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RISS 인기검색어
- 검색키워드
- 저자 : G. Bharath (검색결과 4 건)
- 무료
- 기관 내 무료
- 유료
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Effects of Fungicides and Bioagents on Seed Mycoflora, Growth and Yield of Watermelon
Bharath, B.G.,Lokesh, S.,Shetty, H.S. The Korean Society for Integrative Biology 2005 Integrative biosciences Vol.9 No.2
Fungicides and antagonists were tested for their efficacy in the management of fungal pathogens of watermelon. The fungal species in different genera were isolated from the seeds of watermelon and their vulnerability was assessed against an array of chemicals and bioagents. Among the fungal pathogens, Fusarium species were effectively controlled by Bavistin. Topsin also showed the promising effects against all the fungal pathogens, and Dithane M-45 effectively controlled Didymella bryoniae. Seed treatment with antagonists like Trichoderma harzianum and T. viride improved the seed germination, seedling vigour and reduced the incidence of seed-borne fungal pathogens. Bavistin and Topsin among chemicals increased significantly the seed germination and vigour index. Trichoderma harzianum showed its efficacy against all Fusarium species and even stood effective than Captan and Blitox. However, Pseudomonas fIuorescens also showed promising effect against Didymella bryoniae over fungicides. Under field condition, Topsin and Dithane M-45 showed better yield than Bioagents.
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Effects of Fungicides and Bioagents on Seed Mycoflora, Growth and Yield of Watermelon
B. G. Bharath,S. Lokesh,H. S. Shetty 한국통합생물학회 2005 Animal cells and systems Vol.9 No.2
Fungicides and antagonists were tested for their efficacy in the management of fungal pathogens of watermelon. The fungal species in different genera were isolated from the seeds of watermelon and their vulnerability was assessed against an array of chemicals and bio-agents. Among the fungal pathogens, Fusarium species were effectively controlled by Bavistin. Topsin also showed the promising effects against all the fungal pathogens, and Dithane M-45 effectively controlled Didymella bryoniae. Seed treatment with antagonists like Trichoderma harzianum and T. viride improved the seed germination, seedling vigour and reduced the incidence of seed-borne fungal pathogens. Bavistin and Topsin among chemicals increased significantly the seed germination and vigour index. Trichoderma harzianum showed its efficacy against all Fusarium species and even stood effective than Captan and Blitox. However, Pseudomonas fluorescens also showed promising effect against Didymella bryoniae over fungicides. Under field condition, Topsin and Dithane M-45 showed better yield than Bioagents.
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Analysing spatial patterns and trend of future urban expansion using SLEUTH
M. C. Chandan,G. Nimish,H. A. Bharath 대한공간정보학회 2020 Spatial Information Research Vol.28 No.1
With the onset of rapid urban growth in the past 3 decades, a developing country for instance India, Africa, etc. has resulted in climatic and environmental changes severely. Pace of urban growth has increased in India post 2000’s because of key driving economic factors coupled with industrial development promoting job opportunities and promising better life style. This has led to cities expanding towards periphery and rural neighbourhood causing urban sprawl. Continuous increase in the built-up area is also responsible for rise in the surface temperature modifying the rainfall patterns and affecting the biodiversity of the region. This communication focuses mainly on the recent urban growth challenges and changing land surface temperature by developing Indian cities with very minimum landscape to house burgeoning population, immediate strategies and action-plan required to mitigate negative environmental impacts and effects on human beings. Further, the study attempts to correlate the dynamic land use change, land cover, land surface temperature and future urban growth scenario for one of the most systematically planned city of India, Chandigarh. Analysis was performed using open source coding and software platforms such as GRASS, QGIS and shell scripting. The study elaborates land use modelling for the year 2025 by adopting cellular automata based open source SLEUTH model The documentation and source code of SLEUTH model are publically available. The model was tested and calibrated in three different modes: coarse, fine and full resolution. The calibration mode showed high spread coefficient suggesting the urban sprawl would take organic growth. Open source software and coding would help in increased scientific output as it would help researchers understand the code that is being implemented and helps in improvisation of exiting codes to variety of applications. Results of this study would help in developing necessary policy measures and sustainable actions that are required to reduce anthropogenic effects on urban and natural environment.
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Kriti Sharma,Young-Kwon Park,Ashok Kumar Nadda,Priya Banerjee,Pradeep Singh,Pankaj Raizada,Fawzi Banat,G. Bharath,Sang Mun Jeong,Su Shiung Lam 한국공업화학회 2022 Journal of Industrial and Engineering Chemistry Vol.109 No.-
Climate change is one of the major global concerns of 21st century, and the release of excessive greenhousegases (GHG) is the foremost reason behind. It has become imperative to either capture excessiveemission of GHG into the atmosphere or to develop advanced and efficient technologies for preventingfurther increase in its atmospheric concentration. Algal and microbial enzymes have been found to beeffective in catalyzing the conversion of GHG to value-added products like biofuels, chemicals, polymers,biogas, and bioelectricity etc. However, these enzymes yield better catalytic activities when applied incombination with nano-materials having similar prowess for capturing and converting GHG. Replacingconventional chemical production through GHG capture and utilization affects emission of the samethroughout the production chain (i.e., from cradle-to-gate). Herein, we analyze the technical potentialof hybrid chemo-biocatalytic processes for GHG capture and their utilization to produce valuable industrialcompounds. The study addresses the biosynthesis as well as genetic and metabolic engineering ofdifferent microbial enzymes for GHG sequestration and conversion. It also reviews recent literature ofusing different advanced materials for immobilization of enzymes and their subsequent application forGHG sequestration and conversion to valuable products.
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