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Articles by Geeta Rai
Total Records ( 3 ) for Geeta Rai
  Neeru Vasudeva , Geeta Rai and Surendra Kr. Sharma
  Butea monosperma is a commonly used plant in folk medicine in Indian subcontinent. The present investigation was undertaken to examine the anti-spermatogenic activity of the four successive extracts i.e., petroleum ether, chloroform, methanol and aqueous extracts of the root of B. monosperma. The in vitro studies on human sperms revealed that the petroleum ether and chloroform extracts at the concentration of 15 mg mL-1 caused significant immobilisation and reduction of sperm viability. The extracts caused irreversible damage to the sperms. Further, the effect of these extracts was assessed on the testis and epidydmis of the male albino mice at the dose of 200 mg kg-1 body weight. A significant decrease in the weight and changes in fructose, alkaline phosphate, total protein and cholesterol level in these organs of the treated mice when compared to control mice was observed. Histological studies of these organs were also performed.
  A. Mishra , K. Prasad and Geeta Rai
  A field experiment was conducted during two consecutive Rabi seasons of 2007 and 2008 to study the effect of bio-fertilizers in conjunction with inorganic fertilizers on growth and yield of dwarf field pea (cv. Jai) at Oil Seed Research Farm, Kalyanpur in C.S.A. University of Agriculture and Technology, Kanpur. The experiment was laid out in split plot design with three replications in sandy loam soil. The experiment comprised 32 treatment combinations of four levels of fertility (Control, 50, 75 and 100% RDF) and eight bio-fertilizer treatments (Control, Rhizobium, PSB, PGPR, Rhizobium+PSB, Rhizobium+PGPR, PSB+PGPR and Rhizobium +PSB+PGPR). Results indicated that the combined application of 100% RDF and seed inoculation with Rhizobium+PSB+PGPR improved all the growth; yield attributes and yields of field pea. Fresh and dry weight plant-1, nodules number and dry weight plant-1 were found significantly maximum. Number of grains pod-1, number and weight of pods plant-1 at maturity attributed significantly in increasing the grain yield of field pea up to 31.00 q ha-1 and net return up to Rs.26187 ha-1 with the application of 100% DRF and seed inoculation of Rhizobium + PSB + PGPR, yield was 10.96 and 11.93% higher over co-inoculation of Rhizobium + PSB + PGPR (27.60 q ha-1) and 100% RDF (27.30 q ha-1) application. Thus, it can be recommended that to obtain the maximum grain yield and net profit from dwarf field pea, seed should be inoculated with Rhizobium + PSB + PGPR and crop should be fertilized with 100% recommended dose of fertilizer.
  Surendra Kr. Sharm , Geeta Rai and Neeru Vasudeva
  The root of B. monosperma was successively extracted by solvents in increment of polarity. The extracts were administered orally at the dose of 200 mg kg-1 body weight to adult female mice of proven fertility for evaluation of anti-implantation activity. The extracts showing anti-implantation activity were further evaluated at the similar dose for estrogenic and anti-estrogenic activity in immature female mice. Biological and histological studies were also performed. Of the four extracts i.e., petroleum ether, chloroform, methanol and aqueous extracts, petroleum ether and chloroform extracts showed significant anti-implantation activity at dose 200 mg kg-1 body weight. Both these extracts showed anti-estrogenic effect. The weight of ovaries of petroleum ether and chloroform extracts treated animal reduced significantly (p<0.01) as compared to control. This was associated with an elevation in the level of cholesterol. Petroleum ether and chloroform extracts inhibited the activity of G-6-PDH to a significant (p<0.05, p<0.01) extent and thus indicating anti-steroidogenic activity of the extract. It may be concluded that petroleum ether and chloroform extracts possess some estrogen like compounds which may be responsible for anti-estrogenic activity of the extracts.
 
 
 
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