580 research outputs found

    The Language of Crisis: Print Media’s Re[presentation] of the Covid-19 Discourses through Linguistic Choices

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    The Covid-19 pandemic has sparked intense discourse and public debate, underscoring the critical role of print media in disseminating information and shaping public understanding. This paper explores the representation of Covid-19 discourses by print media, with a particular focus on linguistic choices. Employing a qualitative research approach, this study investigates how print media, including reputable sources such as The New York Times, The Washington Post, and The Guardian, employed specific linguistic strategies to represent the discourses surrounding the Covid-19 crisis. Through analysis of news items, newspaper articles, and editorials, the research aims to uncover the underlying linguistic patterns used to frame and portray the pandemic. The study aims to uncover the underlying patterns and variations in the language employed by media outlets to frame and portray the pandemic. The findings suggest that print media employed various linguistic strategies to represent the discourses surrounding Covid-19. Lexical selection plays a significant role, with certain words and phrases being strategically employed to convey specific meanings and evoke emotional responses. The New York Times, for example, tends to use precise and factual language, while The Guardian may employ more emotive and inclusive language. Additionally, the use of metaphors and analogies enables print media to frame the crisis in relatable terms, shaping public understanding and interpretation. Furthermore, the tone and rhetoric employed by print media contribute to the construction of different discourses surrounding the pandemic. For instance, some newspapers may emphasize the economic impact of the crisis, while others focus on the healthcare and social implications. These discourses influence public perception, policy decisions, and societal responses. Understanding the language of crisis employed by print media in representing the discourses surrounding Covid-19 is essential for comprehending the societal impact and dynamics of the pandemic. This research contributes to media literacy and critical analysis by highlighting the role of linguistic choices in shaping public discourse. It underscores the need for responsible and ethical journalism that presents a nuanced and balanced representation of the Covid-19 crisis. Keywords: Language of crisis, print media, representation, Covid-19 discourses, lexical selection, metaphors, framing, tone, rhetoric DOI: 10.7176/RHSS/13-10-07 Publication date:May 31st 202

    Agronomic Performance of Sunflower (Helianthus annuus L.) to Different Levels of Nitrogen, Sulphur and Farmyard Manure under Temperate Conditions

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    A field study was conducted to ascertain the impact of nitrogen, sulphur and farmyard manure (FYM) on development dynamics and yield of sunflower (Helianthus annuus L.). Application of 120 kg N ha-1 significantly increased all the yield components viz., plant height, leaf area index, dry matter production, capitulum diameter, achenes capitulum-1 and 1000-seed weight during two years of experimentation. Pooled seed yield over two years and for individual year’s also recorded significant increase, however 80 and 120 kg N ha-1 were statistically similar. The oil content showed consistent decrease with increase in nitrogen levels, whereas oil yield showed significant improvement with increase in nitrogen application up to 120 kg ha-1 during both years. Sulphur application at 60 kg ha-1 significantly increased plant height, leaf area index and dry matter production at various crop growth periods except at 25 DAS over 30 kg S ha-1.All yield contributing characters viz., total achenes capitulum-1, filled achenes capitulum-1, head diameter and 1000-seed weight recorded significance with sulphur application at 60 kg ha-1 over 30 kg S ha-1 during both years of experimentation. However sterility percentage remained unaffected with different sulphur levels. Seed and stalk yield during 2009 and 2010 and pooled seed yield over two years recorded  with 60 kg S ha-1 was  significantly higher than 30 kg S ha-1. Both oil content and oil yield recorded significant improvement with increase in sulphur application from 30 to 60 kg S ha-1. FYM application at 10 and 20 t ha-1, at par with one another, recorded significant improvement in the plant height, leaf area index and dry matter production of sunflower at various crop growth periods except at 25 DAS over no FYM application during both years of experimentation. Seed yield over two years recorded with 10 and 20 t FYM ha-1 was at par but significantly higher than no FYM application. However, the stalk yield showed significant and consistent increase with increase in FYM rate up to 20 t ha-1. Oil content remained unaffected by different FYM levels during both years of experimentation. However, oil yield increased significantly and consistently with increase in FYM levels up to 20 t ha-1. Keywords: FYM,  Sulphur, Sunflower, Nitrogen, Yield

    Effect of Silver Ions on Ethylene Metabolism of Mustard Grown Under Irrigated and Non- irrigated Conditions

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    A field experiment was conducted during the winter season of 2004-2005 at the Experimental farm of Aligarh Muslim University, Aligarh, India on mustard (Brassica juncea L. Czen and Coss, cultivar Alankar) under irrigated and non -irrigated  conditions to evaluate the application of 0  and 200 Ăƒâ€šĂ‚Â”l/L  ethrel (E200) or 1 mM silver thiosulphate (S) at flowering stage along with a basal  uniform application of 80 kg N ha-1 on leaf area, plant dry mass, net photosynthetic rate and seed yield. Silver thoisulphate, which inhibits the physiological action of ethylene was used in the experiment with ethrel. Ethrel is a source of ethylene and its effects are manifested through physiological action of ethylene. Ethrel 200 Ăƒâ€šĂ‚Â”l/L (E200) treatment enhanced leaf area, net photosynthetic rate, plant dry mass and seed yield by 10.6, 9.1, 7.7 and 11.6% over S treatment. So silver thiosulphate (S) reduces the physiological action of ethrel (source of ethylene) in this study. This clearly indicates that silver ions used in this experiment in the form of silver thiosulphate inhibits the action of ethylene metabolism in mustard

    Genetic diversity and relationship assessment among mulberry (Morus spp) genotypes by simple sequence repeat (SSR) marker profile

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    Mulberry (Morus L.) is essential for sericulture industry as the primary source of food for silkworm Bombyx mori L. In India, long tradition of practising sericulture includes the use of a large number of indigenous cultivars. Since knowledge on genetic divergence of these cultivars/varieties is imperative for conservation and gainful utilization, simple sequence repeat (SSR) profiling was employed to assess genetic relatedness among 17 mulberry genotypes maintained in the Germplasm Bank of Temperate Sericulture Institute, SKUAST Kashmir, Mirgund. Six SSR primers were utilised which generates 17 alleles among the genotypes. The polymorphism information content (PIC) value varied from 0.260 (MulSTR3) to 0.623 (MulSTR4), with an average of 0.438 per locus. The highest similarity value of 0.92 was observed between Lemoncina and Kanva-2, as compared to the lowest similarity coefficient of 0.15 was between SKM-48 and Chinese white. Clustering of the genotypes was done with unweight pair group method using arithmetic average (UPGMA) which generates five clusters. Cluster-2 contained maximum (six) genotypes.Keywords: Clustering, genetic relatedness, mulberry, SSRAfrican Journal of Biotechnology Vol. 12(21), pp. 3181-318

    Concurrent Lateral Condyle Mass Fracture With Olecranon Fracture: A Case Report and Brief Review of Literature

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    Introduction: There is very limited literature describing the association of lateral condyle mass (LCM) fracture of the distal humerus associated concurrently with olecranon fracture. Herein, a case is reported of a displaced LCM fracture with displaced olecranon fracture, due to complex trauma while getting out of a vehicle, which was managed by open reduction and internal fixation. Case Presentation: A 4.5- year- old boy suffered severe pain and swelling around his right elbow due to trauma which he suffered while trying to get out of a vehicle which was in motion. Plain radiographs of the anteroposterior, lateral, and oblique views showed a displaced lateral mass fracture associated with a displaced olecranon fracture. Open reduction and internal fixation was carried out and near normal function was achieved. Conclusions: In view of the paucity of literature and rare incidence of this injury, this case report highlights the need to be aware of other injuries which can occur in association with LCM fractures in children

    Effect of ethrel and nitrogen on nitrate reductase activity, photosynthesis, biomass and yield of mustard (Brassica juncea L. Czern and Coss)

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          The plants of mustard (Brassica juncea L. Czern and Coss; cultivar Alankar) were treated with 200 Ăƒâ€šĂ‚Â”L/L ethrel (2-chloro ethyl phosphonic acid) at flowering stage (60 d after sowing) along with basal application of nitrogen 40, 60, and 80 kg N ha-1. Effect of ethrel and nitrogen on leaf area index (LAI), net photosynthetic rate (PN), nitrate reductase (NR) activity and plant dry mass were recorded at 80 and 100 d after sowing. At harvest pods plant-1, 1000 seed mass and seed yield were recorded. Ethrel 200 Ăƒâ€šĂ‚Â”L/L x 80 kg N ha-1 treatment enhanced all the characteristics studied during the experiment

    Pathogenic variability in Exserohilum turcicum and identification of resistant sources to turcicum leaf blight of maize (Zea mays L.)

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    Turcicum leaf blight of maize incited by Exserohilum turcicum (Pass.) Leonard and Suggs is the major limiting factor of maize production in temperate agro-ecologies. Disease management through host plant resistance is the most effective strategy. In the present study among 26 maize genotypes which were initially screened for resistance against E. turcicum under field conditions, 8 genotypes viz., PS 39, CML 451, CML 470, CML 472, VL 1030, VL 1018140, VL1018527 and SMI178-1 were found resistant when screened against twelve isolates of E. turcicum under artificial epiphytotic conditions. Eight genotypes viz., PS45, CML165, CML459, VL1249, VL0536, SMC-5, SMC-3 and KDL 211 were found moderately resistant with disease grade ranged from 2.1-2.5. These maize genotypes possess resistance to turcicum leaf blight can be used successfully in developing high yielding early maturing varieties for high altitude temperate agro-ecologies. The fungus E. turcicum is highly variable in nature. Variability studies on pathogenicity were conducted on twelve isolates of E. turcicum on eleven putative differential maize lines. During the present study a wide pathogenic variation was observed among the twelve isolates of E. turcicum. Cluster analysis on the basis of similarity or dissimilarity in reaction types exhibited by the differential hosts, clustered the isolates into 6 pathogenic groups. The isolates belonged to higher altitudes (Kti 10, Kti11, Kti5) were found to be more aggressive as compared to the isolates of low altitude areas

    Species-specific identification of adulteration in cooked mutton Rista (a Kashmiri Wazwan cuisine product) with beef and buffalo meat through multiplex polymerase chain reaction

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    Abstract Aim: Meat adulteration is a serious problem in the meat industry and needs to be tackled to ensure the authenticity of meat products and protect the consumers from being the victims. In view of such likely problem in indigenous meat products of Kashmiri cuisine (Wazwan), the present work was performed to study the detection of beef and buffalo meat in cooked mutton Rista by mitochondrial DNA (mtDNA) based multiplex polymerase chain reaction (PCR) method under laboratory conditions. Materials and Methods: Three experimental trials were conducted wherein the products were prepared from pure mutton, beef and buffalo meat, and their admixtures in the ratios of 60:20:20, 80:10:10, 90:05:05 and 98:01:01, respectively. Results: The primers used in the study amplified the cyt b gene fragments of sizes 124 bp, 472 bp and 585 bp for buffalo, cattle and sheep, respectively. It was possible to detect cattle and buffalo meat at the level of 1% in the mixed meat cooked Rista. The multiplex PCR successfully amplified cyt b gene fragments of mtDNA of the target species and thus produced characteristic band pattern for each species. The band intensities of cattle and buffalo in the mixed meat Rista progressively decreased corresponding to their decreasing level from 20% to 1%. Processing, cooking (moist heating) and non-meat formulation ingredients had no effect on detection of meat species adulteration. Conclusion: The multiplex PCR procedure standardized and developed in this study is simple, efficient, sensitive, reliable and highly specific for detecting falsification of cooked mutton product with beef and buffalo meat up to 1% level

    Transgenesis: An efficient tool in mulberry breeding

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    Genetic engineering is the most potent biotechnological approach dealing with transfer of specially constructed gene assemblies through various transformation techniques. Tools of recombinant DNA technology facilitated development of transgenic plants.  The plants obtained through genetic engineering contain a gene or genes usually from an unrelated organisms, and are known as transgenic plants. The combined use of recombinant DNA technology, gene transfer methods and tissue culture techniques has  led to the efficient transformation and production of transgenics in a wide variety of crop plants. In fact transgenesis has emerged as a novel tool for carrying out “single gene breeding” or transgenic breeding of crop plants. Identification, isolation and cloning of resistant genes is the prerequisite for development of transgenic plants for disease resistance. Identification of resistance genes on the basis of amino acid sequence, conservation enables plant breeder to monitor resistance gene segregation using  appropriate DNA probe intend of testing progeny for disease resistance and susceptibility. Significant developments in plant  genetic modification have been achieved in the last 15 years. Some of the success include herbicide tolerant corn, cotton,  soyabeen and papaya; virus resistant corn, potato, cotton among others. In mulberry, little work has been carried out at Delhi University (south campus). They have developed drought and salinity tolerent transgenic mulberry through Agrobacterium mediated transformation. The overexpression of HVA1 gene from barley generates tolerence to salinity and water stress in  transgenic mulberry (Morus indica).Keywords: Transgenic plant, mulberry, resistance, salinity

    Genetic diversity analysis in the Hypericum perforatum populations in the Kashmir valley by using inter-simple sequence repeats (ISSR) markers

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    Assessment of genetic variability among the Hypericum perforatum populations is critical to the development of effective conservation  strategies in the Kashmir valley. To obtain accurate estimates of genetic diversity among and within populations of H. perforatum, inter-simple sequence repeats (ISSR) markers were used. The study was aimed to check, whether ISSR fingerprinting may be a useful tool for studying genetic variations among H. perforatum populations in the Kashmir valley (India). A total of 15 ISSR primers were tested with the 20 genotypes of H. perforatum. The ten informative primers were selected and used to evaluate the degree of polymorphism and genetic relationships within and among all the H. perforatum populations. ISSR of 20 genotypes analysis yielded 98 fragments that could be scored, of which 71 were polymorphic, with an average of 7.1 polymorphic fragments per primer. Number of amplified fragments varied in size from 150 to 1650 bp. Percentage of polymorphism ranged from 60% to a maximum of 100%. Resolving power ranged from a minimum of 7.7 to a maximum of 14.3. Shannon indexes ranges from 0.166 to 0.389 with an average of 0.198 and Nei’s genetic diversity (h) ranges from 6.98 to 9.8. Estimated value of gene flow (Nm = 0.579) indicated that there was limited gene flow among the populations. The genetic diversity (Ht) within the population of 0.245 was clearly higher than that of among population genetic diversity (Hs= 0.115), indicating an out-crossing predominance in the studied populations. Analysis of molecular variance by ISSR markers indicated that over half of the total variation in the studied populations (58%) could be accounted for by differences among the 8 divisions, with a further 42% being accounted for by the variation among populations within a division.The dendrogram grouping the populations by unweighted pair-group method with arithmeticaverages (UPGMA) method revealed eight main clusters. In conclusion, combined analysis of ISSR markers and hypericin content is an optimal approach for further progress and breeding programs.Keywords: Hypericum perforatum (St. John's Wort), inter-simple sequence repeats (ISSR) markers, unweighted pair-group method with arithmetic averages (UPGMA), Nei’s genetic diversityAfrican Journal of Biotechnology, Vol. 13(1), pp. 18-31, 1 January, 201
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