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Browsing by Subject Saccharomyces cerevisiae

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  • Efficacy of integrated microorganisms in controlling root-knot nematode Meloidogyne javanica infecting peanut plants under field conditions

    • Authors: Osman, Hamida Ahmed;  Advisor: -;  Participants: Ameen, Hoda Hussein; Mohamed, Moawad; Elkelany, Usama Samy (2020)

  • Compared to the untreated control, all treatments exhibited variable potential inhibitory activities against root-knot nematode M. javanica and enhanced peanut yield production. The most nematode suppressive treatment was the single treatment of Saccharomyces cerevisiae, followed by T. harzianum either singly or combined with the yeast. Moreover, data indicated that application of the combined treatment of yeast plus T. harzianum gave the best results in improving peanut production, plant growth parameters, and seed nutrient contents.
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  • Optimization of some fermentation conditions for bioethanol production from microalgae using response surface method

    • Authors: El-Mekkawi, Samar A.;  Advisor: -;  Participants: Abdo, Sayeda M.; Samhan, Farag A.; Ali, Gamila H. (2019)

  • In this work, algal biomass harvested from a pilot-scale high rate algal pond (HRAP) was fermented anaerobically using immobilized Saccharomyces cerevisiae (ATCC 4126). The HRAP was constructed at the Zenin wastewater treatment plant (WTP), Giza, Egypt. A separate hydrolysis fermentation process (SHF) was applied for algal biomass. The effect of the algal biomass amount, the yeast volume (% v/v), and the time of fermentation as three independent variables were studied simultaneously and analyzed statistically using Design-Expert software V6.0.8. The harvested algal biomass from HRAP contains 45% carbohydrates and was dominated by Microcystis sp. The results revealed that optimum bioet...