Efecto del bioproducto CBQ-AgroG® sobre la respuesta morfofisiológica y agronómica de frijol común cultivar ‘CIAP 7247'

The lack of chemical fertilizers has stimulated the use of alternatives to increase plant growth and production such as the use of bioproducts. The objective of the work was to evaluate the effect of microbial origin CBQ-AgroG® bioproduct on the physiological and agronomic response of Phaseolus vulgaris L. cultivar 'CIAP-7247'. Seeds with basic category were used and three doses of the CBQ-AgroG® bioproduct (10.0, 20.0 and 30.0 l ha-1) were used and compared with an absolute control and a relative control (Fitomas E, 2.0%). The height, number of leaves per plant, fresh mass, dry mass and leaf area were evaluated. In addition, the agricultural yield and its components were estimated. Plants increased height up to 45 days after sowing. The maximum values of the morphophysiological variables number of leaves, leaf area, fresh and dry mass were reached 45 days after sowing. Subsequently, they decreased until reaching physiological maturity. With the doses of 20.0 and 30.0 l ha-1, all the morphophysiological and agronomic indicators reached significantly higher values with respect to the rest of the treatments. The first dose is recommended as it is cheaper.La carencia de fertilizantes químicos ha estimulado el uso de alternativas para incrementar el crecimiento vegetal y la producción como el uso de bioproductos. El trabajo tuvo como objetivo evaluar el efecto del bioproducto de origen microbiano CBQ-AgroG® sobre la respuesta fisiológica y agronómica de Phaseolus vulgaris L. cultivar ‘CIAP-7247´. Se utilizaron semillas con categoría básica y se emplearon tres dosis del bioproducto CBQ-AgroG® (10.0, 20.0 y 30.0 l ha-1) y se compararon con un control absoluto y un control relativo (Fitomas E, 2.0%). Se evaluó la altura, número de hojas por planta, masa fresca, masa seca y área foliar. Además, se estimó el rendimiento agrícola y sus componentes. Las plantas incrementaron la altura hasta los 45 días después de la siembra. Los máximos valores de la variables morfofisiológicas número de hojas, área foliar, masa fresca y seca se alcanzaron a los 45 días después de la siembra. Posteriormente decrecieron hasta alcanzar la madurez fisiológica. Con las dosis de 20.0 y 30.0 l ha-1 todos los indicadores morfofisiológicos y agronómicos alcanzaron valores significativamente superiores con respecto al resto de los tratamientos. Se recomienda la primera dosis por ser más económica

Effect of ozone (O3) on seed vigor of sorghum (Sorghum bicolor [L.] Moench) variety UDG-110

This research was done in the Insect Pathology Laboratory of the Agricultural Research Center (CIAP) at Marta Abreu Central University of Las Villas. The goal was to determine the effect of the ozone (O3) treatment on the vigor of S. bicolor seeds (variety UDG-110). Germination tests, electrical conductivity test and seedling growth rate tests were conducted. The electrical conductivity was low in the treatment of 48 h. In the 72 h treatment, the conductivity was higher than in the other treatments; but it was not significantly different from the control. Root and shoot length parameters were not affected by ozone. Ozone was proved to enhance the germination percentage, but it does not affect the vigor of S. bicolor seeds

Zabrotes subfasciatus preference for common bean seeds of 23 cultivars

In the Laboratory of Pathology of insects of the Central University "Marta Abreu" of Las Villas, the attraction of Z. subfasciatus was evaluated by seeds of 23 cultivars of common bean (Phaseolus vulgaris L.) to perform the oviposition. In the experiment, the position of the insects was evaluated every 24 hours, the number of oviposited eggs on the seeds, the percentage of fertility, the percentage of damaged seeds, the intensity of the infestation and the emergence of the emergence of adults per cultivar were evaluated. Z. subfasciatus oviposited on the evaluated bean cultivars, independently of the color of the testa. The less preferred cultivars by the insect were BAT 304, Holguín 518, Güira 89, ICA Pijao, Selection N 26, Carrillo, Pilón and BAT 202. It is recommended to evaluate the presence of factors causing antibiosis on Z. subfasciatus in the less preferred cultivars by the insect how arcelines proteins

Tithonia diversifolia, Moringa oleifera and Piper auritum: Alternatives for the control of Sitophilus oryzae

With the objective to determine the effect exerted by vegetable powders of Tithonia diversifolia (Hemsl) A. Gray, Moringa oleifera (Lam) y Piper auritum Kunth on Sitophilus oryzae L., this experiment was performed. In the execution, adult insects were taken to evaluate the increase of them. Petri dishes of 9 cm with 10 insects were used inside additionally 5 g of rice (Oryza sativa L.) and 0.4 g of powder was added botanical species (T. diversifolia, M. oleifera, P. auritum previously dried at 40 0C for 72 hours and finely ground). At 40 days the test mounted, the number of insects present per plate was counted, and after testing, Z Multiple Comparison was performed using the software Stadistix. The results allowed us to conclude that these plant species are a viable alternative for the control of S. oryzae

Major insect pests of sorghum storage in the province of Villa Clara

Sorghum (Sorghum bicolor (L.) Moench) during storage is infested by several insect specieswithin which weevils mentioned as the most important. Because of this, the present study aimed to identify arthropods affecting sorghum seeds stored in the province of Villa Clara, Cuba. For which a diagnosis was made in the 13 municipalities of the province. In the execution of the state facilities and storage sites visited smallholders. Additionally were used historical records of incidents of insects intercepted in sorghum seeds in the period from 1991 to 2012. The information obtained allowed forming a database with the name, order, family, locality and year reported that each of the agencies. In Villa Clara were identified 11 species of arthropods incident on stored grain. Cheyletus malaccensis Oudemans (Trombidiformes: Cheyletidae) and Anisopteromalus calandrae Howard (Hymenoptera: Pteromalidae) were both beneficial species intercepted; Sitophilus oryzaeL. whereas it was more often influenced in stored sorghum

Effect of ozone (O3) on stored seeds of common bean (Phaseolus vulgaris L.)

The present work was carried out at the Laboratory of Insect Pathology of the Center for Agricultural Research (CIAP), located at the Universidad Central "Marta Abreu" de Las Villas, with the aim to evaluate the effect of the ozone (O3) treatment on the seed vigor of P. vulgaris. To determine the effect of the ozone on the seed vigor, a germination test, electrical conductivity test and emergency tray test were performed on two common bean varieties (BAT-304 and Delicias-364). Ozone did not affect the vigor of the seeds of the varieties BAT-304 and Delicias-364. The exposure time of P. vulgaris seeds to 150 ppm of O3 did not affect the parameters of germination speed and the percentage of germination of the seeds

Entomofauna associated to soybean [Glycine max (L.) Merr.] in direct seeding and conventional tillage

The main purpose of this research work was to investigate the effect of the direct seeding and conventional tillage of soybean on the incidence of plagues and natural enemies. The study was carried out on the farm “Día y Noche” of the Basic Unit of Cooperative Production “28 de Octubre” (UBPC, for its Spanish acronym), and in the Laboratories of the Agricultural Research Center of Central University of Las Villas. Field experiments were conducted on an Inceptisol, since November 2013 to May 2014. The soybean cultivar Incasoy – 27 was used. The insects in relation to the development stages of the plant were identified and quantified. In both systems 10 species of phytophagous insects and one of entomophagous insects were quantified; Hedylepta indicata L. stands out with more presence in the direct seeding, while Diabrotica balteata LeConte and the species belong to the family Pentatomidae caused most damage to the plants in conventional tillage

New varieties of common bean (Phaseolus vulgaris L.) for the Agricultural Enterprise "Valle del Yabú", Santa Clara, Cuba

sowing period, common bean, agricultural performance, varietie

Tecnologías digitales : miradas críticas de la apropiación en América Latina

Este libro indaga desde múltiples preguntas y perspectivas las transformaciones provocadas por el incremento descomunal del flujo de información generada por el uso masivo e intensivo de las tecnologías digitales. El estudio de las apropiaciones por parte de la sociedad configura un mosaico desigual y combinado de usos y empleos de las tecnologías digitales. ¿Cómo han impactado en los grupos sociales, económicos y generacionales los usos de las tecnologías? ¿Que desafíos entrañan y que problemas nuevos generan las herramientas cotidianas a través de las cuales conocemos y nos comunicamos con nuestro entorno y el mundo

Ciencia Odontológica

Es para los integrantes de la Red de Investigación en Estomatología (RIE) una enorme alegría presentar el primero de una serie de 5 libros sobre casos clínicos, revisiones de la literatura e investigaciones. La RIE está integrada por cuerpos académicos de la Universidad Autónoma del Estado de Hidalgo, Universidad Autónoma del Estado de México, Universidad Autónoma de Campeche y Universidad de Guadalajara