Open Access Original Research Article

Effect of Milling Quality and Hardness of Parboiled Paddy under Microwave Drying

Keshavalu ., Shafat Khan, Amaresh ., Chandrashekhar ., Retwik Sen

Current Journal of Applied Science and Technology, Page 1-6
DOI: 10.9734/CJAST/2017/35613

The objective of this study was to investigate the effect of bed thickness (1.5, 3, 4.5 and 6 cm) and microwave power level (180, 360, 540 and 720 W) on milling quality and of parboiled paddy under microwave drying. Major factor to reduce the head yield was observed increasing drying rate with increasing microwave power. Head yield varied from 47.9 to 70.3% within a variance of 1% significance. The Hardness of parboiled rice varied from 17692.3-13790.2 g/mm2, depending upon the microwave power treatment and bed thickness at 1% level of significance. Highest hardness was observed at low microwave power and lower bed thickness.

Open Access Original Research Article

Changing Weather/Climate and Prevalence of Cerebro Spinal Menigitis in Some Selected Stations in Nigeria

A. Akinbobola

Current Journal of Applied Science and Technology, Page 1-8
DOI: 10.9734/CJAST/2017/36181

This study examines the effects of some weather parameters, such as maximum and minimum temperature (°C), rainfall (mm) and relative humidity (%), on the prevalence of Cerebro Spinal Meningitis (CSM) in South west and North West, Nigeria. Monthly data of reported cases of in- and out- patients of this disease between 1990 and 2007 were collected from Ondo State Specialist Hospital, Akure, and Specialist Hospital, Sokoto while data of relative humidity, rainfall, maximum and minimum temperatures for the same years were collected from the Nigeria Meteorological Agency, Oshodi, Lagos. CerebroSpinal meningitis (CSM), showed a strong correlation with all the weather elements considered but much stronger in the northern station. The study also reveals that CSM occurrence is linked with low minimum temperature (usually less than 20°C) and relative humidity (of less than 40%) which is more common in the northern region. In the south, the numbers of CSM cases are few throughout the year but have a peak during the dry season which is also when the effects of the north east trade winds are being felt. Minimum temperature and relative humidity combinations were used to distinguish between areas with high and low risk of epidemics.  Findings from this work can be used for designing early warning decision support systems that can enable the efficient and timely spatial targeting of preventive and control measures against the disease.

Open Access Original Research Article

Influence of Nutrients on Growth and Yield of Bajra Napier Hybrid Grass

C. Vennila, V. M. Sankaran

Current Journal of Applied Science and Technology, Page 1-6
DOI: 10.9734/CJAST/2017/35659

Fodder crops cultivation in India is gaining momentum to overcome the feed and fodder shortages for the farm animals. Application of nutrients for fodder crops is a rare phenomenon and the package of practices are not adopted by the farmers to increase the productivity.  Fodder crops are almost negligible crops in our country.  Field experiments were conducted from 2014 to 2016 in sandy soils to study the influence of nutrients on growth and yield of bajra napier hybrid gram. The various nutrients used were organic and inorganic sources. The treatments included organic source of nutrients alone, inorganic sources of nutrients alone and combination of organic and inorganic sources of nutrients with 100% and 50% recommended dose of organic inorganic sources of nutrients given in twelve combinations. Various parameters such as plant height, number of tillers, number of leaves, leaf stem ratio, plant weight and biomass yield  were recorded. The results revealed that application of farmyard manure along with 100% recommended close of nutrients, i.e. 150:50:40 kg NPK / ha, applied through drip resulted in higher plant height (143.3 cm and 157.9 cm), number of tiller per plant (26.4 and 31.4), number of leaves per plants (358.7 and 376.3), leaf stem ratio of 0.44 and 0.59, plant weight (1337.2 and (700.6g) and plant biomass (62.5 and 68.0 t ha-1) during 2014-2015 and 2015-2016 respectively. During both the years of experimentation, application of Farmyard Manure at the rate of 25t ha-1 and 100% recommended dose of nutrients applied basally and the remaining through drip resulted in growth and yield parameter on par with the application of nutrients through drip alone.

Open Access Original Research Article

Strength Properties of Bamboo-Fibre Cement Boards Used as Building Partitions

Oluwatomilola P. Akinyemi, Cordelia O. Osasona

Current Journal of Applied Science and Technology, Page 1-7
DOI: 10.9734/CJAST/2017/36587

This research studied the strength properties of Bamboo-fibre Cement Boards used as building partitions, and compares the results with those of a conventional partition board. Bamboo-fibre Cement Boards, with bamboo by volume of 0%, 10%, 20%, 30% and 40% (designated B0, B10, B20, B30 and B40, respectively) were subjected to strength tests, and the results compared with those obtained from carrying out similar tests on samples of Gypsum Board (a building partitioning material commonly in use, locally). The tests conducted include Flexural Strength, Impact-Endurance, Bulk Density and Compressive Strength tests. The results indicated that all mix ratios of Bamboo-fibre Cement Boards performed better than the Gypsum Board in flexural strength, except the B40 sample (which gave a 32.14 N/mm2 reading); however, even this drop in flexural strength was not appreciable (as Gypsum Board gave a 32.88N/mm2 result). Impact-endurance test results showed that of all mix ratios of Bamboo-fibre Cement Boards compared to Gypsum Board, Gypsum Board’s impact-endurance value could only surpass that of B0. The next least performance in impact-endurance among the other mix ratios of Bamboo-fibre Cement Board (B10), recorded an energy loss per cross-sectional area of 1452.0 J/m2 against gypsum board’s 1219.7J/m2. In terms of bulk density, Gypsum Board also recorded a lower bulk density than Bamboo-fibre Cement Board: 715.2 Kg/m3 for Gypsum Board and 1468 Kg/m3 for B40 - the least dense Bamboo-fibre Cement Board. The paper concludes that, if reducing dead weight is the primary target of employing partition boards in construction, then the Gypsum Board is a better alternative. However, in virtually all other performance parameters, the Bamboo-fibre Cement Board performed better (across most mix ratios) and is, therefore, more versatile.

Open Access Original Research Article

Identification of Genetically Diverse Lines for Yield, Yield Components and Quality Characters in Promising Barley (Hordeum vulgare L.) Genotypes

Sunil ., K. D. Sehrawat, Mujahid Khan

Current Journal of Applied Science and Technology, Page 1-9
DOI: 10.9734/CJAST/2017/35187

Barley germplasm comprising of 170 accessions (101 two rowed and 69 six rowed) along with 3 standard check varieties (1 two rowed and 2 six rowed) were evaluated to determine genetic diverse lines for grain yield and yield components in an augmented block design consisting of 10 complete blocks during rabi season of 2014-15 at CCS Haryana Agricultural University, Hisar, Haryana. The Non-hierarchical Euclidean cluster analysis grouped the genotypes including checks into eleven and nine distinct clusters for two and six rowed barley genotypes respectively, indicating existence of high degree of genetic diversity in the genotypes evaluated. Representative genotypes from a cluster could be chosen for hybridization program. The clusters formed in divergence analysis have genotypes of heterogeneous origin thereby indicating no parallelism between genetic and geographic diversity. The highest intra-cluster distances were recorded for cluster XI (14.37) and cluster I (12.06) in two and six rowed barley respectively, which indicates the existence of maximum variability within the clusters. The crossing between superior genotypes of above diverse cluster pairs can provide desirable transgressive segregates for developing high yielding varieties of barley.

Open Access Original Research Article

Molecular Identification and Characterization of Alphasatellites Associated with Okra Enation Leaf Curl Virus

Gurpreet Kaur, Navraj Kaur Sarao, Abhishek Sharma, Irfan Khan

Current Journal of Applied Science and Technology, Page 1-9
DOI: 10.9734/CJAST/2017/35109

Symptomatic okra plants showing leaf curling, typical yellowing and thickening of veins were collected and characterized. Full genome of the virus was amplified using phi-29 polymerase exploiting rolling circle amplification (RCA) mechanism. The concatemer was digested with restriction enzyme and cloned in a vector for sequencing. Sequence analysis and nucleotide (ntd) comparison revealed that the viral genome is of 2,741 bp in length and showed the highest nucleotide identities of 91-99% with Okra enation leaf curl virus (OELCuV) which has spread in all okra growing region in India. The plants possessing OELCuV has also shown association of alphasatellites. Four out of six alphasatellites characterized showed nucleotide similarity with Sida yellow vein China alphasatellite which has been earlier reported from Nepal and China. Two alphasatellite molecule showed highest identity with Gossypium darwinii symptomless alphasatellite (GDarSLA) and Gossypium mustelinium symptomless alphasatellite (GMusSLA) each, respectively.