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Egyptian Journal of Desert Research
ISSN 2356-9875 · Desert Research Center · 449 artikel di indeks
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EESTIMATION OF THE REFERENCE EVAPOTRANSPIRATION USING ARTIFICIAL INTELLIGENCE
Precise water resource management in hyper-arid regions, such as Ras Sudr in South Sinai Governorate, is an absolute necessity to combat water scarcity and soil salinization. This study aims to develop an artificial intelligence model based on Artificial Neural Networks (ANN) to simultaneously…
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INNOVATING NANO-EDIBLE FILMS AND COATING MATERIALS AS ANTIMICROBIAL AND ANTIOXIDANT BY USING CHIA OIL
In this study, the effect of coating films containing different ratios (0, 2, 4 and 6%) of chia oil nanoparticles (128 nm) as antimicrobial and antioxidant agents and applied for coating beef meatballs. Antioxidant activity of chia oil and chia oil nanoparticles was evaluated. Total phenol…
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EVALUATION OF SOME FOOD PRODUCTS PREPARED FOR DIABETICS USING NATURAL LOW-CALORIE SWEETENERS
This study was conducted to evaluate the physiochemical, antioxidant, and sensory characteristics of tomato juice sweetened with a crude inulin extracted from Jerusalem artichoke tubers in two types of soils, “clay (A1) and sand (A2)” compared to commercial stevia standard as a low-caloric…
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PHYTOCHEMICAL CONTENT, METABOLITE PROFILING AND ANTIOXIDANT POTENTIAL OF CARDUUS PYCNOCEPHALUS L. EXTRACT (FAMILY ASTERACEAE)
Carduus pycnocephalus (Italian thistle), collected from the northern coastal region of Egypt, is an edible and medicinal plant. Nonetheless, its phytochemical composition and biological activities have not yet been adequately investigated. This study evaluated the proximate composition…
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USING DEEP LEARNING TO PREDICT THE EFFECT OF ZEOLITE ON SOIL PHYSICAL AND CHEMICAL PROPERTIES
Deep Learning is a branch of Artificial Intelligence (AI). It is based on Artificial Neural Networks (ANNs). The study proposed using ANN to predict influence of zeolite on soil physical and chemical properties. Field experiment was conducted with three types of zeolite at two application rates for…
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EFFECT OF PEGANUM HARMALA EXTRACTS ON SUPPRESSING ROOT-KNOT DISEASE OF SUGAR BEET IN EGYPT
The efficacy of the alkaloids harmine and harmaline isolated from Harmal plant (Peganum harmala), as well as aqueous and methanolic extracts, were tested against root-knot disease caused by the root-knot nematode, Meloidogyne incognita. In vitro, the effects of the treatments as larvicides against…
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EFFECT OF DIFFERENT PROTECTIVE SYSTEMS ON MICROCLIMATE, YIELD AND FRUIT QUALITY OF PEACH TREES UNDER SAND DUNE CONDITIONS IN NORTH SINAI, EGYPT
This study was conducted to study the effect of biological (Napier grass and Tamarix) and artificial (Theran net and palm fronds) protective systems on the yield and fruit quality of 11-year-old peach (Prunus persica) cv. Earli Grand trees under sand dune and rainy conditions were used in this…
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IN VITRO PROPAGATION, PHYTOCHEMICAL ANALYSIS AND BIOLOGICAL EVALUATION OF THE ENDANGERED BUFONIA MULTICEPS PLANT
Bufonia multiceps is an endangered endemic species restricted to the high-mountain ecosystems of the Saint Katherine Protectorate in South Sinai, Egypt. To the best of our knowledge, this study represents the first report describing an in-vitro propagation protocol for this species combined with…
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EX-SITU CONSERVATION OF THE RARE NEAR ENDEMIC HYPERICUM SINAICUM PLANT IN ST. KATHERINE PROTECTORATE, SINAI, EGYPT
Hypericum sinaicum is a rare near endemic medicinal plant of the Saint Katherine Protectorate (Sinai, Egypt) facing increasing threats from habitat degradation and anthropogenic pressures. This study developed the first integrated ex situ conservation framework combining molecular authentication…
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COMPARATIVE IMPACT OF TOBACCO INDUSTRIAL WASTE AND FYM ON SOME PROPERTIES OF SANDY SOIL AND WHEAT YIELD
The experiment was conducted in sandy soil at El-Qantara East station, North Sinai Governorate, to examine the effects of Tobacco waste (TW), burned Tobacco waste (BTW), and farmyard manure (FYM) at the rates of 0, 25, 50, 100, and 150 Mg ha-¹ on some properties of sandy soil and wheat yield…
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ROLE OF ETHYLENE RESPONSE SENSOR 1 GENE IN WHEAT RESISTANCE TO YELLOW RUST AND SELECTED ABIOTIC STRESSES
Yellow (stripe) rust disease is a serious and noxious fungal disease of wheat which causes high loss in the quantity and quality of wheat yield. Ethylene with other phytohormones is a central agent in mediating plant defense against pathogens. The ethylene signals transduction pathway plays a major…
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PROMISING SCAFFOLD AND TREATMENT FOR ULCERATIVE COLITIS: ISOLATION, IN VIVO AND IN SILICO STUDIES
Methoxsalen compound was isolated from Ammi majus seeds in very good amount, purity (almost 90%) and few steps method which don’t include column chromatography (extraction by ethanol, extraction by dichloromethane, crystallization by methanol (60%) and washing by hot petroleum ether). Methoxsalen…
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LC–MS/MS METABOLOMICS AND MOLECULAR NETWORKING OF SALVIA MULTICAULIS VAHL. REVEAL CHOLINESTERASE INHIBITORY AND ANTI-ALZHEIMER POTENTIAL
Salvia multicaulis is a medicinal plant rich in bioactive secondary metabolites with potential neuroprotective properties. In the present study, the chemical profile of the ethanol extract of S. multicaulis was comprehensively characterized using LC–MS/MS combined with feature-based molecular…
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Influence of Magnetization on some biological Activities of Cotton Leafworm Spodoptera littoralis Affected by Insecticides
Under laboratory conditions, two insecticides are tested to investigate the effects of magnetic insecticides on biological aspects and spermatophore formation as a physiological parameter of S. littoralis (Lepidoptera). Fourth larval instar are treated with magnetic and non-magnetic Chlorpyrifos…
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ISOLATION OF BIOACTIVE FLAVONOIDS FROM LOTUS POLYPHYLLOS CLARKE, MOLECULAR DOCKING STUDY AND ITS BIOLOGICAL EVALUATION AS ANTICANCER AND ANTIOXIDANT (IN VITRO)
This work investigated in vitro antitumor and antioxidant activities of Lotus polyphyllos Clarke combining its flavonoid compounds and molecular docking analysis of some selected isolated flavonoid compounds. Seven flavonoid compounds E1–E7 were isolated from the plant extract and identified as…
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DIRECT REGENERATION FROM STEM NODAL SEGMENTS OF KHAYA SENEGALENSIS AND ASSESSMENT OF GENETIC STABILITY
This study presents a reliable and efficient in vitro regeneration protocol for Khaya senegalensis (African mahogany) using stem nodal segments derived from a mother tree, along with a molecular assessment of the genetic stability of regenerated plantlets. Stem nodal segment explants cultured on…
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INFLUENCE OF THINNING AND POLLINATION METHODS ON PRODUCTIVITY AND FRUIT QUALITY OF DATE PALM ‘SEWY’ UNDER NEW VALLEY CONDITIONS
During the growing seasons of 2021 and 2022, this study was conducted on a private farm in the New Valley Governorate's Balat district. The objective was to examine the effects of various pollination techniques, including splashing pollen grains at concentrations of 1, 2 or 3 g/L and dusting pollen…
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BIOCHEMICAL ASSESSMENT OF SOME TOMATO GENOTYPES UNDER HEAT STRESS CONDITIONS
Global warming is an imminent threat for plant production and food security. Developing new varieties of cultivated plants that are more resilient became an urgent need and one of the sustainable development goals. During 2021 season, we evaluated five tomato genotypes, along with their hybrids…
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SPROUTING PROCESS TO ENHANCE THE NUTRITIONAL AND SENSORY PROPERTIES OF MILLET MILK AS A FUNCTIONAL FOOD
This study was conducted to estimate the impact of sprouting process on the nutritional value, bioactive components, bio-minerals and amino acids of millet cereals and their produced (millet milk). Sprouting enhances the nutritional value of millet cereals, with increasing sprouting time up to five…
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PERFORMANCE OF QUINOA GENOTYPES VERSUS SOME INSECT PESTS: YIELD AND PHYTOCHEMICALS RELATIONS
Environmental changes have become a focus of applied research in recent years due to their impacts on various crops and interactions with surrounding organisms. Therefore, this study focuses on the relationship between the dominant insect pests infestation and their impact on quinoa yield using…