Volume 6(1)

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Recent Submissions

Sensitivity of Dengue Fever Transmission Model with respect to Parameters

S. S. N. Perera (Eastern University, Sri Lanka, 2009)

Dengue is the most common mosquito-borne viral disease in human. Motivated by the failure of current methods to control dengue fever, we study the sensitivity of the dynamics of the dengue transmission model with respect ...
First record of new exotic Mealybug species, Phenacoccus solenopsis Tinsley, 1898 (Hemiptera: Pseudococcidae), its Host range and abundance in the Eastern Sri Lanka.

M. Prishanthini, M. Vinobaba (Eastern University, Sri Lanka, 2009)

Mealybugs (Hemiptera: Pseudococcidae) are a small group of sap sucking insect pests which cause severe economic damage to wide range of homegarden, horticultural and field crops. Therefore, a survey of mealybugs in ...
Antimicrobial activity of Trichoderma polysporum

R. Kapilan, A. C. Thavaranjit (Eastern University, Sri Lanka, 2009)

Antibiotics producing microorganisms found in nature are not only use full in medicinal purposes but are very useful in plant disease management, enzyme production, etc. Trichoderma sp. Is one of the most common genera ...
Comparision of Parasites fauna of economically important fish from Batticaloa lagoon

V. Sujarajini, P. Vinobaba (Eastern University, Sri Lanka, 2009)

This study focused on a comparison of the parasite fauna in several different economically important fish such as Etroplus suratenscis, Tachysurus spp., Glossogobius giuri, Ophiocephalus striatus, Oreochromis mossambicus ...
Predicting three-dimensional fractal dimensions of electrical discharges using two-dimensional projections

D. Amarasinghe, U. Sonnadara (Eastern University, Sri Lanka, 2009)

Three dimensional electrical discharge patterns are simulated to compare the three dimensional structure with the two-dimensional projections of the same. The discharge patterns are simulated using a stochastic dielectric ...
Resistance and XRD Measurements of Bi(Pb)SrCaCuO Superconductor

P. R. Fernando, N. Pathmanathan (Eastern University, Sri Lanka, 2009)

Three superconducting samples with the composition Bi16Pb0J5r2Ca2Cu3O were prepared using solid state technique. The Bi2O3, PbO, SrCO3 and CuO powders of 99.99% purity were used as starting raw materials. The powders sample ...
Optimization of culture conditions for baker's yeast cell mass production - a plreliminary study

K. Inparuban, S. Vasantharuba,; S. Balakumar, V. Arasaretnam (Eastern University, Sri Lanka, 2009)

The aim of this study was to find out suitable culture conditions to improve the cell mass production of Saccharomyces cerevisiae. S. cerevisiae was grown in a medium (30°C, pH 5.0) with sucrose (Table sugar) from 10 to ...
Effect of foliar application of urea as top dressing on yield of radish (Raphanus sativus L.) in sandy regosol

A. S. Shirani, T. H. Seran (Eastern University, Sri Lanka, 2009)

A study was conducted to evaluate the effect of foliar application of urea on cultivation of radish (Raphanus sativus L.) in sandy regosol. This experiment was laid out in a Randomized Complete Block Design with five ...
Effect of planting geometry on yield of capsicum (Capsicum annum L.) intercropped with vegetable cowpea (Vigna unguiculata L.)

T. H. Seran, S. Jeyakumaran (Eastern University, Sri Lanka, 2009)

Capsicum (Capsicum annum) and vegetable cowpea (Vigna unguiculata) are two important vegetable crops grown throughout the year in the Eastern region of Sri Lanka and is a suitable combination for intercropping. Modification ...
Active Packaging of Green Mature Tomatoes with Pectin Coating to Extend the Shelf Life

E. Delina Felix, T. Mahendran (Eastern University, Sri Lanka, 2009)

A study -was conducted to investigate the effect of pectin as an active packaging on the storage quality and the shelf life of mature green tomatoes (cv. KC-1). The tomatoes were dipped into the concentrations of 1, 3 and ...
Screening of papaya cultivars against anthracnose disease caused by Colletotrichum gloeosporioides (Penz.) Penz. and Sacc.

K. L. Wasantha Kumara, R. D. Rawal (Eastern University, Sri Lanka, 2009)

Anthracnose caused by Colletotrichum gloeosporioides (Penz.) Penz. and Sacc. is the most serious disease of papaya throughout the -world. No papaya cultivars reported showing resistance against this pathogen. Seventeen ...

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