Gustavo Yasser Lorente González

Centro de Bioplantas · Agrobiology

Maturity of the seeds can affect their potential longevity. It has been shown that components related to seed quality develop after the moment when the seed has reached its maximum dry mass, known as harvest maturity. In this state seeds have already developed critical adaptation mechanisms, such as detoxification of reactive oxygen species (ROS),...

Projections of warming temperatures as a consequence of climate change will have impacts on food production globally. This heat stress coupled with increased solar radiation, will affect the well-being of livestock. In many regions of the world, local breeds are reared as they demonstrate improved tolerance to local conditions resulting in minimal...

One of the projected effects of climate change is a reduction in rainfall in certain regions of the world. Hence, the agricultural and livestock sectors will have to cope with increasing incidences of water shortage while still maintaining productivity levels to feed an ever increasing global population. This short communication reports on the effe...

Although pineapple (Ananas comosus var. comosus) shoot tips have been cryopreserved but the possible effect of this process at the molecular level has not been studied. This communication describes the growth (plant fresh and dry weights; stem height; leaf length, width and area; and stem base diameter) and the Inter Simple Sequence Repeat (ISSR) a...

El queso procesado o fundido se ha convertido en una buena alternativa para las industrias lácteas, debido a que tiene un período de vida útil prolongado y presenta mejor facilidad de manejo en las empresas. El objetivo de la investigación fue establecer una proporción adecuada de sales fundentes que permita alcanzar la textura requerida en el ques...

One of the projected effects of climate change is a reduction in rainfall in certain regions of the world. Hence, the agricultural and livestock sectors will have to cope with increasing incidences of water shortage whilst still maintaining productivity levels to feed an ever increasing global population. This short communication reports on the eff...

Contamination of water through salinization will affect the well-being of livestock. Therefore, it is necessary to understand how animals respond to increasing levels of salts in their water supply. This short communication describes the effects of a two-week salinity stress (0, 6, 12 g L− 1 NaCl) on Pelibuey sheep. The parameters measured in respo...

Biostimulants can increase yields in the ‘MD-2’ pineapple crop. The following work evaluated the effect of foliar application of a brassinosteroid analogue (Biobras-16) on the vegetative growth index of ‘MD-2’ pineapples plants and fruits. A biweekly foliar treatment of Biobras-16 at 2.0 mg L-1 was applied, at a rate of one liter every 160 plants o...

The examination of genetic stability is one of the most important issue in the evaluation of cryopreservation techniques. This research was aimed at determining if there are changes at the phenotypic and molecular level in tobacco plants derived from cryopreserved seeds. The seeds of the cultivar "Sancti Spíritus 96" were harvested 35 d after anthe...

Biostimulants can increase yields in the 'MD-2' pineapple crop. The following work evaluated the effect of foliar application of a brassinosteroid analogue (Biobras-16) on the vegetative growth index of 'MD-2' pineapples plants and fruits. A biweekly foliar treatment of Biobras-16 at 2.0 mg L-1 was applied, at a rate of one liter every 160 plants o...

La piña (Ananas comosus var. comosus) es una de las frutas más producidas; ocupa el tercer lugar en producción mundial después de las bananas y mangos. Se cultiva para satisfacer las necesidades nutricionales y es importante para la producción de conservas y venta de fruta fresca. Con un riego óptimo, el rendimiento depende de dos factores fundamen...

Pineapple is an economically important tropical fruit crop, but the lack of adequate planting material limits its productivity. A range of micropropagation protocols has been developed over the years to address this shortfall. Still, the final stage of micropropagation, i.e. acclimatisation, remains a challenge as pineapple plantlets grow very slow...

RESUMEN El cultivo de Sacha Inchi (Plukenetia volubilis L.) es de muy reciente introducción en Cuba, pero la calidad de sus frutos impone una estrategia que aumente acelera-damente su propagación. Esta se realiza, fundamental-mente, por semillas, que distinguen a la especie por las excelentes proporciones de los ácidos grasos omega 3, 6 y 9; además...

Pineapple (Ananas comosus var. comosus) is one of the most produced fruits; it ranks third in world production after bananas and mangoes. It is cultivated to meet nutritional needs and is important for the production of preserves and the sale of fresh fruit. Assuming that there is adequate water, the yield of this cultivar depends on two fundamenta...

Pineapple (Ananas comosus var. comosus) is one of the most produced fruits; it ranks third in world production after bananas and mangoes. It is cultivated to meet nutritional needs and is important for the production of preserves and the sale of fresh fruit. Assuming that there is adequate water, the yield of this cultivar depends on two fundamenta...

The province of Ciego de Ávila is the one that has dedicated the largest area to this crop in Cuba. Currently Cuba exports to Europe fresh pineapple ´MD-2´ fruit, increasing these exports every year. However, in the summer months, the affectation of fruits by sunburn causes considerable economic losses. In this work the incidence of sunburn in pine...

In Cuba, the national production of pineapples (Ananas comosus var. comosus) was based exclusively on ‘Red Spanish’ for many years. In 2009 the ‘MD2’ hybrid (Gold Extra Sweet) was introduced. The adaptation of ‘MD2’ pineapple to the edaphic-climatic conditions of Ciego de Avila was successful, despite being sensitive to different factors such as dr...

En la agricultura moderna se requiere de producciones intensivas y limpias. Para ello es determinante garantizar semillas de alta calidad en cantidades masivas que sólo el cultivo in vitro logra en poco tiempo. En la transición in vitro-ex vitro y su posterior permanencia en condiciones de aclimatización se producen notables pérdidas. El empleo de...

EXCELENTE TRABAJO METODOLOGICO

A field experiment was carried out in the UEB Pineapple farm of Ceballos Agroindustrial Company (UEB; 21º47'N 78º4 8'W). Propagules of ‘MD-2’ pineapple (Ananas comosus var. comosus), approximately 300 g of fresh weight, were planted in 0.173 ha plots in March 2016. The planting density was 72,000 plants per hectare resulting in approximately 12,384...

Fertilization of vitroplants in the acclimatization stage is vital to achieve good adaptation to different conditions of in vitro culture. Pineapple has a 5 month period of acclimatization that can be diminished if new variants of fertilization are applied. The aim of this work was to evaluate the effect of three systems of foliar fertilization on...

To achieve good quality and adaptation of micropropagated plants to field conditions it is necessary that the acclimatization stage occurs without problems. At the Bioplantas Center the micropropagated pineapple (Ananas comosus var. comosus) is established a period of acclimatization of 5 months and the same could be reduced with the use of new fer...

Los frutales ocupan alrededor del 8.8% de la producción agrícola mundial. Dentro de ellos, el mango (Mangifera indica L.) ha pasado a ser uno de los más importantes y figura entre los cinco primeros que producen más de 10 millones de toneladas por año. La aplicación de nitrato de potasio (KNO3) estimula la floración temprana y el aumento del número...

Cryopreservation is a valuable technique for the long-term conservation of plant germplasm and complementary to traditional seed storage methods. However, critical factors such as seed moisture content should be optimized before using this technique as a safe strategy for storing seeds such as those of Nicotiana spp. This study aimed to determine t...

Fertilization of vitroplants in the acclimatization stage is vital to achieve a good plants adaptation to different conditions of in vitro culture. The pineapple that has a period of acclimatization of 5 months can diminish the same if new variants of fertilization are applied more efficient so this work has as aim to evaluate the effect of five pa...

Current technology of pineapple micropropagation in Cuba has problems with the plant transition from acclimatization stage to the field. These problems are associated with the abrupt environmental changes between the two growth conditions. This work describes the study of crassulacean acid metabolism (CAM) response of exposed to drought (droughted)...

The pineapple (Ananas comosus var. comosus) is the second tropical crop of global importance. The variety 'MD-2' is the most commercial and demanded in the United States and Europe. This variety has high yields and good fruit quality, but production of propagules is low, so it takes a long time to get enough plant material when the crop starts. Mic...

There have been carried out several investigations dealing with criopreservation as an alternative to seeds storage traditional methods all around the world. Seed cryopreservation humidity has been identified as a decisive factor in its longevity. Nevertheless, there is not enough information about the effect of the drying on physiologic and bioche...

RESUMEN La piña (Anana comosus (L.) Merr.) es una especie de gran demanda comercial, entre las variedades más promisorias se encuentra la MD-2 la cual ha acaparado la atracción del consumidor en los últimos años. Por esta razón se emplean las técnicas de micropropagación para lograr plantas con mejores caracteres agronómicos y producir semillas de...

In pineapple have been used cryopreservation protocols based on a vitrification procedure. However, the influence of some technical factors is still unknown to achieve a strategy cryogenic routine application to a wide range of genotypes. Furthermore, there has been no histological analysis to display any structural changes during a process of cryo...

This work describes the evaluation of morpho-physiological and biochemical changes in “MD-2” micro-propagated pineapple plants (Ananas comosus (L.) Merr.) grown after 30 days under low light intensity (LL, greenhouse light conditions at 250 µmol∙m−2∙s−1) or high light intensity (HL, field light conditions at 800 µmol∙m−2∙s−1). Gas exchange, leaf pH...

RESUMEN. La tecnología actual de micropropagación de piña presenta problemas con la transición de las plantas al campo, dichos problemas se asocian al drástico cambio de las condiciones ambientales unido al pobre endurecimiento de las plantas para su tránsito. Una posibilidad de su preparación es la inducción de mecanismos defensivos mediante el dé...

RESUMEN. La piña (Anana comosus (L.) Merr.) es una especie de gran demanda comercial, entre las variedades más promisorias se encuentra la MD-2 la cual ha acaparado la atracción del consumidor en los últimos años. Por esta razón se emplean las técnicas de micropropagación para lograr plantas con mejores caracteres agronómicos y producir semillas de...

In pineapple have been used cryopreservation protocols based on a vitrification procedure. However, the influence of some technical factors is still unknown to achieve a strategy cryogenic routine application to a wide range of genotypes. Furthermore, there has been no histological analysis to display any structural changes during a process of cryo...

Pineapple (Anana comosus (L.) Merr.) is a species of high commercial demand, MD-2 is among the most promising varieties, which has captured the consumer appeal in recent years. For this reason micro-propagation techniques are used to achieve plants with better agronomic traits and seed production of excellent quality. In Cuba, although there have b...

The main objective of this investigation was to determine the effect of the ripening in the cryopreservation of the Nicotiana tabacum L seeds. cv Sancti Spíritus 96 (SS-96). This study was done between the years 2012 and 2014, at the Tobacco experimental station located in Cabaiguan, Sancti Spiritus. SS-96 seeds were harvest at the 14, 21, 28, 35,...

In vitro-cultured plants are very sensitive to abrupt environmental changes, especially when they are removed to ex vitro conditions and later in nursery-field transition from vessels to field. Pineapple plantlets (Ananas comosus (L.) Merr.) have a somewhat plastic morphology and physiology and CAM expression degree may change according to environm...

Este trabajo tuvo como objetivo general: Evaluar el tratamiento con ozono en disolución acuosa como desinfectante microbiológico para la hortaliza acelga (Beta vulgaris var. cicla L.). Se caracterizó el vegetal fresco mediante análisis químico-físicos y microbiológicos y se evaluó el efecto de tres factores sobre la solubilidad del ozono para logra...

The aim of this work was to evaluate the efficiency of the treatment with aqueous ozone like microbiological disinfectant for Swiss chard (Beta vulgaris var. cicla L.). The fresh vegetable was characterized by microbiological analysis as total coliforms, aerobic mesophilic and molds and yeasts. The fresh vegetable was disinfected with aqueous ozone...

Se realizó una investigación bibliográfica que se trazó como objetivo general evaluar el estado de las investigaciones, la producción y el consumo de alimentos vegetales listos para consumir en el mundo. Para la recopilación de la información se hizo uso de bases de datos de alimentos, sitios web y publicaciones de revistas especializadas en el tem...