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Effect of Humic Acid, Mycorrhiza Inoculation, and Biochar on Yield and Water Use Efficiency of Flax under Newly Reclaimed Sandy Soil

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Agricultural Sciences 2014年第14期5卷 1427-1432页

作者： Bakry Ahmed Bakry Omar Maghawry Ibrahim Abdelraouf Ramadan Eid elham abdelmoneim badr Field Crops Research Department National Research Centre Dokki Egypt Plant Production Department Arid Lands Cultivation Research Institute City of Scientific Research and Technological Applications (SRTA-City) New Borg El-Arab Egypt Water Relations and Field Irrigation Department National Research Center Giza Egypt

In order to examine the application of different soil and foliar organic fertilizers as well as biofertilizing flax under sandy soil conditions, two field experiments were carried out at the Research and Production Station of the National Research Centre (NRC), Al Nubaria district, El-Behaira Governorate, Egypt during 2012/2013 and 2013/2014 winter seasons. The trials aimed to study the effect of humic acid (HA) as low cost natural fertilizer, inoculation with mycorrhiza, and biocharcoal on on yield, quality and water use efficiency of flax variety (Amon) under newly reclaimed sandy soil. The treatments consisted of HA (25 kg/feddan), inoculation with mycorrhiza (1 kg/ feddan), and biochar (4 tons/feddan) and all the combinations among the treatments. Results showed that the treatment combination of (humic acid + mycorrhiza + biochar) was significantly superior compared to all the other treatments in number of capsules/plant, biological yield/plant (g), seed yield/plant (g), seed yield (kg/feddan), straw yield (tons/feddan), oil percent (%), and oil yield (kg/feddan). However, it gave the highest fruiting zone length (cm) but not significantly different from (mycorrhiza + biochar) and (humic acid + biochar), also it gave the highest seed index (g) but not significantly different from humic acid and (humic acid + mycorrhiza). The treatment combination of (humic acid + biochar) gave the highest plant height (cm), technical stem length (cm), and number of branches/plant.

关键词： Flax Humic Acid Biochar Mycorrhiza Water Use Efficiency

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Enhancing Canola Yield and Photosynthesis under Water Stress with Hydrogel Polymers

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Phyton-International Journal of Experimental Botany 2024年第7期93卷 1623-1645页

作者： elham A.badr Gehan Sh.Bakhoum Mervat Sh.Sadak Ibrahim Al-Ashkar Mohammad Sohidul Islam Ayman El Sabagh Magdi T.Abdelhamid Field Crops Research Department National Research CentreCairo12622Egypt Botany Department National Research CentreCairo12622Egypt Plant Production Department College of Food and Agriculture SciencesKing Saud UniversityRiyadh12271Saudi Arabia Department of Agronomy Hajee Mohammad Danesh Science and Technology UniversityDinajpur5200Bangladesh Department of Field Crops Faculty of AgricultureSiirt UniversitySiirt56100Turkey Department of Agronomy Faculty of AgricultureKafrelsheikh UniversityKafrelsheikh33516Egypt Department of Research Centers Montana State UniversityBozemanMT 59717USA

While Egypt’s canola production per unit area has recently grown,productivity remains low,necessitating increased *** are water-absorbent polymer compounds that can optimize irrigation schedules by increasing the soil’s ability to retain ***,twoﬁeld experiments were conducted to examine hydrogel application to sandy soil on canola growth,biochemical aspects,yield,yield traits,and nutritional quality of yielded seeds grown under water deﬁcit stress *** experiments were conducted by arranging a split-plot layout in a randomized complete block design(RCBD)with three times replications of each *** water stress at 75%or 50%of crop evapotranspiration(ETc)lowered chlorophyll a,chlorophyll b,caro-tenoids,and total pigments content,indole-3-acetic acid,plant development,seed yield,and oil and total carbo-hydrates of seed yield,hydrogel treatment enhanced all of the traits mentioned ***,hydrogel enhanced to gather compatible solutes(proline,amino acids,total soluble sugars),phenolics content in leaves,seed protein,and crop water productivity,which increased while the plants were under water *** results revealed that the full irrigation(100%ETc)along with hydrogel compared to water-stressed(50%ETc)led to enhanced seed yield(kg ha^(-1)),Oil(%),and Total carbohydrates(%)of rapeseed by 57.1%,11.1%and 15.7%,***,under water-stressed plots with hydrogel exhibited enhancement by 10.0%,3.2%and 5.1%in seed yield(kg ha^(-1)),oil(%),and total carbohydrates(%)of rapeseed by 57.1%,11.1%and 15.7%,respec-tively compared to *** a result,the use of hydrogel polymer will be a viable and practical solution for increasing agricultural output under water deﬁcit stress situations.

关键词： Hydrogel oil osmolytes rapeseed yield water stress

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Chemical identification,antioxidant,cholinesterase inhibitory,and cytotoxic properties of fucoidan extracted from Persian Gulf Sargassumangustifolium

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Acta Oceanologica Sinica 2022年第12期41卷 133-141页

作者： Arghavan Hosseinpouri Mehdi Mohammadi elham Ehsandoost Paria Sharafi-badr Narges Obeidi Department of Cellular and Molecular Sciences Faculty of SciencesPersian Gulf UniversityBushehr 75168Iran Department of Marine Biotechnology Persian Gulf InstitutePersian Gulf UniversityBushehr 75168Iran Department of Biotechnology Persian Gulf Algae Development TechnologyDelvar Industrial Zone No.55Bushehr 75168Iran Department of Food Science and Technology Shiraz UniversityShiraz 71441-65186Iran Department of Pharmacognosy and Pharmaceutical Biotechnology School of PharmacyIran University of Medical SciencesTehran 14496-14535Iran Department of Hematology Faculty of ParamedicineBushehr University of Medical SciencesBushehr 75146-33341Iran

Marine macroalgal sulfated fucose-containing polysaccharides,like fucoidan,have drawn significant attention due to their biotechnological potentials,such as anti-cancer,antioxidant,and anti-cholinesterase *** fucoidan derived from brown macroalgae Sargassum angustifolium species(FSA)was investigated for its cytotoxic effects and alterations in cell proliferation,and cell cycle-related gene expression in the present study occurred on NB4 cell *** results showed that FSA would induce p53,p21,pro-apoptotic genes and increase expression of the p15 gene as a cell arrest ***,FSA inhibited the anti-apoptotic effect of the Bcl-2 gene and decreased dnmt-1 gene *** significantly exhibited potent 2,2-diphenyl-1-picrylhydrazyl(DPPH)radical scavenging activity(p<0.05)with an IC_(50) value of 0.157 mg/mL and showed moderate anti-acetylcholinesterase activity with an IC_(50) value of 1.20μg/*** results indicated the potential of FSA for the development of therapeutic or preventive agents of cancer and Alzheimer’s disease mainly through cytotoxic effect and AChE(acetylcholinesterase)inhibition as well as additional antioxidant capacities.

关键词： fucoidan Sargassum angustifolium cytotoxicity antioxidant anti-cholinesterase

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