Life Sciences

Agronomic performance and nutritive values of napier grass (pennisetum purpureum (l.) schumach) accessions in the central highland of Ethiopia

Ten Napier grass accessions were evaluated for agronomic performance and nutritive values at Holetta agricultural research center during the main cropping seasons of 2011-2014. The experiment was conducted in randomized complete block design with three replications. Diammonium phosphate (DAP) fertilizer at the rate of 100 kg/ha was uniformly applied at planting and additionally urea at the rate of 50 kg/ha was top dressed after each forage harvesting.

Seed yield and yield components of vetch species and their accessions under nitosol and vertisol conditions in the central highlands of Ethiopia

Vetch species and their accessions were evaluated for seed yield and yield components at Holetta (nitosol) and Ginchi (vertisol) conditions in the central highlands of Ethiopia. The experiment was conducted in randomized complete block design with three replications. The seed yield and its related performance were highly influenced by environment and hence comparatively higher seed yield and its related performance were recorded at Ginchi than Holetta.

Historical devlopment of modern chemistry

The words ‘’Chemistry” and “Alchemy” have been derived from “Khem”, an ancient name for Egypt. The history of chemistry represents a time span from ancient history to the present. By 1000 BC, civilizations used technologies that would eventually form the basis to the various branches of chemistry. Many chemists lived long ago, so what happened a long time ago is history. Chemistry analyzes the composition of different substances, their physical and chemical properties and the specific conditions under which they combine with other substances.

Analysis of non-permitted dyes in bakery and dairy products for forensic consideration

Synthetic dyes and pigments are used in a wide range of industries. The present study was carried out to detect the non-permitted dyes added to bakery and dairy products. Different types of products were collected from local areas of Allahabad like 8 samples of cake, 8 samples of pastry were analysed for identification of the added synthetic food colours and it was found that 2 out of

Microbial diversity of alluvial brown soil from Nagapattinam Taluk, Nagapattinam District

The present study deals with the diversity, of soil fungi from different Agricultural fields and un cultivated soils of Nagapattinam Taluk Nagapatinam District, Tamil Nadu. Soil samples were collected at various seasons (Monsoon, Premonsoon, Summer, Postmonsoon) from three villages. The physico chemical parameters of the soils were identified. The physical parameter includes the analysis of pH, moisture content and temperature of the soils.

Effect of foliar application of zinc and boron on yield and fruit quality of litchi cv. Dehradun

The present investigation was conducted in the litchi orchard of Sh. S.S. ParmarNangal, Pathankot and in the laboratory of department of horticulture, Khalsa College, Amritsar in the year 2015 to assess the effect of foliar application of zinc sulphate and boron both at the concentrations of 0.3 %, 0.6% and 0.9% on the yield and quality of litchi cv. Dehradun. The results of the study indicated that the application of boron 0.9% resulted in maximum fruit weight (22.17 g), fruit size (4.31 x 3.71 cm), pulp weight (17.22 g) and fruit yield per tree (116.74 kg).

Enhanced osmolyte accumulation counteracts salt stress by controlled ros: evidence from biochemical studies

Salinity is the most damaging factor towards crop production. Observing the possible role of thiourea in salinity tolerance, experiments were carried out using optimized thiourea level (400 µM) at which two maize hybrids may show improved growth and physiological attributes in autumn and spring seasons.

Modeling the distribution and incidence of bacterial wilt on tomatoesusing binary logistic models

Strategies of managing and controlling devastating bacterial wilt of tomato are investigated by fitting binary logistic models to data consisting of dummy response variable of its incidents on reported cases to the plant clinics. Binary logistic methods are used for fitting such models to data describing the distribution and incidents of bacterial wilt (BW) caused by Ralstonia solanacearum on tomato crop. The approach overcomes some of the difficulties encountered when fitting ordinary least square regression to a dummy response variable.

Isolation and characterization of fatty acid from peel of the pear fruit (pyrus pyrifolia) and evaluate its antioxidant activity

A fatty acid was isolated and purified from pear fruit (Pyrus pyrifolia) peel extract by using column chromatography technique and evaluated its antioxidant activity by 1, 1-diphenyl-2-picrylhydrazyl (DPPH) radical-scavenging assay and reducing power assay. The isolated compound was identified as Gadoleic acid on the basis of nuclear magnetic resonance spectroscopy and it showed the high percentage of antioxidant activity but less than the ascorbic acid. As the concentration of the compound increased the percentage of activity also increased in both the DPPH assay and reducing power assay.

The dynamics of fishing season and tuna fishing in the Indian Ocean Waters (FMA) 573

Knowledge of the existence of fish in the sea is very important to decide the right time for fishing operation. The aim of this study is to decide the right time for fishing operation in the Indian Ocean FMA 573, through 1) information about fishing season of tuna in three different waters in the Indian Ocean i.e, East Java Province, Yogyakarta Province and East Nusa Tenggara Province; and 2) information about size of tuna being caught.