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  • Open Access


    Windows 10's Browser Forensic Analysis for Tracing P2P Networks’ Anonymous Attacks

    Saima Kauser1, Tauqeer Safdar Malik1,*, Mohd Hilmi Hasan2, Emelia Akashah P. Akhir2, Syed Muhammad Husnain Kazmi3

    CMC-Computers, Materials & Continua, Vol.72, No.1, pp. 1251-1273, 2022, DOI:10.32604/cmc.2022.022475

    Abstract A web browser is the most basic tool for accessing the internet from any of the machines/equipment. Recently, data breaches have been reported frequently from users who are concerned about their personal information, as well as threats from criminal actors. Giving loss of data and information to an innocent user comes under the jurisdiction of cyber-attack. These kinds of cyber-attacks are far more dangerous when it comes to the many types of devices employed in an internet of things (IoT) environment. Continuous surveillance of IoT devices and forensic tools are required to overcome the issues pertaining to secure data and… More >

  • Open Access


    Design and Optimization of Planting Process Parameters for 2ZYX-2 Type Green Onion Ditching and Transplanting Machine

    Jiqiang Zhang1, Ziru Niu1,2, Tianhua Li1,2, Yanqiang Wu1, Rui Xi1, Yuhua Li1, Guanghua Li3, Jialin Hou1,2,*

    Phyton-International Journal of Experimental Botany, Vol.89, No.1, pp. 147-166, 2020, DOI:10.32604/phyton.2020.08479

    Abstract Considering the current low level of mechanization for domestic green onion planting and the high labor intensity of artificial planting, a 2ZYX-2 green onion ditching and transplanting machine, which can complete ditching, ridging, transplanting, repression, soil covering and other operations, is designed in this study. The Central Composite test design method was carried out with the speed of the transplanting machine, the depth of the opener and the horizontal position of the opener as the experimental factors and with the qualification ratio of perpendicularity, the variation coefficient of the plant spacing and the qualification ratio of the planting depth as… More >

  • Open Access


    Determination of vanadium accumulation in onion root cells (Allium cepa L.) and its correlation with toxicity


    BIOCELL, Vol.30, No.2, pp. 259-267, 2006, DOI:10.32604/biocell.2006.30.259

    Abstract The vanadium is a metal that presents great interest from the toxicological point of view, because of the numerous alterations that can take place in different biological systems. This work evaluated the capacity of vanadium accumulation and its correlation with genotoxic effects in root cells of Allium cepa L. The bulbs were cultivated in renovated filtered water each 24 h, at a temperature of 25 ± 0.5°C, in darkness and constant aeration. Treatments were carried out under the same experimental conditions, using water solutions of vanadium of 25, 50, 75 and 100μg/g for 0, 12, 24, 48 and 72 h.… More >

  • Open Access


    Onion yield as affected by plant density, nitrogen level and loss of leaf area

    Siliquini OA1, GA Orioli2, JC Lobartini2

    Phyton-International Journal of Experimental Botany, Vol.84, No.2, pp. 338-344, 2015, DOI:10.32604/phyton.2015.84.338

    Abstract Onion (Allium cepa) is an important horticulture crop because of its value as a food with a long shelf life being a relatively non-perishable product. It is very helpful to understand the growth response of the seeded onion crop to conduct appropriate field practices in attaining the highest or optimum yields. A three year field experiment was conducted using a variety of onion Valcatorce INTA, in a randomized block design with five replicates. Treatments were two plant densities and three rates of N application. The bulb growth followed a classical sigmoid curve. During the rapid growing period, the crop had… More >

  • Open Access


    Control of seedling damping off caused by Rhizoctonia solani and Sclerotium rolfsii using onion broths

    Rivera MC1, ER Wright1, MC Fabrizio2, G Freixá1, R Cabalini1, SE Lopez3

    Phyton-International Journal of Experimental Botany, Vol.82, pp. 227-234, 2013, DOI:10.32604/phyton.2013.82.227

    Abstract Damping off is a frequent disease that kills seedlings. Cultural and biological controls are the only tools in organic crops to manage this disease, and only empirical information is available on the efficiency of plant preparations. This work evaluates the effects of fermented onion decoctions on the growth of Rhizoctonia solani and Sclerotium rolfsii and disease incidence. Broth (B) and sterilized broth (SB) were respectively obtained by boiling chopped yellow onions in water, and incubating for 14 days at room temperature, with or without subsequent sterilization. The pathogens were grown on potato dextrose agar supplemented with B and SB, diluted… More >

  • Open Access


    Accumulation of silver nanoparticles and its effect on the antioxidant capacity in Allium cepa L.

    Juárez-Maldonado1 A, JL Rosales-Velázquez2, H Ortega-Ortiz3, M Cabrera-De-la-Fuente1, H Ramírez1, A Benavides-Mendoza1

    Phyton-International Journal of Experimental Botany, Vol.82, pp. 91-97, 2013, DOI:10.32604/phyton.2013.82.091

    Abstract Nanotechnology is currently an important worldwide study field because it provides control on matter at a nanometric scale. In food and agricultural fields, the applications of this technology are in early stages. Onion is one of the main vegetables grown in the world. Onion is a low calorie food which contains a large amount of flavonoids. In this work, silver nitrate application in onion was evaluated. An onion crop was developed at the University Antonio Narro in Saltillo, Mexico. Two methods of silver nitrate application were used (a nutritive solution: 0, 20, 40 and 80 mg/L of AgNO3; and foliar… More >

  • Open Access


    Smudge and other diseases of onion caused by Colletotrichum circinans, in southern Argentina

    Kiehr M1, R Delhey1, A Azpilicueta2

    Phyton-International Journal of Experimental Botany, Vol.81, pp. 161-164, 2012, DOI:10.32604/phyton.2012.81.161

    Abstract While studying the etiology of onion diseases in southern Argentina, a coelomycetous fungus was found associated with diverse disease expressions. They included the typical smudge symptoms in white onion bulbs in local markets as well as field infections on yellow- and red-coloured cultivars, with severe infections on transplants in the seed-bed. The fungus was isolated and identified as Colletotrichum circinans on the basis of its morphological, morphometric, biological and pathological characteristics. Two isolates, obtained from white bulbs and from transplants, were inoculated on bulbs of white and yellow-coloured cultivars and produced the typical smudge symptoms on the outer scales. Koch´s… More >

  • Open Access


    Freckles, a blemish of onion bulbs caused by Sclerotium sp.

    Kiehr M, R Delhey

    Phyton-International Journal of Experimental Botany, Vol.80, pp. 221-225, 2011, DOI:10.32604/phyton.2011.80.221

    Abstract Freckles is a new blemish of white-scaled onion bulbs in the Lower Rio Colorado Valley (Argentina) characterized by the formation of small sclerotia imbedded in the dry scale tissue. The causal agent has been isolated from scales and symptomless roots of onion and was identified as Sclerotium sp. Although in its host range and morphology it resembles Sclerotium cepivorum, it is quite different with respect to other cultural and pathological traits. In inoculation experiments, onion and garlic plants could be infected and the typical sclerotia were formed, but no rot, a symptom characteristic for S. cepivorum, nor any other tissue… More >

  • Open Access


    Analysis of methodologies for the study of composition and biochemical carbohydrate changes in harvest and postharvest onion bulbs

    Abrameto MA, CM Pozzo Ardizzi, MI Gil, LM Molina

    Phyton-International Journal of Experimental Botany, Vol.79, pp. 123-132, 2010, DOI:10.32604/phyton.2010.79.123

    Abstract Costly investments in storage and transport of onion bulbs makes it increasingly important to identify cultivars with the best chance of long-term storage. This paper discusses our own and other researchers’ results and laboratory procedures on onion’s pungency, soluble solids, dry matter, respiration rate, carbohydrates and catabolism-related enzymes under different storage conditions. The variability in parameters such as carbohydrate composition, pungency, soluble solids and soluble uronic acid concentration in water is growth dependent, and defines the quality of onion bulbs at harvest time. During storage, these parameters can be modified by environmental conditions, presence of pathogens or termination of dormancy.… More >

  • Open Access


    In vitro antagonism of Trichoderma harzianum on Sclerotium cepivorum Berk. and S. rolfsii Sacc., causal agents of onion rot

    Zúñiga-Mendoza E, LF Ceja-Torres

    Phyton-International Journal of Experimental Botany, Vol.86, pp. 7-13, 2017, DOI:10.32604/phyton.2017.86.007

    Abstract In vitro tests were carried out, to evaluate the antagonist capacity of a strain of Trichoderma isolated from soil in La Cienega de Chapala, Michoacán, Mexico against Sclerotium cepivorum and Sclerotium rolfsii, casual agents of onion rot, an important disease in Mexico and the rest of the world. Percentages of radial growth inhibition (PRGI) were calculated every 24 h, until a rate of antagonism was obtained according to the Bell’s scale, as well as the percentages of inhibition of the production of sclerotia and their parasitism. The PRGI was 17.4% against S. rolfsii and 22.2% against S. cepivorum after 48… More >

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