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- Supriya Kumari
- Ritesh Kumar
- Sanjeev Kr. Chakrovourty
- Rabish Chandra
- Animesh Sinha
- B. P. Tamta
- B. S. Chandrashekhar
- V. P. Panwar
- P. K. Das
- R. Krishnamurty
- G. K Prasad
- S. K Singh
- G. K. Prasad
- S. K. Singh
- S. K. Gangopadhyay
- S. P. Banerjee
- S. K. Banerjee
- Balvinder Singh
- K. S. Kapoor
- A. Nandi
- S. B. Singh
- C. B. S. Dutta
- B. Banerjee
- Aparajita Nandi
- O. K. Pal
- D. K. Pal
- Suraj Kumar
- A. Das
- K. C. Dora
- S. Sarkar
- S. Chowdhury
- C. Dutta
- A. K. Panigrahi
- C. Sengupta
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z All
Nath, S.
- Effect of Growth Promoting Substances and Rhizome Separation Technique on Clonal Propagation of Bambusa vulgaris var. striata
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Indian Forester, Vol 138, No 2 (2012), Pagination: 116-122Abstract
A nursery trial has been carried out at Institute of Forest Productivity, Lalgutwa, Ranchi to assess the direct and residual effect of different growth promoting hormones (IAA, IBA, NAA and Boric Acid) individually and in combination on clonal propagation of Bambusa striata. Double node cuttings of 1 to 2 yr old culms have been used to study the shoot - ischolar_main development and rhizome genesis during propagation. Subsequent propagation of the developed BPS raised from culm segments having intact and detached (segregated by splitting) rhizome system in poly pots containing soil:sand:FYM at 2:1:1 ratio have also been studied for another 180 days. Phytohormones did not show any positive influence on ischolar_maining and rhizome genesis in culm cuttings of B. striata. Culming intensity from intact rhizome system has been slightly more than from segregated rhizome system. However, from the latter, double number of BPS of almost identical vigor can be raised within same nursery gestation period. Boric acid and combined hormone mixture have shown positive effect on new culm recruitment both in the intact and detached form of the propagules through producing more number of rhizomes. The combination of these hormones also favoured positive results in increasing culm length.Keywords
Bambusa striata, Clonal Propagation, phytohormones, Rhizome Separation Technique- Bamboo Resources of Jharkhand
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Indian Forester, Vol 138, No 5 (2012), Pagination: 422-433Abstract
Studies have been conducted to assess bamboo resources at both forest and non-forest areas in the state of Jharkhand. Information on land use, bamboo overlapping areas in forests, demographic features of the villages, households owning bamboos, species diversity, their growth, productivity etc., have been collected on sample survey basis covering all the agro-climatic zones of the state. 14.51% of total forest area (TFA) is covered with potential natural bamboos of mainly Dendrocalamus strictus (>98% area) with average clump density of 170 (clumps ha -1). Other species encountered are Bambusa bambos and Gigantochloa albociliata. The natural bamboos are in a state of severe degradation due to indiscriminate felling by villagers, absence of any management system and lack of state vigilance. From the villages of Jharkhand altogether 10 bamboo species have been found with dominant species being Bambusa nutans (representing 84.582% of TBA and 1.314% of TGA), Dendrocalamus strictus (11.924% of TBA and 0.185% of TGA), and Bambusa bambos (2.257% on TBA and 0.035% on TGA). 1.554 % of TGA is covered by homestead bamboos which is equivalent to 16.852% of TNA and 10.442% of TNA + CW as per the land use of the state. Contrary to this, 131.769% of TNA or 59.349 % TNA + CW in three blocks of East Singhbhum district is under homestead bamboos. This indicate that, by retaining 50% of land under these two land use classes for other domestic purposes, it is possible to extend bamboo cultivation in additional 39.558% of land not used for cultural practices in the state with suitable species and adequate extension mechanism to safeguard ecological and economic scenario of the state.Keywords
, Bamboo Resources, Natural Bamboo Forest, Homestead Bamboo Cultivation, Bamboo Diversity- Productivity and Suitability of Eucalyptus Provenances in Lateritic Soils of West Bengal
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Indian Forester, Vol 124, No 11 (1998), Pagination: 907-917Abstract
The growth, biomass production and productivity of Eucalyptus tereticornis andE. camaldulensis in a Provenance Trial under lateritic soil conditions of West Bengal have been studied. The suitability indices of the provenances of two species were also worked out. Consistently flteady performance of E. tereticornis than E. camaldulensis was observed. On sample tree basis few provenances of E. camaldulensis produced more organic matter than those of E. tereticornis. Kennedy River, 20 km N Mt. Molly and Mitchell River of E. tereticornis and Gilbert River, Emu Creek Nt Petford and Ferguson River of E. camaldulensis showed greatest potential for large scale plantation in lateritic belts.- Influence of Vam, Macro and Micro-nutrients on Vegetative Propagation of Dendrocalamus strictus
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Indian Forester, Vol 123, No 9 (1997), Pagination: 863-866Abstract
No abstract- Mass Production of Dendrocalamus membranaceus Planting Stock through Culm Cuttings at Seedling Stage
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Indian Forester, Vol 121, No 8 (1995), Pagination: 743-748Abstract
The vegetative propagation of Dendrocalamus membranaceus through seedling proliferation and juvenile culm cuttings at seedling stage have been studied with a view to obtain plantable saplings in massive numbers. It was observed that mother stock seedlings can be multiplied more than nineteen times without addition of fertilizer within one year. Rooting and sprouting from juvenile culm cuttings were inducted by growth promoting substance though differentially. Successful sprouting and ischolar_maining of culm segments collected from D. membranaceus seedlings had further augmented the availability of planting stock.- Characteristics of some Lower and Middle Hill Soils of South Sikkim Forests
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Indian Forester, Vol 118, No 9 (1992), Pagination: 662-671Abstract
Morphology and physiochemical characteristics of three soils within the altitudinal range of 315 to 1490m under different vegetal cover of South Sikkim forests are discussed. The soils are acidic with fairly high content of organic matter and total nitrogen. Exchangeable calcium is maximum at the surface of all the soils and highest under mixed broad-leaved species. Humic acid content decreases down the profile. The properties of the three soils differ fairly widely and the difference can primarily be attributed to differences in physiograpby reflected through differences in vegetal cover and ultimately in the resultant soils. The three soils have been classified upto sub-group level according to Soil Taxonomy.- Suitability of Different Forest Species for Social Forestry Programme under Different Soil Conditions. Part III-coastal Soil
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Indian Forester, Vol 117, No 8 (1991), Pagination: 625-631Abstract
The growth of different forest species planted in road-sides and canal-banks has been correlated with the soil attributes in coastal zone of Midnapore district, West Bengal. Some of the sites having better nutritional status accelerates the growth of some selected species. On the basis of the results some species have been recommended for Social Forestry Programme under the said soil condition in a given climatic zone.- Suitability of Different forest Species for Social Forestry Programme Under Different Soil Conditions Part II-lateritic Soil
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Indian Forester, Vol 116, No 6 (1990), Pagination: 464-473Abstract
Height and girth increment of different forest tree species planted along road-sides, canal and river banks, wastelands and along railway tracks have been studied and correlated with soil attributes of lateritic soil zone of Midnapore district, West Bengal. Some of the sites having better nutritional status accelerated the growth of some selected species. On the basis of the results some species have been identified and recommended for planting in the lateritic belt to meet the demand for fuel wood and fodder.- Distribution of Organic Matter in Coppice Sal (Shorea robusta) in Relation to Soil Chemical Attributes
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Indian Forester, Vol 116, No 5 (1990), Pagination: 407-417Abstract
The above-ground biomass production in coppice sal in the lateritic region of West Bengal reveals that wood contributes the largest share of tbe total biomass followed by bark, branch, leaves, and twigs. Largest biomass production is observed in 8 years old coppice sal. The biomass production is highly correlated wilh total K2O aod P2O6 of the soil and the age, height and girth of the stands. The wood biomass is highly correlaled with total Ca and Mg of the soil.- Suitability of Different Forest Species for Social Forestry Programme under Different Soil Conditions Part I - Alluvial Soil
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Indian Forester, Vol 115, No 8 (1989), Pagination: 536-547Abstract
The growth of forest tree species planted along road sides, canal banks and railway tract has been correlated with the soil attributes in Alluvial soil zone of Midnapore district, West Bengal. Some of the sites having better nutritional status accelerate the growth of some selected species. On the basis of the results some quick growing species for Social Forestry programme and range of soil characteristics most suitable for optimum growth of plants in a given climatic condition have been recommended.- Soil Characteristics under Sal (Shorea robusta) in Tarai Region of the North-eastern Himalayas
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Indian Forester, Vol 115, No 9 (1989), Pagination: 626-634Abstract
The nature and properties of some sal (Shorea robusta) growing soils in the tarai region of North-eastern Himalayas were studied in order to evaluate the characteristic of the soils supporting the species It was found that since sal is growing well in this area, the characteristics and nature of the soils should be favourable for the growth and development of the species Ranges of Some Of the soil sutributes suitable for the optimum growth of the species under more or less similar climatic conditions were assessed.- Soil Characteristics Under Coppice Sal (Shorea robusta) in the Lateritic Region of West Bengal
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Indian Forester, Vol 115, No 10 (1989), Pagination: 744-753Abstract
The nature and properties of some coppice Sal (Shorea robusta) growing soils in the lateritic region of W. Bengal were studied in order to evaluate tbe characteristics of the soils supporting this species. Out of 31 sites, 23 sites bad GBH greater than the table values suggesting tbat these sites were very much favourable for optimum growth of Sal (coppice). Ranges of some of the soil attributes suitable for the optimum growth of the species under more or less similar climatic conditions were assessed.- Nature and Properties of Some Introouced Teak (Tectona grandis) Growing Soils of North-west Bengal
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Indian Forester, Vol 113, No 1 (1987), Pagination: 65-72Abstract
Nature and properties of some introduced teak (Tectona grandis) growing solis of Nort-west Bengal were studied in order to evaluate the characteristics of the solis supporting the species. It was found that since teak was growing well in the area, the characteristics and nature of the solis must be favourable for the growth and development of the species. Information from other good teak growing areas will help to generalise the range of the characteristics of the soils suitable for the species.- Soil Characteristics under Introduced Cryptomeria japonica (Dhupi) in Darjeeling Himalayan Region
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Indian Forester, Vol 113, No 3 (1987), Pagination: 191-201Abstract
The nature and properties of the soils supporting Cryptomeria japonica in Darjeelling Himalayan Region were studied. The soils are acidic and contain high organic matter. The growth parameters are inversely related to the pH and organic matter of the soils while height of plants and basal area of tbe species are positively correlated with C.E.C., exch. Ca+2,Mg+2, K+ and available phosphorus. Total nitrogen contents of the soils are correlated positively with G.B.H. and basal area but negatively with the heights of the plants. Ranges of some of the attributes suitable for the growth of the species under more or less similar climatic conditions are assessed.- Changes in Attributes of Forest Soil Brought about by Termites
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Indian Forester, Vol 113, No 5 (1987), Pagination: 375-378Abstract
The soils of active termite (Odontotarmes obesus) mound and unaffected surrounding Udic Ustochrepts of West Midnapore Forest Division, West Bengal were compared for their Physico-chemical properties. Results showed marked differences in contents of clay, nitrogen, potash and organic carbon which were higher in the soil of termite mound than surrounding one. The termite mound may account for better performance of trees and plants as fertility index of mound soil was found higher than the surrounding soil.- Characteristics of the Soils Supporting Quality Class I Eucalyptus tereticornis in South Bengal
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Indian Forester, Vol 112, No 9 (1986), Pagination: 762-772Abstract
Soil of quality class I Eucalyptus tereticornis in South Bengal have been studied for their morphological characteristics and physicochemical attributes. The soils are acidic and poor in organic matter. The sudace soils are light but clay translocation is common in most of the profiles. The chemical composition of the soils has been influenced to a great extent by drainage condition, differential transport of eroded material, leaching, translocation, redeposition of mobile soil constituents and formation and abundance of mottles. Chemical composition also indicates trends of laterisation of organic matter and break-down of parent material into free silica and sesquioxides.- Change in Soil Properties under Different Plantations of the Darjeeling Forest Division
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Indian Forester, Vol 111, No 2 (1985), Pagination: 90-98Abstract
Investigation on the soil properties of the darjeeling Forest Division(W.B.) was carried out to see the changes due to different forest vegetations (Pinus patula, Cryptomeria japonica, tectona grandis, Shorea robusta and mixed broad leaf species). Highest content of organic matter and lowest soil pH were noticed in the site of C. japonica plantation; calcium content was maximum in teak(Tectona grandis) area. The solls under C. japonica had minimum total bases nad teak the maximum and more than half of the total bases in teak area was contributed by calcium. Mixed vegetations reflected best performance on soil properties among the plantations undertaken in the present investigation. Results showed that vegetational cover affects the soil properties and it is suggested that in order to maintain natural ecological balance and avoid drastic changes in soil properties, mixed plantation should be prefferred to pure plantation.Keywords
Soil Properties, Effect of Vegetation, Darjeeling Forest Division- Genesis of Red and Lateritic Forest Soils of West Bengal on Catenary Basis: Part II. Physicochemical Properties
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Indian Forester, Vol 111, No 4 (1985), Pagination: 195-207Abstract
Three catenas comprising of ten soil profiles on different physiographic positions were investigated. The paper deals with the physical and chemical characteristics of the soils. It is observed that in the foot slope of the catena' the soils are dominated by the illuvial materials transported from the higher one. Down the slopes the soils are deeper' heavy in texture with more developed pedogenic process. All the soils have been classified upto subgroup level according to the Taxonomic system of classification.- Flowering in Bambusa tulda Roxb. at Ranchi, Jharkhand
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Indian Forester, Vol 137, No 6 (2011), Pagination: 802-803Abstract
no abstract- Use of Ibuprofen (Brufen) in Ophthalmic Surgery
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Affiliations
1 R. G. Kar Medical College & Hospital, Calcutta, IN
1 R. G. Kar Medical College & Hospital, Calcutta, IN
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The Indian Practitioner, Vol 33, No 7 (1980), Pagination: 393-398Abstract
No Abstract.- Detection and Characterisation of Antimicrobial Peptide Produced by Bacillus subtilis FPTB23 Isolated from Curd
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Affiliations
1 Department of Fish Processing Technology, West Bengal University of Animal and Fishery Sciences, KOLKATA (W.B.), IN
1 Department of Fish Processing Technology, West Bengal University of Animal and Fishery Sciences, KOLKATA (W.B.), IN
Source
The Asian Journal of Animal Science, Vol 10, No 2 (2015), Pagination: 115-123Abstract
The growing consumer demand for finding natural but effective food preservation free of potential health risks has stimulated research in the field of biopreservation to find an attractive and alternative approach to chemical preservatives. Among the 51 colonies that displayed antibacterial activity against the indicator lawn of Staphylococcus aureus ATCC 25923, one colony isolated from curd, showed strong antimicrobial activity against the indicators tested, viz., Staphylococcus aureus (ATCC 25923), Enterococcus faecalis (MTCC 2729), Vibrio cholera and Vibrio parahaemolyticus. The isolate was identified as Bacillus subtilis by 16S rRNA gene sequencing and NCBI BLAST Analysis, having the Accession number KF556680. The neutralized cell free supernatant (NCFS) of isolate B. subtilis FPTB23 was able to inhibit the growth of S. aurus (ATCC 25923), E. faecalis (MTCC 2729), V. cholerae and V. parahaemolyticus inferring that the NCFS contains metabolites which is either a bacteriocin or bacteriocin like inhibitory substance. The strong antagonism against a number of serious and challenging foodborne pathogens/spoilage-causing micro-organisms advocated the high possibility of using this isolate as an effective preservative in food. The minimum inhibitory concentration (MIC) for the NCFS of Bacillus subtilis FPTB23 against Enterococcus faecalis (MTCC 2729) was found to be 200 AU/ml. The antimicrobial substance produced by B. subtilis FPTB23 was moderately heat stable, showed maximum activity at pH 7. The NCFS was completely inactivated after treatment with proteolytic enzymes such as, proteinase K and protease, which reveals the proteinaceous nature of the active substance. Exposure to Triton x-100, Tween 80, chloroform and butanol significantly decrease inhibition action. The molecular mass of the active form was found 21.5kDa by SDS-PAGE. The isolated species or its NCFS, therefore, can be used as food preservative reducing the requirement of intense heat treatments for foods to extend the shelf lives, thus, helping to maintain the freshness or unique texture of foods.Keywords
Biopreservation, Antimicrobial Activity, Bacillus subtilis, Neutralised Cell Free Supernatant.References
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- Study of HACCP and Microbial Quality of Seafood during Processing in Plants around Kolkata
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Affiliations
1 Fisheries and Aquaculture Extension Laboratory, Department of Zoology, University of Kalyani, Kalyani, Nadia (W.B.), IN
2 Department of Fish Processing Technology, West Bengal University of Animal and Fishery Sciences, Kolkata (W.B.), IN
3 Microbiology Laboratory, Department of Botany, University of Kalyani, Kalyani, Nadia (W.B.), IN
1 Fisheries and Aquaculture Extension Laboratory, Department of Zoology, University of Kalyani, Kalyani, Nadia (W.B.), IN
2 Department of Fish Processing Technology, West Bengal University of Animal and Fishery Sciences, Kolkata (W.B.), IN
3 Microbiology Laboratory, Department of Botany, University of Kalyani, Kalyani, Nadia (W.B.), IN