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            Prof. Dr. ISMAIL YILDIRIM

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September 2010

Effects of gamma ray irradiation on the metric traits of vegetable cowpea (Vigna unguiculata (L.) WALP) in Umudike...
OGIDI, E. G. O., OMOSUN, G., MARKSON, A. A. and Kalu, M.

The effects of different levels of gamma ray irradiation on the vegetable cowpea varieties (IT8ID – 1228 –14, IT835- 899, IT93k – 915) were evaluated in 2002 and 2003 cropping seasons at Umudike Southeastern Nigeria. Six levels of irradiation ranging from 0 (control) to 25kr were applied to the cowpea seeds. Irradiation induced marked variability among the varieties. More number of pods per plant, fresh pod yield, plant height, fewer days to flowering and days to maturity were obtained by...

Antimicrobial activity and phytochemical estimation of micropropagated Andrographis paniculata (Burm.f) nees
Ankita Kataky and Handique, PJ.

Antimicrobial activity of eight-months old micropropagated plantlets of Andrographis paniculata was evaluated with various organic and aqueous extract against gram negative (Klebsiella pneumoniae, Escherichia coli, Pseudomonas aeruginosa), gram positive (Staphylococcus aureus and Bacillus subtilis) bacteria and the fungal pathogen (Candida albicans). Agar well diffusion method was used to assess the antimicrobial activity of Andrographis paniculata. Chloroform extract showed strong...

Effect of cadmium on biochemical parameters in fresh water fish, Oreochromis mossambicus
Thirumavalavan, R

The present study is aimed to investigate biochemical studies  in the liver tissue of fresh water fish  Oreochromis mossambicus exposed to sublethal concentration of cadmium. In the present study the activity of Acid phosphatase, alkaline phosphatase,  Aspartate aminotransferase (AST) and Alanine aminotransferase (ALT) in the liver tissue were observed . During the sublethal concentration of cadmium the Acid phosphatase, alkaline phosphatase,  Aspartate aminotransferase (...

Effect of copper on carbohydrate metabolism fresh water fish, Catla catla
Thirumavalavan, R

Copper is a trace element essential to life, but also a heavy metal with toxic effect clearly demonstrated. Cu induced perturbations in fish liver are well documented but the variability of the reported results is large. In this study Catla catla were exposed to copper. The liver key enzymes of the anaerobic glucose metabolism (glucose, lactic acid ,Succinate  dehydrogenase ,and  Lactate   dehydrogenase activity were observed.  During the Sublethal copper sulphate...

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