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Academic literature on the topic 'Meloe niger'
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Journal articles on the topic "Meloe niger"
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E. C., Chuku,, and Emiri, U. N. "Pathological Evaluation and Nutritional Composition of Golden Melon (Cucumis Melo)." Journal of Agricultural Studies 5, no. 4 (2018): 129. http://dx.doi.org/10.5296/jas.v6i3.13553.
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Studies on the pathological evaluation and nutritional composition of golden melon was carried out in the Plant Pathology and Food Science and Technology Laboratories in the Rivers State University. The freshly harvested fruits of the golden melon had high amount of moisture (58±0.04), sucrose, total solid, lipid with very low ash (0.56±0.00). Mineral composition analysis also revealed high amount of calcium (98.5±0.01), moderate quantity of potassium, and low amount of phosphorus (21.4±0.00). Vitamins A and C were also present in the fruits. Other components found were lactic acid and saponnins which occurred in minute quantities.Pathological evaluation of the associated fungi showed that five different fungi with varying degrees of incidence were associated with the spoilage of the fruits of golden melon. These fungi were Botrytis cinerea (60%), Aspergillus flavus(30%), Aspergillus niger and Aspergillus tamari (5%) respectively while Muccor species recorded the highest incidence (70%). However, all the fungal isolates were found to be pathogenic causing soft rot characterized by oozing of water with offensive odour.
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Wasiu Oyeleke, Oyediran. "Effectiveness of Melon Shelling Technology and Preference by Rural Women in Nigeria." Journal of Agriculture and Crops, no. 68 (August 31, 2020): 119–25. http://dx.doi.org/10.32861/jac.68.119.125.
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Few years ago National Centre for Agricultural Mechanization (NCAM) launched melon sheller to reduce burden of obtaining melon oil and cake, and to enhance rural women’s productivity. This study looked at the productivity of promoted melon shelling technology and preference by rural women in Nigeria. Data were gathered from the NCAM workshop and survey of melon processors in Niger State. In the workshop, it was found that time allowed for soaking melon and covering with piece of clothes contributed to the productivity of the sheller. Results from survey revealed that 95.1% of the respondents’ preferred Internal Combustion technology and 90.2% liked electric-driven melon shellers over the manual one. Also, 69.5% obtained the shellers from local fabricators rather than NCAM. The technology led to increased turnout of melon (378kg/hr) and reduced wastages to 1.26kg out of 75.6kg. The study concluded that the promoted melon sheller is efficient and have positive implication on the rural women’s productivity and revenue. The study recommends that the rural women should put the melon sheller into its maximum capacity use. The NCAM should extend training to the local fabricators so that they can improve on the technology most especially in the areas of winnowing and washing of melon kernels.
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E., Amadi, Deleke E., Olahan G., Garuba T., and Adebola M.O. "EFFECT OF PLANT EXTRACTS ON SPORULATION AND SPORE GERMINATION OF STORED MELON SEED FUNGI." International Journal of Research -GRANTHAALAYAH 1, no. 1 (2014): 21–29. http://dx.doi.org/10.29121/granthaalayah.v1.i1.2014.3082.
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Frequently, stored melon seeds fail to preserve to their time of use. Storage fungi invade these seeds and cause their deterioration. A study was, therefore, carried out to determine the effect of guava (Psidiumguajava L.) leaf and ginger (Zingiberofficinale) rhizome extracts on the sporulation and spore germination of the invading seed fungi.Dried leaves and rhizomes were ground in sterile mortar, filtered through a wire sieve and then extracted usingthree different solvents. Results revealed that both extracts hindered sporulation and spore germination in the four fungi tested namely: Aspergillusflavus, A. niger, Rhizopusstolonifer and Fusarium species. The effect of the extracts on the test organisms increased with concentration of the extracts. Phytochemical screening confirmed the presence of alkaloids, saponins, lipids,tannins, flavonoids, and steroids. A reduction in nutrient contents was also observed in infested melon seeds. These results are significant and would serve as a template for planning the control of storage fungi in melon seeds in particular and other crop produce in general.
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E. C, Chuku,, Chika, B, and Nmom, F. W. "Fungicidal Property of Andrographis paniculata extract on Fungal Organisms from Citrullus colocynthis (L.) Schrad (Melon Seeds)." Volume 5 - 2020, Issue 8 - August 5, no. 8 (2020): 461–66. http://dx.doi.org/10.38124/ijisrt20aug287.
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Antifungal property of A. paniculata on fungal isolates from Citrullus colocynthis was investigated. Citrullus colocynthis were bought from traders in a major market in Abia State, Nigeria. The melon seeds were first cleaned and disinfested by keeping them in a freezer at -50C for 7 days to kill all hidden infestations. The disinfested seeds were dried in a Gallenkamp oven at 40oC for 4 hours before they were stored in plastic sterile containers with tight lids. Fresh plant of A. paniculata was collected from botanical garden of the Rivers State University and was identified in the botany department. The leaves of the plant were shade dried and blended into fine powder. Twenty grams (20g) of the powdered leaves was extracted using methanol and ethanol. The filtrate was evaporated and the resulting crude extract was used for antifungal sensitivity test. Fungi associated with rotted C. colocynthis were identified using standard microbiological methods. The antifungal activity of the extracts was carried out using the well in agar diffusion method. In this method, 48 hours old fungal isolate was inoculated on dried Sabouraud Dextrose Agar plates in duplicates. five wells were bored using sterile 6mm cork borer on the dried seeded plates before 0.2ml of the different concentrations of 100, 50, 25, and 12.5mg/ml of the methanol extracts were transferred into the wells using sterile pipettes. Aspergillus flavus, Rhizopus arrhizus, Aspergillus niger, Rhizopus sp and Mucor sp were identified from the melon seeds. The zone diameters of methanolic extract of A. paniculata on Rhizopus arrhizus, A. niger, A. flavus, Rhizopus sp and Mucor sp were 11.50±0.71, 19.50±0.71, 34.50±0.71, 15.00±0.00 and 17.00±0.00mm, respectively. The zone diameters of ethanolic extract of A. paniculata on Rhizopus arrhizus, A. niger, A. flavus, Rhizopus sp and Mucor sp were 0.00±0.00, 16.50±0.71, 34.50±0.71, 20.50±0.71 and 0.00±0.00mm, respectively. There were significant differences (P ≤ 0.05) in the antifungal activity of the extract across the fungal isolates. The antifungal activity of the leave extracts showed that the ethanolic extract and the methanolic extract were very active on the fungal isolates and the antifungal activities of the extract was greatly influenced by the concentration of the extract, with higher concentrations of extract having high zone diameter.
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Obani, F. T., and B. Ikotun. "Efficacy of three botanicals on postharvest fungal contaminants of melon (Citrullus colocynthis) kernels." Agro-Science 20, no. 1 (2021): 1–8. http://dx.doi.org/10.4314/as.v20i1.1.
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Melon (Citrullus colocynthis L.) is an important crop used mainly for soups in Nigeria. Egusi: as it is commonly called in Nigeria is contaminated by many fungal pathogens which reduce quality of seeds during storage. Use of botanicals can be a safe method to manage fungal contamination instead of chemicals which pose a threat to human health. Therefore, efficacy of Piper guineense, Xylopia aethiopica and Ocimum gratissimum on fungi in shelled Egusi seed kernels (EK) were evaluated. One market in each of six South-western Nigerian states where Egusi is sold was purposively selected in 2012 and 2013. Egusi kernels (1⁄2kg, n = 162) were purchased from selected traders for fungi isolation, identification and incidence (%) determination. Clean EK treated with botanical powder (10, 20 and 40 g kg–1) were inoculated with Aspergillus flavus, A. niger, A. tamarii, Rhizopus sp., Penicillium aurantiogriseum, P. citrinum and Fusarium solani bi-weekly for 14-week storage period to evaluate growth reduction (%). Control was inoculated with sterile distilled water. Aspergillus flavus, A. niger, A. tamarii, Penicillium citrinum, P. aurantiogriseum, Fusarium solani and Rhizopus sp. were frequently encountered in EK. Aspergillus (32.4±1.6%) was the most predominant fungus followed by Rhizopus (21.5±2.0%) in all States. Piper guineense (40 g kg–1), X. aethiopica (20 g kg–1) and O. gratissimum (10 g kg–1) powders significantly reduced aflatoxin contamination by 42.5%, 56.5% and 45.0%, respectively; fungi growths were progressively reduced by P. guineense (5.5-90.0%), X. aethiopica (6.7-100.0%) and O. gratissimum (7.4 66.7%) up to 12 weeks of storage. Egusi kernels were highly infected with postharvest fungi especially Aspergillus species. Xylopia aethiopica at 20 g kg–1, O. gratissimum (40.0%) and P. guineense (40.0%) reduced fungi growth on Egusi considerably and therefore could be used as a safe management option to mitigate storage fungi contamination in Egusi kernels.
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D. V., Adegunloye, Olotu T. M., and Sanusi M. B. "Microbial Fermentation of Water Melon (Citurullus lanatus) Seeds for Bioethanol Production." Journal of Biotechnology Research, no. 68 (August 20, 2020): 104–8. http://dx.doi.org/10.32861/jbr.68.104.108.
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Watermelon (Citrullus lanatus) is a vine-like flowering originally from Southern Africa. The microbial fermentation of watermelon seeds for me production of bioethanol was investigated. The seeds were washed dried and grounded into powder. The seed powder was then fermented for bioethanol production and the microorganisms responsible for the fermentation were isolated and characterized. Bioethanol was distilled from the fermentation. The distilled bioethanol was subjected to comparative analysis with ’the conventional ethanol. Proximate analysis of the grinded seed was carried out before and after fermentation. The organisms responsible for fermentation were identified as Lactobacillus bulgaricus, Bacillus cereus, Streptococcus lactis, Staphylococcus aureus, Enterococcus sp, Micrococcus spp, Staphylococcus epidermidis, Fusarium oxysporium, Mucor mucedo, Penicillium notatum, Saccharomyces cerevisiae, Aspergillus fumigatus and Aspergillus niger. There was an increase in the protein content of the seed from 4.269% in the unfermented to 10.031% in the fermented. While carbohydrate reduced from 70.523% in the unfermented to 50.149% in the fermented seed. Fat content increased as well as crude fibre content. The distilled bioethanol boils at 78.4% and as a melting point of -112°C at 15°C. The refractive index was 1.360 and the flash point was 12°C. It burns with blue flame. Considering the comparison between the bioethanol produced from Citrullus lanatus seeds with the conventional ethanol, it can be used as an alternative source of biofuel.
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Ire, Francis, Ogechi Eze, and Ndukwe Maduka. "A Influence of Different Wrapping Materials on Microbiological, Physicochemical and Sensory Properties of Condiment Product ‘Ogiri-egusi’." Journal of Life and Bio Sciences Research 1, no. 2 (2020): 34–43. http://dx.doi.org/10.38094/jlbsr1213.
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Ogiri’ is a locally fermented product from oil seeds such as melon seeds (Citrullus vulgaris). It is commonly used as condiments to enhance the flavour of the variety of foods. This study was aimed at determining the influence of different wrapping materials on microbial load, proximate composition, physicochemical and sensory properties of indigenous fermented melon seeds known as “ogiri-egusi”. Melon seeds obtained from the local market were dehulled, wrapped in banana leaf, boiled and mashed. The mashed ‘ogiri egusi’ was separately wrapped using aluminium foil, paper, banana leaf, transparent and black cellophane and allowed to ferment for five (5) days. Daily pH monitoring of the samples was carried out while microbiological analysis and proximate composition of the fermented products were determined using Standard Methods while Sensory evaluation was carried out using a 9-point Hedonic scale. The sample wrapped with banana leaf had the highest total heterotrophic bacterial count (THC) of 6.08 log10 CFU/g), total coliform count (CC) of 4.88 log10 CFU/g, total Staphylococcal count (TSC) of 5.07 log10 CFU/g) and total fungal count (TFC) of 3.75 log10 CFU/g). On the contrary, ogiri-egusi wrapped with aluminum foil had the lowest THC (5.84 log10 CFU/g), TCC (4.39 log10 CFU/g), TSC (4.83 log10 CFU/g), TLC (3.61 log10 CFU/g) and TFC (3.39 log10 CFU/g). Staphylococcus sp., Micrococcus sp., Bacillus sp. and Lactobacillus sp., Aspergillus niger, A. flavus, Fusarium sp., Saccharomyces sp., Penicillium sp. and Candida sp. were isolated from the samples wrapped with different materials. There was a slight increase in pH with an increase in fermentation time in all samples irrespective of the wrapping material. There were significant differences (P<0.005) in proximate composition and sensory scores of the samples wrapped with different materials. Ogiri-egusi wrapped with aluminium foil was most preferred based on sensory scores. Considering the results obtained from the microbial analysis, proximate composition and sensory properties of ogiri-egusi wrapped with different materials, aluminium foil is recommended as a wrapping material. This will enhance the microbial and aesthetic qualities of this locally fermented condiment product for improved utilization.
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Mohammed Abubakar, Mohammed Abubakar. "Economies of Scale and Cost Efficiency in Small Scale Egusi Melon Production in Bida Local Government Area of Niger State, Nigeria." IOSR Journal of Agriculture and Veterinary Science 2, no. 6 (2013): 92–97. http://dx.doi.org/10.9790/2380-0269297.
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Mohammed Dahiru, Toungos, and Hassans Tanko. "THE EFFECTS OF CLIMATE CHANGE ON FOOD CROP PRODUCTION IN NORTHERN NIGERIA." International Journal of Research -GRANTHAALAYAH 6, no. 9 (2018): 458–69. http://dx.doi.org/10.29121/granthaalayah.v6.i9.2018.1269.
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The Earth's temperature is rising as a result of increased atmospheric concentrations of greenhouse gases. As the Earth warms, currently wet regions are expected to receive more rainfall, and currently dry regions receive less. Nigeria and indeed Northern Nigeria is not an exception. Crop production is one of the most vulnerable systems and heavily affected by climate change in Nigeria and more particularly in the Northern part of the country where the presence and prevalence of drought is mostly felt. Crops are mostly flooded and are rendered less productive by flood, in addition to extensive dependence on rainfed farming coupled with high poverty level of the people of the region. Major crops cultivated in the region include groundnuts, beans, cotton, soybeans, sesame, cashew nuts, mango, cassava, yam, gum arabic, maize (corn), melon, millet, , plantains, rice, sorghum, bananas, yams, pepper, coffee, carrots, sugarcane, soybeans, with major producing states of soybeans as Kaduna, Niger, Kebbi, Nasarawa, Kwara, Jigawa, Taraba, Borno, Benue, Bauchi, Sokoto, Plateau, Zamfara and Abuja FCT are now facing yield depreciation. Most of these crops are facing problems such as flower abortions, wrong flowering and fruiting time and generally low yields due to the effects of climate change. As rainfall becomes more variable, farmers no longer are able to rely on their knowledge of the seasonality of climatic variables. It is recommended that, series of awareness in terms of seminars, symposiums, farmers field days should be conducted to the farmers to enlighten them on the knowledge of modern techniques of crop production, such as the use of early maturating seeds, drought resistance varieties and more especially the use of irrigation in order to boost crop production in the region. Weather focused information should be made available to the farmers in the form of short message (SMS) in addition to informing them on weather both in print media.
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Prokofiev, A. M. "Critical analysis of results of the revision of the genus Chiasmodon made by M.R.S. Melo (2009) and a characteristic of new form C. niger-complex from the Indian Ocean (perciformes: chaismodontidae)." Journal of Ichthyology 50, no. 7 (2010): 503–11. http://dx.doi.org/10.1134/s0032945210070027.
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