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Effect of Silicon and Nitrogen Nutrition on Pest and Disease Intensity in Rice

Journal of Agricultural Science and Technology(A) 2013年第7期3卷 568-574页

作者： Kasthuri Rajamani Bhupal Raj Gunti Shashi Vemuri ramesh bellamkonda Department of Soil Science and Agricultural Chemistry College of Agriculture Rajendranagar Hyderabad 500030 India Radio Tracer Research Laboratory Acharya N. G Ranga Agricultural University Rajendranagar Hyderabad 500030 India AINP on Pesticide Residues Acharya N.G Ranga Agricultural University Rajendranagar Hyderabad 500030 India

Nutrition management is the most important for high yield production but it may affect the response of rice plants to pest and diseases due to the change of microclimate under rice plant canopy. The knowledge of nutrition management and its relation with pest and diseases are basis for setting up a high yield production system. Most of the pest and disease control procedures used by farmers can be considered as soil fertility management and these nutrition practices can have impact on the physiological susceptibility of crop plants to pest and diseases by affecting the plant resistance. Silicon content of plants is particularly effective against pest and diseases in rice and certain rice genotypes are more efficient accumulators of silicon, thus making them more resistant. In the absence of natural heritable resistance in rice varieties, resistance could be induced by altemate strategies to suppress certain pest and pathogens. Hence experiments were carried out in two stages during kharif 2010 and 2011 to assess the concentration of silicon in the index leaves of rice plant utilizing 133 varieties in four locations. The silica content of promising varieties ranged from 1.50% to 3.20%, 1.60% to 3.15%, 1.49% to 3.20% and 1.55% to 3.06% with a mean values of 2.50%, 2.48%, 2.51% and 2.43% at Jagtial, Warangal, Rajendranagar and Rudrur centres of Telangana region and not much variation in mean silica content in index leaves at different places. The overall yield from four locations ranged from 2,653 kg/ha to 6,860 kg/ha with a mean of 5,624 kg/ha. The yields recorded at Jagtial, Warangal, Rajendranagar and Rudrur centres ranged from 2,886 to 7,198, 2,653 to 6,831, 2,653 to 6,860 and 4,399 to 5,950 kg/ha, respectively. The lowest mean yield 5,069 kg/ha was noticed at Rudrur and the highest yield 5,940 kg/ha was found at Warangal. The variations in yields might be due to genotypic variations and also due to variations in climatic conditions of different locations.

关键词： Nutrition management conventional rice silicon rice genotypes pest and diseases.

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Carboxylesterase and Glutathione-S-Transferase （GST＇s） Induced Resistance to Bacillus thuringiensis Toxin CrylAb in Rice Leaf Folder, Cnaphalocrocis medinalis （Guenee） Populations

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Journal of Agricultural Science and Technology(A) 2013年第1期3卷 53-59页

作者： Veegala ramesh Babu Vemuri Shashi Bhushan Chintalapati Padmavathy: Muthugonder Mohan SenaMahendran. Balachandran bellamkonda ramesh AINP on Pesticide Residues Acharya N.G. Ranga Agricultural University Andhra Pradesh Rajendranagar Hyderabad 500030India Division of Crop Protection Directorate of Rice Research Rajendranagar Andhra Pradesh Hyderabad 500030 India Division of Crop Improvement Directorate of Rice Research Rajendranagar Andhra Pradesh Hyderabad 500030 India

The rice leaf folder （RLF）, Cnaphalocrocis medinalis （Guenee）（lnsecta： Lepidoptera： Pyralidae）, is an important pest, widely distributed in many rice growing areas of Asia. The over-use of broad-spectrum chemical insecticides has been cited as a major cause of outbreaks of C. medinalis as excessive spraying of insecticide disrupts natural biological control insecticides still remain the major control tactics against leaf folder. Carbofuran and fenthion, bendiocarb, acephate, carbosulfan, quinolphos, monocrotophos, phosphamidon and fenvalerate are the common ones used against rice leaf folder. Genetically, modified rice lines expressing B. thuringiensis insecticidal crystal proteins produced are highly tolerant to leidopteran pests. Though economic and environmental benefits of GM crops is well established, the matter of concern is the possibility of target insect pest developing resistance to this B. thuringiensis insecticidal toxins, evident from many laboratory and field experiments against many insect pests. The involvement of GSH S-transferase, carboxylesterase, and microsomal monooxygenase in insecticide resistance has been reported in insecticide-resistant strains of many insect species. Hence, the present study was taken up to monitor for cross resistance between B. thuringiensis cry toxins and synthetic insecticides in larvae of leaf folder as it is mediated by carboxylesterase titre and other enzymes by bioassay for two selected rice leaf folder field populations at the Entomology division of Directorate of Rice Research which showed 2-fold resistance ratio. Qualitative and quantitative changes of carboxylesterase （CarE） and glutathione-s-transferase （GST＇s） were worked out with midguts extracts of the two C. medinalis populations in the presence of a-napthyl acetate and chlorodi-nitro benzene substrates.

关键词： Cnaphalocrocis medinalis carboxylesterase and glutathione-s-transferase isozymes B type esterases.

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Efficacy of Acaricides alone and in Combination with Propiconozole against Rice Panicle/Sheath Mite, Steneotarsonemus spinki

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Journal of Agricultural Science and Technology(B) 2013年第2期3卷 107-110页

作者： Suresh Daravath Shashi Bhushan Vemuri N.Ramagopal varma ramesh bellamkonda Ainp on Pesticide Residues Acharya N.G. Ranga Agricultural University Hyderabad Andhra Pradesh 500030 lndia

Experiments were conducted for chemical management against panicle mite, Steneotarsonemus spinki using seven treatments. Based on the overall performance of chemicals against this pest, spiromesifen ~ propiconazole, diafenthuron ＋ propiconazole and fenpyroxymate alone were found effective against panicle mite and associated grain discolouration. Spiromesifen （1 mL）＋ propiconazole （l mL） per litre of water was the best treatment which recorded 24.77% increase in grain yield over control.

关键词： Panicle mite spiromesifen grain discolouration

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Qualitative and Quantitative Changes in Biochemical Constituents in the Rice Plant Treated with Different Xenobiotics

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Journal of Agricultural Science and Technology(B) 2013年第1期3卷 17-25页

作者： Mangalam Nantha kumar Vemuri Shashibhushan Vinnakota Jhansi Lakshmi Muthugonder Mohan bellamkonda ramesh Ainp on Pesticide Residues Acharya N. G.Ranga Agricultural University Hyderabad .4ndhra Pradesh 500030 India Directorate of Rice Research Hyderabad Andhra Pradesh 500030 lndia

Experiments were conducted at Entomology division of Directorate of Rice research to study the qualitative and quantitative changes in biochemical constituents in the rice plant treated with different xenobiotics, viz. insecticides like deltamethrin, imidacloprid, herbicide like 2,4-Dichlorophenoxyacetic acid, fungicide like carbendazim, green manure Calotropis gigantea leaves, botanicals like Neem Seed Powder and fertilizer urea along with control plants of TN1, PTB33 and Swama varieties comprising of total 15 treatments. Application of butachlor, carbendazim, deltamethrin and excessive nitrogen fertilization resulted in increased population build up of brown plant hopper （BPH）. Significantly, lower honeydew excretion （13 mme area） in the BPH nymphs was observed on resistant PTB33 variety compared to susceptible TN1 and Swarna varieties （116 and 110 mm2 respectively）. In susceptible TN1 variety, the sucrose content was significantly higher （9.35 mg/g tissue） compared to BPH resistant PTB33 （5.32 mg/g tissue）. The BPH resistant PTB33 variety exhibited significantly lower free amino acid content （1.23 mg/g tissue） as compared to TN1 （2.51 mg/g）. The C/N ratio was comparatively high in the resistant PTB33 alone （4.32）, but was low in PTB33 applied with 2,4-D ＋ carbendazim （2.73）, 2,4-D ＋ imidacloprid ~ carbendazim （2.3）, excess urea fertilizer （2.18）. The total phenol contents measured in resistant PTB33 （7.5 mg/g dry wt）, susceptible TN1 （5.865 mg/g dry wt） and the popular variety Swarna （5.57 mg/g dry wt） were almost same and no statistical difference was observed. Further, treatment of these varieties with different xenobiotics and botanicals also did not significantly alter their total phenol content. However, the phenol content of the resistant PTB 33 alone and treated with xenobiotics was higher compared to the susceptible TN 1 and Swarna varieties alone and treated with xenobiotics. The plant biochemical constituents such as free amino acids, sucrose were lower

关键词： 2,4-Dichlorophenoxyacetic acid Oryza sativa L. xenobiotics BPH.

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Rational manipulation of electrolyte to induce homogeneous SEI on hard carbon anode for sodium-ion battery

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Journal of Energy Chemistry 2024年第7期94卷 414-429页

作者： Lu Liu Lingling Xiao Zhi Sun Shahid Bashir ramesh Kasi Yonghong Gu ramesh Subramaniam Research Center for Clean Utilization Technology Phosphorous Resources Hubei Three Gorges PolytechnicYichang 443000HubeiChina Department of Physics Faculty of ScienceUniversiti MalayaKuala Lumpur 50603Malaysia UM Power Energy Dedicated Advanced Centre(UMPEDAC) Level 4Wisma R&DUniversiti MalayaKuala Lumpur 59990Malaysia Department of Chemistry Saveetha School of EngineeringInstitute of Medical and Technical ScienceSaveetha UniversityChennai 602105TamilnaduIndia

Sodium-ion batteries (SIBs) have great potential to be the next major energy storage devices due to their obvious advantages and developing advanced electrodes and electrolytes is urgently necessary to promote its future ***,hard carbon as a state-of-the-art anode of SIBs still suffers from the low initial Coulomb efficiency and unsatisfactory rate capability,which could be improved by forming desirable solid electrolyte interphases (SEI) to some ***,the chemistry and morphology of these interfacial layers are fundamental parameters affecting the overall battery operation,and optimizing the electrolyte to dictate the quality of SEI on hard carbon is a key ***,this review summarizes the recent research on SEI design by electrolyte manipulation from solvents,salts,and *** also presents some potential mechanisms of SEI formation in various electrolyte ***,the current advanced characterization techniques for electrolyte and SEI structure analyses have been comprehensively ***,current challenges and future perspectives of SEI formation on hard carbon anode for SIBs are provided from the viewpoints of its compositions,evolution processes,structures,and characterization techniques,which will promote SEI efficient manipulation and improve the performance of hard carbon,and further contribute to the development of SIBs.

关键词： SEI Electrolyte optimization Hard carbon Electrochemical performance Sodium-ion batteries

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Multi-scale habitat influences sprainting and group size of a freshwater-obligate smooth-coated otter(Lutrogale perspicillata) in Tungabhadra Otter Conservation Reserve, India

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Ecological Processes 2024年第1期13卷 159-175页

作者： Ankit Moun P.ramesh Kumar M.Malathi Priya T.ramesh Riddhika Kalle Sálim Ali Centre for Ornithology and Natural History Deputy Conservator of Forests Bellary Territorial Forest Division Deputy Conservator of Forests Working Plan and Survey and Research WingBellary Territorial Forest Division Centre for Functional Biodiversity University of Kwa Zulu-Natal

Background The impact of changing land-use patterns and associated anthropogenic threats on scale-dependent habitat use of semi-aquatic mustelids in scent-marking and social behaviour can provide important insights into the habitat ecology of smooth-coated otters(Lutrogale perspicillata).Methods We sampled 180 stream segments(100–400 m) as spatial replicates of 60 1-km2 sites to record indirect evidence(i.e. spraints and mass latrine sites) and group sizes of smooth-coated otters along the Tungabhadra Otter Conservation Reserve(TOCR) during the dry season. To quantify habitat, we recorded stream characteristics, riparian vegetation, and anthropogenic disturbances at the local scale, and hydro-environmental characteristics and land uses at the landscape scale. Using Markovian-chain detection and occupancy models, we assessed the multi-scale habitat use of otters in their selection of suitable areas for scent-marking based on repeated presence-absence data on spraint/latrine locations along the TOCR. We further used linear regression techniques to explore relationships between the number of individuals in smooth-coated otter group and hydro-environmental characteristics, spraint/latrine encounter rate, anthropogenic pressure, land cover, topography, and *** At the local scale, the probability of spraint deposition and group size decreased with anthropogenic disturbance while the probability of spraint detections decreased with grass cover. At the landscape scale, the probability of otter site use for spraint deposition and group sizes increased in southeast flowing streams. Spraint deposition increased with the proportion of sugarcane fields, whereas in contrast, group size decreased with proportion of sugarcane *** Our findings highlight the first empirical evidence on multi-scale habitat use of a southern Indian population of smooth-coated otters in an inland freshwater ecosystem surrounded by the scrub jungle–agriculture matrix. We sug

关键词： Presence-absence modelling Inland river Freshwater ecosystem Semi-aquatic mammal Smooth-coated otter

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Microstructural characterization,tribological and corrosion behavior of AA7075-TiC composites

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China Foundry 2024年第4期21卷 334-342页

作者： Surendarnath Sundaramoorthy ramesh Gopalan Ramachandran Thulasiram Department of Mechanical Engineering DVR&Dr.HS MIC College of Technology(A)Vijayawada521180India Department of Metallurgical and Materials Engineering Rajiv Gandhi University of Knowledge TechnologiesRK ValleyKadapaIndia Department of Mechanical Engineering Jain UniversityBangaloreIndia

Aluminum alloys are the potential materials in the automobile and aerospace sectors due to their lower density,easy forming and excellent corrosion *** demand of high strength-to-weight ratio materials in structural applications needs the engineering industries to seek aluminum alloy with new versions of hard and brittle ceramic *** microstructure,hardness,wear and corrosion behaviors of AA7075 composites with 2.5wt.%and 5wt.%TiC particles were *** analysis is evident that the transformation of the strong dendritic morphology to non-dendritic morphology on the incorporation of TiC into ***,the precipitation of the second-phase compounds such as Al_(2)CuMg,Al_(2)Cu andFe-rich Al_6(Cu,Fe)/Al_(7)Cu_(2)Fe)is promoted by TiC particles at inter-and intra-dendritic ***,the hardness of composites is improved by grain boundary strengthening and particulate strengthening *** coefficient of friction and wear rate have an inverse relation with TiC *** base alloy without TiC shows adhesive-type wear-induced deformation due to the formation of an oxide film,while composite samples exhibit a mechanically mixed layer and abrasive-type wear *** samples shows a higher corrosion rate due to the presence of numerous precipitates which promote pitting corrosion.

关键词： AA7075 alloy TiC reinforcement composite microstructure wear corrosion tribological

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Foeniculum vulgare *** lipopolysaccharide-induced microglia activation and ameliorates neuroinflammation-mediated behavioral deficits in mice

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Asian Pacific Journal of Tropical Biomedicine 2024年第1期14卷 28-39页

作者： Sushruta Koppula ramesh Alluri Spandana Rajendra Kopalli College of Biomedical and Health Sciences Konkuk UniversityChungju-SiChungcheongbuk Do27478Republic of Korea Cognitive Science Research Initiative Lab Department of PharmacologyVishnu Institute of Pharmaceutical Education and ResearchNarsapurTelangana502313India Department of Bioscience and Biotechnology Sejong UniversityGwangjin-guSeoul 05006Republic of Korea

Objective:To investigate the effect of Foeniculum vulgare extract against lipopolysaccharide(LPS)-induced microglial activation in vitro as well as cognitive behavioral deficits in ***:LPS-activated BV-2 cell viability was measured using MTT assay and reactive oxygen species(ROS)was studied using DCF-DA *** antioxidative enzymes and pro-inflammatory mediators were analyzed using respective ELISA kits and Western *** in vivo testing,LPS(1 mg/kg,i.p.)was given daily for five days in male Swiss albino mice to produce chronic *** and behavioral tests were performed using open-field,passive avoidance,and rotarod experiments in LPS-induced ***:Foeniculum vulgare extract(25,50 and 100μg/mL)significantly attenuated the LPS-activated increase in nitric oxide(NO),ROS,cyclooxygenase-2,inducible NO synthase,IL-6,and TNF-alpha(P<0.05).Moreover,LPS-induced oxidative stress and reduced antioxidative enzyme levels were significantly improved by Foeniculum vulgare extract(P<0.05).The extract also regulated the NF-κB/MAPK signaling in BV-2 *** an in vivo study,Foeniculum vulgare extract(50,100,and 200 mg/kg)markedly mitigated the LPS-induced cognitive and locomotor impairments in *** fingerprinting analysis showed distinctive peaks with rutin,kaempferol-3-O-glucoside,and anethole as identifiable ***:Foeniculum vulgare extract can ameliorate LPS-stimulated neuroinflammatory responses in BV-2 microglial cells and improve cognitive and locomotor performance in LPS-administered mice.

关键词： Foeniculum vulgare Microglia Lipopolysaccharide Antioxidant Neuroinflammation MAPK signaling Cognition

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Navigating the intersection of psychiatry and ophthalmology:A comprehensive review of depression and anxiety management in glaucoma patients

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World Journal of Psychiatry 2024年第3期14卷 362-369页

作者： Prasanna Venkatesh ramesh Arvind Kumar Morya Ashik Azad Pavithra Pannerselvam Aji Kunnath Devadas Sai Thaejesvi Gopalakrishnan Shruthy Vaishali ramesh Ajanya K Aradhya Department of Glaucoma and Research Mahathma Eye Hospital Private LimitedTrichy 620017Tamil NaduIndia Department of Ophthalmology All India Institute of Medical SciencesHyderabad 508126TelanganaIndia Department of Optometry and Visual Science Mahathma Eye Hospital Private LimitedTrichy 620017Tamil NaduIndia Junior Resident Mahathma Eye Hospital Private LimitedTrichy 620017Tamil NaduIndia Department of Cataract and Refractive Surgery Mahathma Eye Hospital Private LimitedTrichy 620017Tamil NaduIndia

Glaucoma,a prevalent and debilitating eye disease,has long been associated with vision impairment and ***,recent research has shed light on the often-underestimated psychological dimensions of this *** and depression,two pervasive psychiatric comorbidities,have been increasingly recognized among glaucoma *** comprehensive review aims to explore the intricate relationship between psychiatry and ophthalmology,in the context of managing depression and anxiety in glaucoma *** meticulously examining peer-reviewed literature,we synthesize current knowledge on the prevalence,risk factors,and underlying mechanisms of anxiety and depression in *** evidence reveals that glaucoma patients face an elevated risk of experiencing these mood *** such as progressive vision loss,complex medication regimens,and the fear of further visual deterioration contribute to their ***,we delve into the bidirectional relationship between glaucoma and mood disorders,shedding light on the complex interplay between ocular and emotional *** review investigates the implications of anxiety and depression on glaucoma management,including their potential impact on treatment adherence,disease progression,and overall quality of *** also explore the neurobiological pathways linking glaucoma and mood disorders,providing a foundation for future research and potential therapeutic *** conclusion,recognizing the psychological burden carried by glaucoma patients is essential for holistic and patient-centered *** review underscores the pressing need for integrated approaches that bring together ophthalmological and psychiatric expertise to optimize the well-being of individuals facing the challenges of *** addressing anxiety and depression in glaucoma care,healthcare providers can enhance the overall quality of life for these patients,ultimately leading to improved outcomes and a brighter

关键词： Glaucoma Psychiatry Depression Anxiety Risk factors Bidirectional relationship

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Prediabetes: An overlooked risk factor for major adverse cardiac and cerebrovascular events in atrial fibrillation patients

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World Journal of Diabetes 2024年第1期15卷 24-33页

作者： Rupak Desai Nishanth Katukuri Sumaja Reddy Goguri Azra Kothawala Naga Ruthvika Alle Meena Kumari bellamkonda Debankur Dey Sharmila Ganesan Minakshi Biswas Kuheli Sarkar Pramoda Prattipati Shaylika Chauhan Independent Researcher Independent ResearcherAtlantaGA 30079United States Department of Internal Medicine Mayo ClinicRochesterMN 55902United States Department of Medicine Chalmeda Anand Rao Institute of Medical SciencesTelangana 505001India Department of Medicine Jawaharlal Nehru Medical CollegeBelgaum 590010India Department of Medicine Narayana Medical CollegeAndhra PradeshNellore 524003India Department of Medicine Dr Pinnamaneni Siddhartha Institute of Medical Sciences and Research FoundationVijaywada 521286India Department of Medicine Medical College KolkataKolkata 700073India Department of Medicine P.E.S.Institute of Medical Sciences and ResearchAndhra Pradesh 517425India Department of Medicine Shaheed Ziaur Rahman Medical CollegeBogra 5800Bangladesh Department of Medicine College of Medicine and J.N.M HospitalKalyani 741235India Department of Medicine Jawaharlal Nehru Medical College IndiaKarnatakaBelagavi 590010India Department of Internal Medicine Geisinger Health SystemWikes-BarrePA 18702United States

BACKGROUND Prediabetes is a well-established risk factor for major adverse cardiac and cerebrovascular events(MACCE).However,the relationship between prediabetes and MACCE in atrial fibrillation(AF)patients has not been extensively ***,this study aimed to establish a link between prediabetes and MACCE in AF *** To investigate a link between prediabetes and MACCE in AF *** We used the National Inpatient Sample(2019)and relevant ICD-10 CM codes to identify hospitalizations with AF and categorized them into groups with and without prediabetes,excluding *** primary outcome was MACCE(all-cause inpatient mortality,cardiac arrest including ventricular fibrillation,and stroke)in AF-related *** Of the 2965875 AF-related hospitalizations for MACCE,47505(1.6%)were among patients with *** prediabetes cohort was relatively younger(median 75 vs 78 years),and often consisted of males(56.3%vs 51.4%),blacks(9.8%vs 7.9%),Hispanics(7.3%vs 4.3%),and Asians(4.7%vs 1.6%)than the non-prediabetic cohort(P<0.001).The prediabetes group had significantly higher rates of hypertension,hyperlipidemia,smoking,obesity,drug abuse,prior myocardial infarction,peripheral vascular disease,and hyperthyroidism(all P<0.05).The prediabetes cohort was often discharged routinely(51.1%vs 41.1%),but more frequently required home health care(23.6%vs 21.0%)and had higher *** adjusting for baseline characteristics or comorbidities,the prediabetes cohort with AF admissions showed a higher rate and significantly higher odds of MACCE compared to the non-prediabetic cohort[18.6%vs 14.7%,odds ratio(OR)1.34,95%confidence interval 1.26-1.42,P<0.001].On subgroup analyses,males had a stronger association(aOR 1.43)compared to females(aOR 1.22),whereas on the race-wise comparison,Hispanics(aOR 1.43)and Asians(aOR 1.36)had a stronger association with MACCE with prediabetes vs whites(aOR 1.33)and blacks(aOR 1.21).CONCLUSION This population-

关键词： Prediabetes Atrial fibrillation Cardiovascular disease risk Major adverse cardiovascular and cerebrovascular events Stroke Mortality

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