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  • Open Access


    Biochar Application Improves the Drought Tolerance in Maize Seedlings

    A. Sattar1,*, A. Sher1,*, M. Ijaz1, M. Irfan2, M. Butt1, T. Abbas1, S. Hussain2, A. Abbas1, M. S. Ullah3, M. A. Cheema4

    Phyton-International Journal of Experimental Botany, Vol.88, No.4, pp. 379-388, 2019, DOI:10.32604/phyton.2019.04784

    Abstract Application of biochar to agricultural soils is mostly used to improve soil fertility. Experimental treatments were comprised of two factors: i) drought at two level, i.e., 80% and 40% water holding capacity (WHC) which was maintained on gravimetric basis ii) three levels of biochar i.e., control, 2 t ha-1 and 4 t ha-1 added to soil. Experimentation was done to examine potential of biochar application to enhance the growth attributes, water relations, photosynthetic pigments and antioxidants activities in maize (Zea mays L.) seedlings. Results of study revealed that biochar application increased the growth qualities (total seedlings biomass, dry weight of… More >

  • Open Access


    Phytochemical quality of tomato Saladette produced with organic substrates under greenhouse conditions

    González B ML1, M Fortis H1, P Preciado R1, MA Segura C1, E Salazar Sosa1, JL García H2, JR Esparza R3

    Phyton-International Journal of Experimental Botany, Vol.85, pp. 71-78, 2016, DOI:10.32604/phyton.2016.85.071

    Abstract The aim of the current study was to evaluate yield and phytochemical quality of tomato fruits produced using organic substrates under greenhouse conditions. The applied treatments (organic substrates) were: T1 (80% River sand + 20% Vermicompost; T2 (90% River sand + 10% Compost); T3 Steiner Solution (80% River sand + 20% Perlite); T4 (80% River sand + 5% Soil + 15% Vermicompost); T5 (85% River sand + 15% Treated manure), and T6 (80% River sand + 5% Soil + 15% Treated manure). We used a totally randomized experimental design, with four replicate treatments. Evaluated variables were: yield, relative content of… More >

  • Open Access


    Changes in the redox status of the brain in an experimental glaucoma model

    Claudia G. REIDES1,2, Romina M. LASAGNI VITAR1,2, Agustina PEVERINI1, Natasha S. JANEZIC1, Ailen G. HVOZDA ARANA1, Sandra M. FERREIRA1,2, Susana F. LLESUY1,2*

    BIOCELL, Vol.40, No.1, pp. 51-54, 2016, DOI:10.32604/biocell.2016.40.051

    Abstract The purpose of this study was to evaluate the redox status changes of primary visual targets in the rat brain of a high pressure-induced glaucoma model. The animal model consisted of inducing ocular hypertension by cauterizing two episcleral veins on the left eye. The markers of oxidative damage and the oxidative balance evaluated in the brain seven days postoperative were: nitrites concentration, levels of non-enzymatic antioxidants and antioxidant enzymes activity.
    The increase in the nitrite content, which could be the result of the enhancement in the production of nitrogen species, and in the activity of NADPH oxidase in the glaucoma… More >

  • Open Access


    Active compounds of medicinal plants, mechanism for antioxidant and beneficial effects

    Orozco Montes F1, A Vázquez-Hernández2, B Fenton-Navarro1

    Phyton-International Journal of Experimental Botany, Vol.88, No.1, pp. 1-10, 2019, DOI:10.32604/phyton.2019.04525

    Abstract An increased interest in the antioxidant effects of medicinal plants has developed in recent years. Identifying antioxidant compounds present in medicinal plants and elucidating the mechanism by which they prevent oxidation have been the focus of the research community. We performed a systematic and exhaustive review aimed at analyzing the available data regarding the beneficial effects of secondary metabolites in plants. The result of this review is presented as a description of free radicals, as well as cellular and physiological oxidative stress, is provided. The origin and source of antioxidant compounds, and the cellular and molecular mechanism by which they… More >

  • Open Access


    Evaluation of Antioxidants, Total Phenolics and Antimicrobial Activities of Ethyl Acetate Extracts From Fungi Grown on Rice Straw

    Bahaa T. Shawky1, Mohammed Nagah1, Mosad A. Ghareeb2, Gamal M. El-Sherbiny3, Saad A. M. Moghannem3, Mohamed S. Abdel-Aziz1,*

    Journal of Renewable Materials, Vol.7, No.7, pp. 667-682, 2019, DOI:10.32604/jrm.2019.04524

    Abstract Rice straw (RS) collected from Egyptian agricultural environment (Al-Masied village-Alsharqia Governorate-Egypt) was used as substrate for three fungal isolates namely: 4b, 1Asp, Pleurotus ostreatus NRRL 3501 and mixed culture of (4b, 1Asp). Isolates number 4b and 1Asp were identified using the molecular technique (18S rRNA). Isolate 4b and 1Asp, were identified as Trichoderma saturnisporum MN1-EGY and Aspergillus niger MN2-EGY, respectively. Trichoderma saturnisporum MN1-EGY extract exhibited the highest antimicrobial activity compared to the other fungal extracts. Total phenolic, antimicrobial and antioxidant activities were also determined from the ethyl acetate extract of rice straw inoculated by these fungi. The antioxidant scavenging concentration(SC50)… More >

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