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Application of two forms of silicon and their impact on the postharvest and the content of bioactive compounds in cucumber(Cucumis sativus L.)fruits

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BIOCELL 2022年第11期46卷 2497-2506页

作者： YOLANDA GONZÁLEZ-GARCÍA VALERIA FLORES-ROBLES GREGORIO CADENAS-PLIEGO adalberto benavides-mendoza MARCELINO CABRERA DE LA FUENTE ALBERTO SANDOVAL-RANGEL ANTONIO JUÁREZ-MALDONADO Departamento de Botánica Universidad Autónoma Agraria Antonio NarroSaltillo25315México Maestría en Ciencias en Horticultura Universidad Autónoma Agraria Antonio NarroSaltillo25315México Centro de Investigación en Química Aplicada Saltillo25294México Departamento de Horticultura Universidad Autónoma Agraria Antonio NarroSaltillo25315México

The metabolic activity of the fruits continues even after harvest,which results in the loss of bioactive compounds,a decrease in the quality of the fruits,softening and browning,among other negative *** use of certain elements such as silicon can improve postharvest quality,since it is involved in the metabolic,physiological and structural activity of plants,moreover can increase the quality of the *** addition,nanotechnology has had a positive impact on crop yield,nutritional value,fruit quality and can improve antioxidant *** these reasons,the use of beneficial elements such as silicon in the form of nanoparticles can be a viable option to improve the characteristics of the *** the present study was evaluated the application of potassium silicate(125,250 and 500 mg L^(−1))and SiO_(2) nanoparticles(125,250 and 500 mg L^(−1))during the development of the *** results showed that the application of silicon(potassium silicate and silicon nanoparticles)increased the content of total soluble solids(up to 15.6%higher than control),titratable acidity(up to 38.8%higher than control),vitamin C(up to 78.2%higher than control),phenols(up to 22%higher than control),flavonoids(up to 64.6%higher than control),and antioxidant activity in lipophilic compounds(up to 56.2%higher than control).This study suggests that the use of silicon can be a good option to increase the content of bioactive compounds in cucumber fruits when they are applied during the development of the crop.

关键词： Fruit quality Nanotechnology Silicon nanoparticles Potassium silicate Antioxidant compounds Antioxidant capacity

Concentration of Salicylic Acid in Tomato Leaves after Foliar Aspersions of This Compound

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American Journal of Plant Sciences 2014年第13期5卷 2048-2056页

作者： Enrique Guzmán-Téllez Daniel Díaz Montenegro adalberto benavides-mendoza Departamento de Horticultura Universidad Autónoma Agraria Antonio Narro Saltillo México Laboratorios Agroenzymas S.A. de C.V. Tlalnepantla México

Increased plant tolerance to stress may be chemically induced with applications of salicylic acid (SA). The aim of this study was to determine the change in the SA leaf concentration over time in response to the SA spraying in leaves of greenhouse grown tomato. In sprayed leaves the SA concentration showed changes over time similar to the reported responses to environmental stress. Two days after the first application, the SA foliar concentration reached the maximum of 8 μg·g-1, equivalent to twice the amount observed in the control plants. SA decreased until it reached the level of control plants eight days later. A second application showed actually the same response, but with a faster decline of SA in two days. According to the results of this assay, SA applications on tomato should be performed within a minimum interval of eight days in order to maintain the SA concentration related with the increase in plant tolerance to environmental stress.

关键词： Chemically Induced Resistance Defense Signaling Elicitor

Development of a Rapid and Efficient Liquid Chromatography Method for Determination of Gibberellin A4 in Plant Tissue, with Solid Phase Extraction for Purification and Quantification

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American Journal of Plant Sciences 2014年第5期5卷 573-583页

作者： Julia Medrano Macías Rahim Foroughbakhch Pournavab Manuel Humberto Reyes-Valdés adalberto benavides-mendoza Departamento de Fitomejoramiento Universidad Autónoma Agraria Antonio Narro Saltillo México Departamento de Horticultura Universidad Autónoma Agraria Antonio Narro Saltillo México Facultad de Ciencias Biológicas Universidad Autónoma de Nuevo León San Nicolás de los Garza México

A new, rapid and efficient reverse phase Liquid Chromatography (RP-LC) method was developed for determination of Gibberellin A4 (GA4) in samples of flower stalk of Dasylirion cedrosanum and vegetative tissue of Epithelantha micromeris. Purification of GA4 was carried out by solid phase extraction (SPE), in Epithelantha micromeris. In the chromatography method was obtaining a retention time of 2.1 min, using Hypersil GOLD C-18 column (100 × 4.6 mm dim and size particle 5 μ), mobile phase 50/50 acetonitrile/water and a flow 1.0 ml/min. Detection was carried out by a UV detector set at 205 nm, and a quantization limit of 0.4 mg/L. The obtained correlation coefficient was 0.995.

关键词： Dasyrilon cedrosanum Epithelantha micromeris Phytohormone Separation Plant Growth Regulators Reverse Phase Liquid Chromatography Solid Phase Extraction

Dynamic modeling of mineral contents in greenhouse tomato crop

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Agricultural Sciences 2014年第2期5卷 114-123页

作者： Antonio Juárez-Maldonado adalberto benavides-mendoza Karim de-Alba-Romenus América B. Morales-Díaz Departamento de Horticultura Universidad Autónoma Agraria Antonio Narro Saltillo México Robótica y Manufactura Avanzada Centro de Investigación y Estudios Avanzados (CINVESTAV) Saltillo México

Tomato is one the most important vegetables worldwide and mineral nutrition in tomato crops is considered as the second most important factor in crop management after water availability. Mathematical modeling techniques allow us to design strategies for nutrition management. In order to generate the necessary information to validate and calibrate a dynamic growth model, two tomato crop cycles were developed. Several mineral analyses were performed during crop development to determine the behavior of N, P, K, Ca, Mg and S in different organs of the plant. Regression models were generated to mimic the behavior of minerals in tomato plants and they were included in the model in order to simulate their dynamic behavior. The results of this experiments showed that the growth model adequately simulates leaf and fruit weight (EF > 0.95 and Index > 0.95). As for harvested fruits and harvested leaves, the simulation was less efficient (EF < 0.90 and Index < 0.90). Simulation of minerals was suitable for N, P, K and S as both, the EF and the Index, had higher values than 0.95. In the case of Ca and Mg, simulations showed indices below 0.90. These models can be used for planning crop management and to design more appropriate fertilization strategies.

关键词： Licopersicon Esculentum Mathematical Modeling Simulation Crop Growth Nutrition Management

Effect of the Application of Produced Water on the Growth, the Concentration of Minerals and Toxic Compounds in Tomato under Greenhouse

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Journal of Environmental Protection 2013年第7期4卷 138-146页

作者： José Fernando Martel-Valles adalberto benavides-mendoza Luis Alonso Valdez-Aguilar Antonio Juárez-Maldonado Norma Angélica Ruiz-Torres Departamento de Fitomejorma- miento Universidad Autónoma Agraria Antonio Narro Saltillo México. Departamento de Horticultura Universidad Autónoma Agraria Antonio Narro Saltillo México

During the production of petroleum and gas a by-product, known as congenital water, is obtained, which varies in composition depending on the geological formation from which it is extracted. In the industrial process its composition is modified and then it is known as “produced water”. These waters can contain high concentrations of mineral salts that can potentially be used for crop fertilization. The aim of this study was to evaluate the effects of the application of produced water on the mineral contents of the plants and levels of BTEX and TPH in the fruits of greenhouse tomato cultivation. The produced waters used were derived from gas producing zone of Sabinas-Piedras Negras in northern Mexico. These waters were analyzed according to NOM-143-SEMARNAT-2003. Waters from three different stations, (Buena Suerte, Forasteros and Monclova 1), were mixed with fresh water to obtain the treatment waters used. As a control, we used a complete Steiner solution. The results showed that the produced waters modified the absorption of essential minerals in tomato plants;it was observed that the mineral concentration in plant tissues was highest in the control plants, except for Na, in which the plants irrigated with produced water had the highest concentrations. The treatments with produced waters also affected negatively the root length, leaf dry weight, stem dry weight, number of fruits per plant, and the dry weight of the fruits.

关键词： Congenital Water Salt Content THP NOM-143-SEMARNAT-2003