- - يوسف عثمان حسين محمد اسد
- published on 11/1/2017
- INSECTICIDE RESIDUES LEVEL IN TOMATO FRUITS WASH COLLECTED FROM WAD MEDANI MARKET USING MOSQUITO LARVAE (Anopheles arabienesis) AS a BIO-INDICATOR
The aim of the present study was to assess the level of pesticide residues in tomato (Lycopersicon esculentum L.) fruits collected from Wad Medani market brought from three different location in Gezira state (Alhoush, Alrahad and Almadina Arab) by using mosquito (Anopheles arabiensis Patton) larvae. The 3rd or early 4th instar as a bio-indicator tool instead of high technology and costly analytical equipment was used. A total of 27 samples of tomatoes from market were collected. First the mortality was evaluated by taking 10 larvae/replicate (3 replicates/concentration), and each experiment was repeated three times to obtain the Probit model of insecticides used to control insects and then used later in the study to calculate the residues. The insecticide residues in tape water fruit wash of tomato fruits collected from the market from three localities were investigated by using the mosquito larvae. The mortality results were subjected to the equation of the regression line for each insecticide used to control the insect pest, as the Probit model, to calculate the concentration of the insecticides used in tomato fruits collected from the market. The residues were measured from 500 g and 1 kg of fruits as mg/g tomato fruit. The results provided important information on the current pesticide contamination status of the tomato consumed vegetables and pointed an urgent need to control the use of plant protection products applied. These results also show that the detected pesticides may be considered a public health problem. Malathion and cypermethrin residues in the 0.5kg and 1kg of tomatoes batches brought from the three localities Alrahad, Alhoush and Almadina Arab were found below the Acceptable Daily Intake (ADI) of 0.02mg/kg body weight and 0.05mg/kg body weight, for the two insecticides malathion and cypermethrin respectively. Although, that not means the tomatoes fruit brought to the market free of human health risk. Therefore the organic farming is highly needed to minimize the harmful risk of pesticides to human health.
published in International Journal of Current Research
- Mohammed Hamid Mekki Ahmed - محمد حامد مكي احمد
- published on 12/15/2017
- Vegetative growth of some grapefruit cultivars, grafted on sour orange and grown in the heavy clay soils of Gezira State, Sudan
The grapefruit (Citrus paradisi Macf.) is one of the most important citrus fruits in the Sudan. The traditional grapefruit cultivar in the Sudan is “Foster” which is a pigmented cultivar, but very seedy. The commercial importance of “Foster” around the world has declined because of its seediness. This experiment was conducted to evaluate the vegetative growth of grapefruit cultivars (as a source of scions) namely: Star Ruby, Rio Red, Frost Marsh, Flame, Little River, Red Blush, Davis, Wheeny, Pink Ruby, Sweetie and Ray Ruby. The cultivars were grafted on sour orange (Citrus aurantium L.), then they were grown on heavy clay soils in the horticultural nursery, Faculty of Agricultural Sciences, University of Gezira, Sudan. Planting date was 22 February, 2014. A randomized complete block design with three replicates was used with two seedlings in each plot. The measured parameters were plant height, number of branches/plant, length of branch, thickness of branch and thickness of scion and were recorded from February to December 2015. Results showed that Star Ruby recorded the longest plants, the longest branches, thickest scion and the largest number of branches/plant. Little River cultivar recorded the least vegetative growth. The most vigorous vegetative growth was recorded by Star Ruby cultivar grafted on sour orange in the heavy clay soils of Gezira State, Sudan. It is recommended to grow Star Ruby cultivar in the heavy clay soils as a source of scion.
published in Sinnar University Journal,volume5 ,Issue 2
- - احمد ميرغنى عبد الرحمن برير
- published on 1/1/2018
- Impact of Farmer Field Schools on Farmer`s Adoption of Wheat Production Technical Packages in Gezira Scheme/Sudan
Abstract- The main objective of this study was to assess the impact of farmer field schools on adoption of technical packages of wheat production in Gezira Scheme, Sudan. Field survey was used to collect data from 50 FFS-participants from Wadalbour and Elbsatna farmer field schools (25 from each school), and also equal number from Non-FFS participants were selected for comparison in 2014/2015 growing season. Close ended questionnaire was constructed and used in data collection. The collected data were coded, fed to computer and statistically analyzed using (SPSS), discussed interpreted using percentage, frequency distribution and chi-squire test. Using descriptive statistics analysis the results showed that the FFS-participants were adopted the application of wheat production technical packages land preparation ( First :86%, second:74%) , method of land preparation (92%),use of recommended wheat varieties (92%), seed rate(66%) , seed treatment with gaucho (86%), , sowing date ( 76%), fertilizers rates(66%) ,number of irrigations(82%) , harvesting time (52%). Also using chi-square test the results showed significant association between farmer`s adoption of wheat production technical packages and their participation in FFS weekly training. From this study it can be concluded that the FFS is very effective agricultural extension approach which can be adopted to transfer knowledge, recommended cultural practices of agricultural crops to farmers, and consequently increase income of them through their participation in various FSS activities. The study recommends that FSS should become national policy, share authority of extension organizations in finance, control and execution of FSS activities with farmer unions and other partners for more effective participations of farmers in all activities of the schools and the current curriculum of FFS should be developed.
- - ياسمين ادم علي ابو الرجال
- published on 9/20/2017
- Total Phenolic content and Antioxidant capacity of Basil (Ocimum basilicum L.) leaves from different locations
The present study was carried out to determine the antioxidant activity and total phenolic content of Ocimum basilicum collected from different regions of the world. The accession V1 is from Sudan, V2 from Iraq, V3 from Germany, V4 from Thailand, V5 from Russia and V6 from Maldives. The extracts from six basil accessions were analysed for their DPPH free radical scavenging activity and their total phenolic content (TPC). The results suggest that the highest antioxidant activity was found in V6 (from Maldives) and the lowest antioxidant activity was found in V4 (from Thailand). The highest amount of phenolic content was found in V6 (from Maldives) and the lowest phenolic content was found in V4 (from Thailand). This study shows that basil is a good source of free-radical scavenging compounds that have their traditional medicinal applications.
Keywords: Antioxidant activity, free radical, Ocimum basilicum, phenolic content.
published in International Food Research Journal
- - عمر عامر الحاج عبدالله
- published on 10/10/2017
- Lymphatic Malformation of Head and Neck
Background: Lymphatic malformations are developmental defects of the lymphatic system. They are frequently present at birth and are most commonly found in the head and neck regions. The aim of the study was to investigate the clinical presentation of head and neck Lymphatic malformations in relation to, age, gender, color and site of distribution. Methods: This is a retrospective descriptive study, where the record of the patient diagnosed as lymphatic malformation at the Department of Oral and Maxillofacial Surgery at Khartoum Teaching Dental Hospital, during the period of 2005 to 2008 where retrieved and analysed. Result: A cervicofacial lymphatic malformation was found more common in females than in males with a ratio of 11:9. The mean age was 14 ± 10 years, with lip and tongue being the most common sites, followed by the buccal mucosa in the intraoral site and neck in the posterior triangle was the most common site for extraoral site (30%). It was found that the bluish color was the commonest presenting color in oral lymphangioma followed by red pink color. Conclusion: Females are more affected than males, while infants and children were more affected than other age groups. The bulks of the patients were presented with soft swelling, blue to normal colour in the lip, neck and in the tongue. Further prospective studies are needed to evaluate the clinic picture and treatment outcome.
published in Noor Publishing