Tópicos Sugeridos dentro de su búsqueda.
Tópicos Sugeridos dentro de su búsqueda.
1
artículo
Publicado 2022
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Potato consumption occurs throughout the Altiplano of Puno and among the organic wastes produced daily at home is potato peelings. The objective of this research is the production of tubers from buds present in potato peels with four strains of Trichoderma sp. The study was carried out under an experimental design with four strains of Trichoderma sp, in a randomized way with a total of 5 treatments that were distributed with two repetitions with a total of 12 experimental units, the potato peels with buds were selected, including a fertilization with four native and commercial strains of Trichoderma, some of them were codified since the species has not yet been identified, to support the growth of seedlings so, in this way, it gives value to the "organic production". The results found evidenced that the greater quantity of tubers was obtained with the strain of Trichoderma sp. 3 with 121...
2
artículo
Publicado 2022
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Potato consumption occurs throughout the Altiplano of Puno and among the organic wastes produced daily at home is potato peelings. The objective of this research is the production of tubers from buds present in potato peels with four strains of Trichoderma sp. The study was carried out under an experimental design with four strains of Trichoderma sp, in a randomized way with a total of 5 treatments that were distributed with two repetitions with a total of 12 experimental units, the potato peels with buds were selected, including a fertilization with four native and commercial strains of Trichoderma, some of them were codified since the species has not yet been identified, to support the growth of seedlings so, in this way, it gives value to the "organic production". The results found evidenced that the greater quantity of tubers was obtained with the strain of Trichoderma sp. 3 with 121...
3
artículo
Publicado 2014
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The effect of two commercial enzymes (Allzyme Vegpro® and RovabioTM Excel) onthe in situ digestibility and kinetics of the dry matter of sugarcane bud (Saccharumofficinarum) was evaluated. The substrate was dried, grounded, passed through a 3 mmsieve, and incubated with the enzymes for 30 minutes. The concentration of the enzymeswas 1% of the substrate. In addition, a substrate without treatment was considered ascontrol treatment. A randomized experimental design, with four periods, three treatmentsand two replicates per period was used. The samples (1.8 g) in dracon bags were placedin the first stomach compartment of one fistulated alpaca and six digestion times (6, 12,24, 48, 72 and 96 h) were applied. The parameters evaluated in digestion kinetics wereinitial digestibility, degradable fraction, degradation rate, potential digestion and averagetime. The dry matter (ISDMD) in situ dige...
4
artículo
Publicado 2020
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Physalis peruviana L. "aguaymanto" is a Solanaceae highly prized in countries such as Peru, Colombia and Ecuador due to its high nutritional value and numerous medicinal properties. Its cultivation has high variability because it is propagated by seeds, which makes it necessary to maintain its homogeneous morphological and productive characteristics. An alternative is in vitro micropropagation to subsequently achieve its technification and industrialization. Therefore, the objective of this work was to induce shoots and roots in hypocotyls and cotyledons of P. peruviana L. using auxins and cytokinins. Nine combinations were made between the concentrations of 2,4-D (0.25, 0.5 and 1.0 mg / l) and BAP (0.1, 0.25 and 1.0 mg / l), in which 20-day-old explants were introduced. The basal medium was that of Murashige & Skoog supplemented with 3% sucrose, phytagel (0.5%) and pH 6. After 70 da...
5
artículo
Publicado 2020
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Physalis peruviana L. "aguaymanto" is a Solanaceae highly prized in countries such as Peru, Colombia and Ecuador due to its high nutritional value and numerous medicinal properties. Its cultivation has high variability because it is propagated by seeds, which makes it necessary to maintain its homogeneous morphological and productive characteristics. An alternative is in vitro micropropagation to subsequently achieve its technification and industrialization. Therefore, the objective of this work was to induce shoots and roots in hypocotyls and cotyledons of P. peruviana L. using auxins and cytokinins. Nine combinations were made between the concentrations of 2,4-D (0.25, 0.5 and 1.0 mg / l) and BAP (0.1, 0.25 and 1.0 mg / l), in which 20-day-old explants were introduced. The basal medium was that of Murashige & Skoog supplemented with 3% sucrose, phytagel (0.5%) and pH 6. After 70 da...
6
artículo
Publicado 2020
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Physalis peruviana L. "aguaymanto" is a Solanaceae highly prized in countries such as Peru, Colombia and Ecuador due to its high nutritional value and numerous medicinal properties. Its cultivation has high variability because it is propagated by seeds, which makes it necessary to maintain its homogeneous morphological and productive characteristics. An alternative is in vitro micropropagation to subsequently achieve its technification and industrialization. Therefore, the objective of this work was to induce shoots and roots in hypocotyls and cotyledons of P. peruviana L. using auxins and cytokinins. Nine combinations were made between the concentrations of 2,4-D (0.25, 0.5 and 1.0 mg / l) and BAP (0.1, 0.25 and 1.0 mg / l), in which 20-day-old explants were introduced. The basal medium was that of Murashige & Skoog supplemented with 3% sucrose, phytagel (0.5%) and pH 6. After 70 da...
7
artículo
Publicado 2020
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Physalis peruviana L. "aguaymanto" is a Solanaceae highly prized in countries such as Peru, Colombia and Ecuador due to its high nutritional value and numerous medicinal properties. Its cultivation has high variability because it is propagated by seeds, which makes it necessary to maintain its homogeneous morphological and productive characteristics. An alternative is in vitro micropropagation to subsequently achieve its technification and industrialization. Therefore, the objective of this work was to induce shoots and roots in hypocotyls and cotyledons of P. peruviana L. using auxins and cytokinins. Nine combinations were made between the concentrations of 2,4-D (0.25, 0.5 and 1.0 mg / l) and BAP (0.1, 0.25 and 1.0 mg / l), in which 20-day-old explants were introduced. The basal medium was that of Murashige & Skoog supplemented with 3% sucrose, phytagel (0.5%) and pH 6. After 70 da...
8
artículo
Publicado 2022
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In Peru, Passiflora ligularis (Juss, 1805) (granadilla) is one of the passionflowers with the highest demand in the market. Diptera of the genus Dasiops (Lonchaeidae) are detrimental to the cultivation of passionflowers because the larvae feed on the internal structures of flower buds, flowers and fruits, causing between 50 and 60% losses in the production of said crops. This research aimed to determine the incidence of Dasiops sp. in flower buds of a granadilla crop and the climatological factors (temperature, precipitation and relative humidity) of the San Pedro de Grapanazú Farm (Huancabamba - Oxapampa, Pasco, Perú), during the dry season, between the months of September and October 2020. The experimental and exploratory protocol consisted of three fortnightly collections of 50 flower buds, which were dissected to determine the incidence of Dasiops sp.; in addition, 120 flower buds ...
9
artículo
Publicado 2015
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It was determined the effect of 2,4-dichlorophenoxyacetic acid ( 2,4- D ) in the rooting of cauline buds of Rubus idaeus L. in greenhouse conditions as a possible alternative in efficient and reproducible propagation of this crop.Was evaluated the effect of concentrations of 2,4 – D, used in the treatments T0: 0.0% , T1: 0.3 %, T2: 0.5% and T3: 0.8 %. The obtained data were statistically analyzed by the simple variance analysis (ANOVA); and Tukey test. At 30 days it was found that the T1induced the formation of a greater number of roots 6.17cm, greater root length of 13.09 cm and a height of plant 9.13 cm. It is concluded that 2,4-dichlorophenoxyacetic concentrationof0.3% exerted the best effect for rooting from cauline buds of Rubus idaeus L.
10
artículo
Publicado 2015
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It was determined the effect of 2,4-dichlorophenoxyacetic acid ( 2,4- D ) in the rooting of cauline buds of Rubus idaeus L. in greenhouse conditions as a possible alternative in efficient and reproducible propagation of this crop.Was evaluated the effect of concentrations of 2,4 – D, used in the treatments T0: 0.0% , T1: 0.3 %, T2: 0.5% and T3: 0.8 %. The obtained data were statistically analyzed by the simple variance analysis (ANOVA); and Tukey test. At 30 days it was found that the T1induced the formation of a greater number of roots 6.17cm, greater root length of 13.09 cm and a height of plant 9.13 cm. It is concluded that 2,4-dichlorophenoxyacetic concentrationof0.3% exerted the best effect for rooting from cauline buds of Rubus idaeus L.
11
artículo
Publicado 2015
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It was determined the effect of 2,4-dichlorophenoxyacetic acid ( 2,4- D ) in the rooting of cauline buds of Rubus idaeus L. in greenhouse conditions as a possible alternative in efficient and reproducible propagation of this crop.Was evaluated the effect of concentrations of 2,4 – D, used in the treatments T0: 0.0% , T1: 0.3 %, T2: 0.5% and T3: 0.8 %. The obtained data were statistically analyzed by the simple variance analysis (ANOVA); and Tukey test. At 30 days it was found that the T1induced the formation of a greater number of roots 6.17cm, greater root length of 13.09 cm and a height of plant 9.13 cm. It is concluded that 2,4-dichlorophenoxyacetic concentrationof0.3% exerted the best effect for rooting from cauline buds of Rubus idaeus L.
12
artículo
Publicado 2024
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Este trabajo tuvo como objetivo investigar los efectos del extracto de tomate y las concentraciones de benciladenina (BA) en el crecimiento de brotes in vitro de Cattleya sp. El estudio se llevó a cabo de marzo a julio de 2023 en el Laboratorio de Cultivo de Tejidos de la Fundación Hidayatul Islam, Medan, Indonesia. Se emplearon cuatro concentraciones de extracto de tomate (0 %, 5 %, 10 %, 15 %) y tres concentraciones de BA (0 ppm, 2 ppm, 4 ppm) con base en el diseño factorial completo aleatorizado (CRD). Los parámetros observados incluyen el tiempo de aparición de los brotes, el número de brotes, el número de hojas, la altura de las plántulas, el número de raíces y el momento de la aparición de las raíces. Para el análisis estadístico se aplicó el Análisis de Varianza (ANOVA) seguido de la Comparación Múltiple de Tukey a α = 0.05. El resultado mostró que la emergenci...
13
artículo
Publicado 2014
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Se evaluó el efecto de dos complejos enzimáticos comerciales (Allzyme Vegpro® y RovabioTM Excel) sobre la digestibilidad in situ y la cinética de digestión de la materia seca del cogollo de caña de azúcar (Saccharum officinarum). El sustrato fue secado,molido, pasado por un tamiz de 3 mm y tratado con las enzimas 30 min antes de la incubación. La concentración del complejo enzimático fue del 1% respecto al sustrato. Además, se usó sustrato sin ser tratado como tratamiento control. El diseño experimental fue de bloques al azar con cuatro periodos, tres tratamientos y dos repeticiones por periodo. Las muestras (1.8 g) en bolsas de dacrón fueron colocadas en el primer compartimiento digestivo de una alpaca fistulada empleándose seis tiempos de digestión (6, 12, 24, 48, 72 y 96 h). En la cinética de digestión se evaluó la digestibilidad inicial, fracción degradable, tasa ...
14
artículo
Publicado 2025
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Cocoa production is the livelihood of plenty of smallholders, particularly in developing countries such as Peru, where the production of Theobroma cacao has a social and economic impact. However, one of the most important problems in cocoa production is the low productivity caused by the aging of the cacao trees. In this context, we carried out an experiment to evaluate the response of CCN 51, VRAE 99, VRAE 15 and Porcelana genotypes to rehabilitation pruning. The pruning was done at one meter above the ground during the month of February in the district of Vizcatán del Ene (Satipo). On overall, the results pointed out that CCN 51 and VRAE 99 presented greater number, length and diameter of buds; they also showed greater number of nodes, length of internodes, length and width of leaves and fresh and dry matter than Porcelana (p ≤ 0.05). Furthermore, CCN 51, VRAE 99 and VRAE 15 showed ...
15
artículo
Publicado 2023
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Strawberry (Fragaria x ananassa Duch.) is an important fruit for human consumption. It is species are vegetatively propagated by runners. At present, micropropagation is the most suitable way of commercial strawberry propagation. It is possible to produce disease-free plants through micropropagation. Plant growth regulators play an essential role in micropropagation of plants with traits of agronomic interest. The objective of this study was to develop a protocol for shoot multiplication and in vitro rooting of strawberry var. ‘Aromas’, using shoot buds as explants, cultivated in MS medium supplemented with different concentrations of plant growth regulators. For shoot multiplication, in vitro shoot clusters were used and cultivated in MS medium supplemented with different auxin and cytokinin concentrations. Shoots obtained in the best multiplication treatment after two months ...
16
artículo
Publicado 2023
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Strawberry (Fragaria x ananassa Duch.) is an important fruit for human consumption. It is species are vegetatively propagated by runners. At present, micropropagation is the most suitable way of commercial strawberry propagation. It is possible to produce disease-free plants through micropropagation. Plant growth regulators play an essential role in micropropagation of plants with traits of agronomic interest. The objective of this study was to develop a protocol for shoot multiplication and in vitro rooting of strawberry var. ‘Aromas’, using shoot buds as explants, cultivated in MS medium supplemented with different concentrations of plant growth regulators. For shoot multiplication, in vitro shoot clusters were used and cultivated in MS medium supplemented with different auxin and cytokinin concentrations. Shoots obtained in the best multiplication treatment after two months ...
17
artículo
Publicado 2015
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Se determino el efecto del 2,4-diclorofenoxiacético (2,4-D) en el enraizamiento de brotes caulinares de Rubus idaeus L., en condiciones de invernadero como una alternativa posible, eficaz y reproducible en la propagación de este cultivo. Se evaluó el efecto de concentraciones de 2,4-D, aplicados en los tratamientos T0:0,0%, T1: 0,3%, T2:0,5% y T3:0,8%. Los datos obtenidos fueron analizados estadísticamente por el Análisis de varianza simple (ANOVA); y la Prueba de Tukey. A los 30 días se obtuvo que el T1 indujo la formación de un mayor número de raíces 6.17 cm, una mayor longitud de raíces de 13.09 cm y una mayor altura de planta 9.13 cm. Se concluye que el 2,4- diclorofenoxiacético a la concentración de 0,3% ejerce el mejor efecto para el enraizamiento de brotes caulinares de Rubus idaeus.L..
18
tesis de grado
El presente trabajo de investigación tiene el propósito de indagar en la relevancia de las startups como agentes dinamizadores para el desarrollo de las economías incipientes. Por tal razón, se busca determinar el valor útil de las startups en el desarrollo financiero de las economías incipientes a través de la investigación bibliográfica de artículos académicos. En nuestro estudio, revisamos algunas definiciones y alcances de las startups. Asimismo, determinamos cuáles son las principales características de las economías incipientes y explicamos los principales aportes de las startups. Además, determinamos la relevancia financiera e impacto de las startups en este tipo de economías. El alcance de nuestro estudio aborda el avance del uso de la tecnología y la innovación donde se observa un importante crecimiento de las startups como alternativas de negocio. En los últi...
19
artículo
Publicado 2016
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The authors gratefully acknowledge the Consejo Nacional de Ciencia, Tecnología e Innovación Tecnológica (CONCyTEC-Perú, process number 219-2014) and Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq-Brazil, process number 449609/2014-6) for financial support.
20
artículo
Publicado 2011
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Ismene amancaes “amancay” is a bulbose species typical of the central coast vegetation of Peru called “lomas”. This species sprouts in June during the beginning of the winter-fog period. It has large yellow, aromatic flowers valued for their ornamental value. Our goal was to examine the reproductive development of Ismene amancaes in its natural environment, and we recorded monthly observations during a yearlong study. Observations of the interior of the bulbs allowed recording of the beginning of floral bud formation and development, relating them to leaf formation and edaphic humidity. We found that the first floral buds develop the year before their emergence in December, reaching a maximum number of floral buds in February, during the Summer. Floral bud differentiation starts after leaves that will emerge the following year have developed. This occurs during a period of maximu...
