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Paper Title |
Abstract |
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| 1 |
Impact of Major Mineral Nutrients on Fruit Quality Aspects of Papaya (Carica papaya L.)
Author(s):
Bindu B.
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1-4 |
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Impact of Major Mineral Nutrients on Fruit Quality Aspects of Papaya (Carica papaya L.)
Abstract
Abstract
Papaya has gained commercial importance over the years because of its varied uses ; mainly for table purpose. The present experiment was undertaken to study the influence of major plant nutrients viz.,nitrogen, phosphorus and potassium on fruit quality of papaya. Three different levels of nitrogen, phosphorus and potassium (200, 250 and 300) gram per plant per year were applied to papaya plants at two month interval in six equal split doses. The trial was conducted in 33 confounded factorial RBD, confounding NPK in replication-1 and NP2K2 in replication-2. Results revealed that balanced nutrition had a positive effect on fruit quality characters of papaya
| 2 |
QSAR Studies of Benzamidine derivatives Using Graph Theory And Multilinear Regression Analysis
Author(s):
Kumar Nandan , Md. Belal Ahmad , Kumar Ranjan , Baidyanath Sah.
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5-10 |
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QSAR Studies of Benzamidine derivatives Using Graph Theory And Multilinear Regression Analysis
Abstract
In the present work in mathematical modeling, graph theory based quantitative structure activity relationship (QSAR) studies were performed on some benzamidine derivatives using statistical work. Graph theory was successfully applied in developing a relationship between chemical structure and biological activity. The regression analysis of the data has shown that the activities of the compound can be modeled excellently in tri-parametric model. A heurisimatedtic algorithm selects the best multiple linear regression(MLR) equation showed the correlation between the observed values and the estimated values of activity is very good (R= 0.9945, R2 = O.9889, PRESS= 0.2223, R_cv^2= 0.9888, SPRESS = 0.1144). The results are discussed critically.
| 3 |
Intraspecific polymorphism in wild and cultured diploid species of Matricaria L Detected by molecular cytogenetic markers, analysis of meiosis and Essential oil composition
Author(s):
T.E. Samatadze , A. V. Amosova , S.N. Suslina , S. A. Zoshchuk , A.E. Burova , T.N. Zagumennicova , V.A. Bykov , A.V. Zelenin , O.V. Muravenko.
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11-20 |
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Intraspecific polymorphism in wild and cultured diploid species of Matricaria L Detected by molecular cytogenetic markers, analysis of meiosis and Essential oil composition
Abstract
The comparative studies of diploid Matricaria chamomilla L (2n=18) (Azulena and Sybirskaya bisabololnaya varieties), Matricaria discoidea L. (2n=18) and Matricaria inodora L. (2n=18) were carried out by DAPI/C-banding, FISH with 26S and 5S rDNA probes, the analysis of meiosis and composition of essential oil. Based on DAPI/C banding and FISH with 26S and 5S rDNA probes, all the chromosomes in karyotypes of the studied diploid chamomile species were identified, and generalized idiograms of chromosomes with account of all possibilities of DAPI/C-banding patterns as well as chromosomal localization of 26S and 5S rDNA sites were constructed. The results of comparative analysis of DAPI/C-banding and localization of ribosomal genes in the studied related chamomile species conformed to the hypothesis on monophyletic origin of their genomes. In most cases, we observed the classical type of meiosis with formation of 9 baculiform bivalents. Insignificant percentage of abnormalities suggested genetic stability of genomes of the studied species. The analysis of essential oil composition confirmed that M. discoidea could be used for medical purposes in common with M. chamomillа. The comparative analysis of interspecific karyotype differences and also the qualitative composition of essential oil allowed us to conclude that Md genome took an intermediate position between Mch and Mi genomes, and M. discoidea was considerably closer to M. chamomillа than M. inodora.
Keywords C/DAPI-banding, fluorescence in situ hybridization, genome, Matricaria, meiosis.
| 4 |
Effect of nitrogenous polysaccharides in sporulation of entomopathogenic fungus, Lecanicillium lecanii (Zimmermann) Zare and Gams
Author(s):
Nithya, P. R. , Reji Rani O. P. , Shifa, B. S..
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21-26 |
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Effect of nitrogenous polysaccharides in sporulation of entomopathogenic fungus, Lecanicillium lecanii (Zimmermann) Zare and Gams
Abstract
Chitin is a biodegradable, nitrogenous polysaccharide widely spread in nature, mainly in crustacean shells. Chitin and some of its derivatives have insecticidal as well as fungicidal properties, but little is known about their effect on fungal biocontrol agents. Lecanicillium lecanii (Zimmermann) Zare and Gams is a potential entomopathogen effective against sucking pests. In this work, we studied the effect of nitrogenous polysaccharides like chitin and chitosan both in pure and crude form at concentrations ranging from 0.5 – 5 %. This was carried out under liquid state fermentation. Chitin and chitosan at all the tested concentrations increased the conidiation as well as pathogenicity of L. lecanii with the retention of conidial viability.
Keywords-chitin; chitosan; Lecanicillium lecanii; conidiation; pathogenicity
| 5 |
Influence of different nutrient sources on the growth of white button mushroom (Agaricus bisporus) in Kerala
Author(s):
Lishma N. P. , Lulu Das.
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27-30 |
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Influence of different nutrient sources on the growth of white button mushroom (Agaricus bisporus) in Kerala
Abstract
This study was aimed to find out the nutritional requirements of the Agaricus bisporus. Six media were prepared namely potato dextrose agar, oat meal agar, malt extract agar, carrot agar,potato dextrose yeast agar- and Czapeck’s Dox agar were used to find out the best medium for the growth of Agaricus bisporus. Broths of the above media were also prepared with the omission of the agar. In both solid and liquid media, the fastest growth was found in potato dextrose yeast media and least growth was in carrot media. Of the carbon sources tested glucose exhibited maximum mycelial growth and of the nitrogen sources tested beef extract showed the highest mycelial growth.
| 6 |
Reaction products of Phosphorous fertilizers in calcareous soils with different parent materials
Author(s):
Arya Lekshmi, V. , Dr. S. L. Budihal.
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31-36 |
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Reaction products of Phosphorous fertilizers in calcareous soils with different parent materials
Abstract
Reaction products of Phosphorous fertilizers in calcareous soils with different parent materials
ARYA LEKSHMI, V. and S. L. BUDIHAL
Department of Soil Science and Agricultural Chemistry
College of Horticulture, Vellanikkara, Thrissur, Kerala - 680656
Email: [email protected]
Abstract: The transformation of added phosphorus into distinct fractions during incubation of three calcareous soils of different parent materials was studied. Applied phosphate transformed mostly into Pedogenic Ca-P followed by reductant-soluble P in all the three soils. Al- and Fe- bound P fraction was higher in red soil than in brown or black soil, despite having least amount of free Fe-oxide content. The mild reductant-soluble P decreased rapidly and vanished after first few days of incubation. None of the fertilizers used did contribute to this fraction of P. The reductant-soluble P increased to about 5 times (up to 500 mg kg-1) by the end of first week of incubation and remained so during remaining period of incubation. The lithogenic apatite did not show much variation either from the start or during incubation.
Key words: P- fertilizers, reaction products, calcareous soil
| 7 |
STUDY ON PERSISTANCY OF MILK PRODUCTION IN HOLSTEIN FRIESIAN CATTLE ON AN ORGANIZED FARM
Author(s):
A. C. Patel , Ashish C Patel.
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37-38 |
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STUDY ON PERSISTANCY OF MILK PRODUCTION IN HOLSTEIN FRIESIAN CATTLE ON AN ORGANIZED FARM
Abstract
The production performance from 213 cows maintained at H.F Project, Anand Agricultural University, Anand over a period from 1992-2007 were studied. The persistency of milk yield is one of the most important economic traits of dairy animals. The persistency of milk production was measured in Holstein Friesian cattle up to 42nd week of lactation and the overall persistency (%) for weekly milk production in first, second, third, fourth and fifth lactations were observed to be 84.45, 83.46, 83.40, 83.50 and 83.80 %, respectively. The present study revealed that the Holstein Friesian cattle have good persistency in milk production.
| 8 |
Effect of breeding season on seminal attributes of Ostrich (Struthio camelus) semen in humid tropical climate
Author(s):
M.G.Walsangkar , A.V.Omprakash , S.T.Selvan , A.Sundaresan.
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39-43 |
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Effect of breeding season on seminal attributes of Ostrich (Struthio camelus) semen in humid tropical climate
Abstract
A study was conducted for collection and evaluation of Ostrich bird semen. Ten adult male ostrich birds aged 3 to 4 years were selected and housed at TANUVAS, Tamilnadu, India. The male birds were selected based on their readiness in accepting human beings without fear. All the birds were housed properly under standard managemental condition. The selected male emus were trained for semen collection by teaser method. Out of 10 males, only five males responded for semen collection. The semen was collected from individual ostrich bird in two different breeding seasons (early and peak) and evaluated for macroscopical and microscopical seminal attributes. The overall mean values for volume, pH, appearance, per cent motility, concentration, per cent live and abnormal spermatozoa were better in Peak season than early. The maiden attempt of study ensures the possibility of semen collection in ostrich and facilitated further processing or artificial insemination of semen in peak season based on macroscopical and microscopical seminal attributes.
| 9 |
BIOCHEMICAL COMPOSITION OF FRESH WATER AND MARINE WATER FISH VARIETIES
Author(s):
SOUMYA P S.
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44-47 |
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BIOCHEMICAL COMPOSITION OF FRESH WATER AND MARINE WATER FISH VARIETIES
Abstract
The fresh fish varieties like tilapia, katla pink perch and silver belly were analysed for chemical constituents like moisture, fat, protein, calcium, phosphorus, iron, vitamin A and peroxide value. Marine fish were found to be rich sources of calcium, phosphorus iron and fat, whereas fresh water fish were rich in protein and vitamin A. Fat content was comparatively low. Yield of fish muscle was found to be high in fresh water species like katla (78 per cent) and tilapia (75.5 per cent). Higher peroxide value was observed in marine varieties.
| 10 |
Role of Agricultural Biotechnology in climate change mitigation
Author(s):
Sandeep Kumar , Rohini Bansode , Mahesh Kumar Malav , Lalchand Malav.
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48-53 |
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Role of Agricultural Biotechnology in climate change mitigation
Abstract
Climate change is a one of the major challenge that is already affecting people and the environment worldwide. Average global temperatures of earth have been rising day by day over the last century. The problem is not just changing temperatures; it is a changing climate—or a change in the weather patterns that people and ecosystems have become accustomed to over time. Emissions of carbon dioxide and other greenhouse gases from human activities, primarily burning of fossil fuels such as coal and oil are the major culprits for climate change. Therefore, Climate change is the most serious is¬sue on earth which needs to be focused for a better and sustainable development. In this context biotechnology could contribute to the adaptation and mitigation of climate change impacts. Green house gas emission can be reduced through the use of modern biotechnology which ultimately leads to increase food security. The present paper discuss about the conventional and modern biotechnological approaches to address climate change adaptation and mitigation for improved crop productivity and food security.
