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  • ISSN: 2333-6668
    Volume 3, Issue 4
    Research Article
    R. K. Ganapati*, R. Rani, K. M. R. Karim, R. K. Roy, M. M. Rahman and M. R.Alam
    Abstract: Variation in genetic constituent leads to increasing phenotypic expression of the quantitative characters of individuals. This variation is induced by mutation and the variability was evaluated on the quantitative traits such as, days to germination, percent germination, root length, brix percent and yield of sugarbeet mutant at M1 generation by the effect of radiation. The results were showed higher genetic variability, heritability, genetic advance with significant uplift in yield and the related ones. Hence selection is effective considering these traits from a gamma ray irradiated population. The gamma rays irradiation induced addition-deletion in DNA pairs and also reshuffle chromosomal component. The results were showed significant enhancement in yield and related traits. It indicates that improvement in quantitative traits would be possible through gamma rays irradiation.
    Bharat Pokhrel*, Sagar Rijal, Sulav Raut, Pradeep Subedi and Rubin Thapa Magar
    Abstract: Ageratum conyzoides has long been used in herbal or folk medicine as a remedy for the treatments of high blood pressure, cut wounds and heart related diseases. This study was carried out to study the haemostatic effects and effects of Ageratum conyzoides, ethanol and aqueous leaf extracts on serum lipid profile in albino mice. Twenty four (24) albino mice weighing between 30-50g of both sexes were used. Six different groups each with 4 in number were made and mice were selected randomly. Mice were tagged with code A, E and C. Group C (control) was given normal saline daily for 14 days. Group E were treated orally with 0.7μg/kg bwt of ethanolic extract of Ageratum conyzoides for 14 days. Group A were treated orally with 0.7μg/kg bwt of the aqueous extract daily for 14 days. In all groups, the blood samples were obtained by cardiac puncture under chloroform anaesthesia to determine clotting time and effects of extracts on serum lipid profile. A skin puncture was made quickly using disposable lancet to determine bleeding time. Results indicated that Ageratum conyzoides extracts caused significant reduction in bleeding and clotting time. Aqueous extracts was more effective than ethanolic leaf extract. Both the extracts also lower the concentrations of serum total cholesterol, triacylglycerol and LDL-cholesterol. There was also a significant increase in HDL-cholesterol concentration in mice administered extracts compared with the control. The study suggests that ethanolic and aqueous leaf extract of A. conyzoides possesses haemostatic activities and might be useful in the treatment of hypertension and other cardiovascular diseases arising from hyperlipidemia.
    Short Communication
    Sandya R. Kesoju, Bahman Shafii*, Timothy S. Prather, Lawrence W. Lass and William J. Price
    Abstract: When an infestation of rush skeleton weed (Chondrilla juncea L.) is found, land managers need to determine how long a search radius should be in order to locate other patches that may be linked by seed dispersal processes. It is expected that small patches likely derive from larger patches. To test this idea, we examined the potential influence of infestation size on rush skeleton weed dispersal using an area located across the Salmon River Canyon, Idaho. Assuming larger infestations to be older infestation sources, infestations larger than 40 ha were buffered from 1 km to 20 km. Based on the distribution of rush skeleton weed infestation sizes and previous observations of the authors , infestations under 40 ha were classified into two size classes (Small: less than 1.6 ha and Large: more than 1.6 ha). The number of infestations within each category was counted and the respective proportions calculated. The proportions of infestation were then modeled separately for each size class as a function of distance using nonlinear regression models. For small infestations, the proportion of infestation increased with increasing distance up to 12 km. A similar increasing pattern was seen for large infestations with a maximum distance estimated at 17.5 km, suggesting that large infestations require a longer search radius. Land managers need to prioritize in searching for small satellite rush skeleton weed infestations within 12 km while large infestations will require a radius of 17.5 km from the source population. Long-tailed dispersal curves suggest both the smaller and larger infestations should receive similar importance when setting priorities to manage for preventing additional dispersal.
    Mini Review
    Ratan Kumar Ganapati*
    Abstract: Intercrop chickpea with sugarcane is well adopted in water deficit barind region in Bangladesh where ground water table is lowering by affecting with climate change. Intercropping technology is popular and challenges to make it more benefit to the incumbent. A Drought tolerant sugarcane variety with the high water use efficient chickpea is combined for drought prone barind region. Different varietal comparison Isd 32 is better in respect of yield 64.70 t ha-1 for barind region and intercropping with chickpea is 85.62 t ha-1and only chickpea yield 0.79 t ha-1 is alarming. Considering the economic benefit intercropping chickpea with sugarcane gives 3.5 times compare to solely cultivated chickpea. Among the chickpea cultivars BARI chickpea is well adopted for barind region.
    Case Report
    Jaime A. Teixeira da Silva*
    There is ample evidence to prove that traditional peer review has failed at several levels. Failure has also been witnessed in the lack of responsibility displayed by editors and publishers in seeking to correct the literature whenever necessary. A survey conducted in 2014 indicates that almost 85% of respondents expected publishers to refund clients of literature that was retracted. To correct this dysfunctional system that is gradually widening, post-publication peer review must serve as the tool of choice to call out those who are gaming the system, or being irresponsible within it. In essence, the age of whistle-blowing has come to science, as a corrective measure. The literature needs correction. And those who have authored that literature, those who claim to have vetted it for quality, and those who are profiting from sales of corrupted literature must be held accountable.
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