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Antioxidant, antibacterial properties and the light barrier assessment of raw and purified melanins isolated from Citrullus lanatus (watermelon) seeds

REFERENCES 1. Deshmukh CD, Jain A, Tambe MS. Phytochemical and pharmacological profile of Citrullus lanatus (Thunb). Biolife 2015; 3(2):483-488. doi: 2. Mehra M, Pasricha V, Gupta R. Estimation of nutritional, phytochemical and antioxidant activity of seeds of musk melon ( Cucumis melo ) and water melon ( Citrullus lanatus ) and nutritional analysis of their respective oils. J Pharmacogn Phytochem 2015; 3(6):98-102. 3. Tabiri B, Agbenorhevi JK, Wireko-Manu FD, Ompouma EI. Watermelon seeds as food: nutrient

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Impact of Grafting on Watermelon Growth, Fruit Yield and Quality

Impact of Grafting on Watermelon Growth, Fruit Yield and Quality

Grafting is an alternative approach to reduce crop damage resulting from soil-borne pathogens and increases plant abiotic stress tolerance, which in turn increases crop production. The purpose of this study was to determine whether grafting could improve plant growth and fruit quality of watermelon through monitoring the changes induced by different rootstock-scion combinations. Watermelon (Citrullus lanatus) cv. Aswan F1 was grafted into five rootstocks (Nun 6001 F1, Strongtosa F1, Tetsukabuto F1, Ferro F1 and Shintoza F1) hybrids between Cucurbita maxima and Cucurbita moschata. Highest vegetative growth and fruit yield were obtained by ‘Nun 6001 F1’ as a rootstock using the tongue approach method. Grafting reduced significantly sex ratio by reducing the number of male flowers. Grafting increased significantly lycopene content in fruit flesh by 57% over the control treatment, but did not affect soluble solids content (SSC). One third of the control non-grafted plants died and Fusarium oxysporum was isolated as the responsible pathogen. These results indicate that grafting watermelon onto specific rootstock influences growth, productivity, and quality of the fruit as well as disease resistance. Grafting can be suggested as an alternative method to control of Fusarium wilt in watermelon production.

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Performance of watermelon (Citrullus lanatus L.) in response to organic and NPK fertilizers

Tithonia manure. International Journal of Science and Nature 1, 7–11. [38] Enujeke, E. C., Ojeifo, I. M, Nnaji, G. U. (2013), Residual effects of organic manure and inorganic fertilizer on maize grain weight and some soil properties in Asaba area of Delta State. International Journal of Advanced Biological Research 3, 433–442. [39] Aniekwe, G., Nwokwu, L. (2014), Impact of different mulching materials on the growth and yield of watermelon (Citrullus lanatus) in Abakaliki. Southeastern Nigeria Journal of Biology, Agriculture and Healthcare 4, 22

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Lycopene and flesh colour differences in grafted and non-grafted watermelon


The experiment was carried out in three regions in Hungary (Jászszentandrás, Cece, Újkígyós) in 2013 to determine the fruit quality of grafted watermelon (Citrullus lanatus Thunb.). The “RX 467” seedless watermelon variety was grafted on two commercial rootstocks “FR STRONG” [Lagenaria siceraria (Mol.) Standl.] and “RS 841” (Cucurbita maxima Duchesne × Cucurbita moschata Duchesne). The lycopene and flesh colours are important quality characteristics even of the selfrooted and grafted watermelon. Some differences can be attributed to different environments, technological methods and to the type of rootstockscion combination. Lycopene is a strong antioxidant; therefore, we considered to examine the content change. Regardless of growing location, the lycopene concentration and the chroma (C*) showed the best result in the case of interspecific rootstock. The result also showed that in two regions (Jászszentandrás, Cece) we can find negative correlation between the lycopene concentration and the L* value of the flesh colour.

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Review of research on haploid production in cucumber and other cucurbits


This review provides a summary of haploid induction methods and factors affecting the efficacy of specific methodologies as applied to cucumber (Cucumis sativus L.), melon (Cucumis melo L.), watermelon (Citrullus lanatus (Thunb.) Matsum. & Nakai), winter squash (Cucurbita maxima Duch. ex Lam.), summer squash (Cucurbita pepo L.) and other cucurbits. This report is focused on studies that were carried out during the last 20 years.

The main objective of the research on the production of haploid cucurbit plants is to accelerate breeding programs through the use of homozygous double haploid lines (DHL) and to facilitate the selection of desired (e.g. disease-resistant) genotypes for breeding. Unfortunately, currently used protocols result in a low number of double haploids (DH). The most common and best-known method of obtaining haploid cucurbit plants is via pollination with irradiated pollen, which induces parthenogenetic development of haploid embryos in planta. The embryos are extracted from immature seeds and cultured in vitro to facilitate the maturation and development of plants. The studies described below were primarily aimed at the determination of an appropriate dose of radiation and the evaluation of the impact of the genotype and the time of year on the number of haploid embryos and plants obtained.

A less popular method of haploid production - ovule and ovary culture - is based on in vitro gynogenesis. The studies related to this method concentrated on optimising the composition of the medium and pre-treatment conditions (primarily temperature) to which the flower buds were subjected.

Recently, increasing attention has been paid to anther and microspore culture. As in the case of in vitro ovule and ovary culture, the medium composition and flower bud pre-treatment conditions were optimised. The most recent studies suggest that anther culture is comparable in effectiveness to the irradiated pollen technique.

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Effects of Dietary Moringa oleifera Leaf Meal as a Replacement for Soybean Meal on Growth, Body Composition and Health Status in Cyprinus carpio Juveniles

fingerlings fed Citrullus lanatus seed meal as a replacement for soybean meal. Journal of Aquaculture Engineering and Fisheries Research, 1, 1, 49-56. Tiamiyu, L. O., Ayuba, V. O., Okomoda, V. T., Umar S. (2014): Effect of various levels of raw Citrullus lanatus seed meal diets on growth performance of Cyprinus carpio finger-lings. Jordan Journal of Biological Sciences, 7, 4, 269-274. Tiamiyu, L. O., Ayuba, V. O., Okomoda, V. T., Umar, S. (2016): Growth response of Cyprinus carpio fingerlings fed diets containing hydrothermally processed Citrullus

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Influence of Seed Invigoration Techniques on Germination and Seedling Vigor of Maize (Zea mays L.)

. & Grierson, D. (1984). The effect of low temperature pre-sowing treatment under the germination performance and membrane integrity of artificially aged tomato seeds. J.Exp.Bot., 35: 1609-1617. Demir, I. & van de Venter, H.A. (1999). The effect of priming treatments on the performance of watermelon ( Citrullus lanatus (Thunb.) Matsum and Nakai) seeds under temperature and osmotic stress. Seed Sci.Technol., 27(3): 871-875. Demir, I. & Oztokat, C. (2003). Effect of salt priming on germination and seedling growth at low temperatures in watermelon seeds

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Performance of Pepper Seedlings Developed from Seeds Pretreated with Algal Aqueous Extracts

.C., Yamaguchi, T., Takamura, H., Yin, L.J., & Matoba, T., 2008 - Effect of cooking on the antioxidant properties of coloured peppers. Food Chem ., 111(1): 20-28. Chung, I.M., Ahn, J.K., & Yun, S.J., 2001 - Assessment of allelopathic potential of barnyard-grass ( Echinochloa crus-galli ) on rice ( Oryza sativa L. ) cultivars. Crop Prot. , 20: 921-928. Demir, İ., & Mavi, K., 2004 - The effect of priming on seedling emergence of differentially matured watermelon ( Citrullus lanatus (Thunb.) Matsum and Nakai) seeds. Scientia Horticultura, 102(4), 467

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Thermogravimetric and Kinetic Analysis of Melon (Citrullus colocynthis L.) Seed Husk Using the Distributed Activation Energy Model

.1016/j.foodchem.2012.09.009 [7] Jarret R. L., Levy I. J. Oil and Fatty Acid Contents in Seed of Citrullus lanatus Schrad. Journal of Agricultural and Food Chemistry 2012:60(20):5199-5204. doi:10.1021/jf300046f [8] Hussain A. I. et al. Citrullus colocynthis (L.) Schrad (bitter apple fruit): A review of its phytochemistry, pharmacology, traditional uses and nutritional potential. Journal of Ethnopharmacology 2014:155(1):54-66. doi:10.1016/j.jep.2014.06.011 [9] Mehta A. et al. Antimycobacterial activity of Citrullus

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Water-Yield Relations of Drip Irrigated Watermelon in Temperate Climatic Conditions

and water use of onion (Allium cepa L.). African Journal of Biotechnology, 10:2644-2652, 2011. STATISTICAL YEARBOOK OF SERBIA, 2004. Available at: (accessed March, 2016). SENYIGIT V.: The effects of different irrigation methods doses and forms on the yield and quality of watermelon. M.Sc. Disertation, Institute Agronomique Meditaerraneen de Bari, 1998. SIMSEK M., KACIRA M., TONKAZ T.: The effects of different drip irrigation regimes on watermelon [Citrullus lanatus (Thunb.)] yield and yield

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