de pastagem e um sistema agroflorestal (SAF). A área de estudo está localizada na "Fazendinha Agroecológica do Km 47", 22° 45'S, 43° 41'W, no município de Seropédica, Rio de Janeiro, Brasil. Foram coletadas amostras de solo na profundidade de 0-5 cm e quantificados os teores de carbono orgânico total (COT), Ca, Mg, pH, P e K. Os FMAs foram quantificados e posteriormente identificados. Os resultados encontrados foram analisados como delineamento inteiramente casualizado, com aplicação do teste F. Verificaram-se valores estatisticamente maiores de COT, Ca, Mg e K no SAF, assim como o maior número de... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Aquisição de nutriente; Potencial de infectividade; Ecologia microbiana; Colonização micorrízica. |
| Ano: 2009 |
URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0120-28122009000200005 |
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| Registros recuperados: 755 | |
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