Life Sciences

Review on positive role of Reactive Oxygen Species (ROS) in seed germination

In many seeds, the process of germination features testa rupture and endosperm rupture are two separate events. Endosperm rupture requires cell wall weakening in the endosperm layer. Puncture force measurements are a useful tool for quantifying this endosperm weakening. Various mechanisms have been proposed to promote endosperm weakening. Endosperm weakening requires cell wall weakening. This process involves cleavage of cell wall polymers or loosening of bonds between the polymers. Several molecular mechanisms have been proposed for endosperm weakening.

Studies on the qualitative changes in the amino acid, sugar and organic acid contents of tomato fruit during pathogenesis by alternaria solani

Qualitative changes in the amino acid, sugar and organic acid contents of the tomato fruit during pathogenesis causaed by Alternaria solani were investigated chromatographically. Marked differences in the amino acid, sugar and organic acid contents of the healthy and diseased tomato fruits were noted. Total in all only eight different amino acids, viz., Lysine, Arginine, Histidine, Aspartic acid, Glutamic acid, Alanine, Methionine and one Unidentified amino acid (Rf.

Estimating growth rates, decomposition analysis and instability of Groundnut crop production in Andhra Pradesh

The main objectives of the study are to examine the trends in area, production and productivity of groundnut in Andhra Pradesh over a period of 1995-96 to 2010-2011. Compound growth rates of area production and productivity were estimated by fitting semi log trend equation. Decomposition of output growth of groundnut was examined by fitting component analysis model. The study analyzed that area, production and productivity had decreased during the study period i.e.

Effect of organic and inorganic sources of nitrogen on growth, yield and quality of cotton (gossypium hirsutum l.)

A field experiment was conducted during 2013 at experimental farm, Faculty of Agriculture, Annamalai University to study the effect of organic and inorganic sources of nitrogen on growth, yield and quality of cotton. The soil of the experiment farm is deep clay, low in available nitrogen, medium in available phosphorus and high in available potassium. The experiment was conducted in randomized block design and replicated thrice.

Nitrate contamination in vegetables from two selected cities in China

Nitrate contamination is one aspect of the safety issue about vegetables. A fast determination method of nitrite was used to access the nitrite contamination level of vegetables sampled form two selected cities in China (Changde and Yangling). The result indicated that the nitrate contamination level of vegetables from Yangling is higher than vegetables form Changde.  The rood vegetables showed the highest contamination level and leaf vegetables and solanaceous vegetables showed lower. Most of test samples contaminated nitrate with level higher than they corresponding MRL.

Growth rates of Crocodylus porosus (saltwater crocodiles) juveniles in captive condition from madras crocodile bank trust centre for herpetology

The Present study was carried out on Crocodylus porosus from Madras Crocodile Bank Trust, Tamil Nadu during June 2007 to May 2008. The growth rates were higher in monsoon season and lesser in post monsoon season. Of 15 captive juvenile from 3 clutches marked and were recaptured for growth analysis. The survived seven animals were taken for growth ratio of length and weight. The minimum growth ratio of length and weight group of animal was CODE: 301 (Length = 0.015) and (Weight = 0.149).

Population status of grizzled giant squirrel (Ratufa macroura) in chinnar wildlife sanctuary, Southern India

The study of status and conservation of Grizzled Giant Squirrel in the Chinnar Wildlife Sanctuary was studied. Line transect method was used to assess the population and focal animal sampling was used to collect data on feeding habits of Grizzled Giant Squirrel. One hundred and seven animals were sighted during the study period, mainly along the riverine patches during the period of study.

Influence of micronutrients application on growth and seed yield in tomato (Lycopersicon esculentum MILL.)

A field experiment was conducted during rabi-2010 to find out the response of foliar application of micronutrients on vegetative and reproductive growth attributes, in two varieties of tomato viz- Utkal Kumari and Utkal Raja. The treatments consisted of boron, zinc, molybdenum, copper, iron, manganese, mixture of all and control and the experiment was laid our in RBD with three replications. All the Micronutrients except manganese (@ 50ppm) were applied @100ppm in three sprays at an interval of ten days starting from 30 days after transplanting.

Social metabolism: The kinetics of entropy and motivational energy in transforming farm business of India

The creation, growth and decay of any social system, retaining myriads of life forms, have basically been the concerns and exposition of energy. Social Metabolism envisages a natural connectivity amongst physical, biological and social systems and their underlying cybernetics. It is the flow of energy that drives the social systems generating information, applying information and transforming the present social process into a desired social outcome. Energy remains retained, shelved as well as configured within a cell and a social capsule.

Visual assessment and classification of surface soil types in Dryland and Fadama areas of Kebbi state, Nigeria

The need for background information outlining the basic characteristics of surface soil types in the savannah areas is essential for environmental soil management. Visual assessment and classification of surface soil condition is a key to environmental soil management and development. In this study, Visual Soil Assessment (VSA) was used to assess and classify the surface soil condition of dryland and fadama sites of Kebbi State, Nigeria.