K. senegalensis belonging to the plant family Melieceae is probably the most distinctive of the species, which is the main source of African mahogany (Karigar et al. LONG TERM STORAGE OF KHAYA SENEGALENSIS SEEDS. Leaves alternate, compound, stipules absent; petiole and rachis 13-33 cm long; leaflets 3-4 (max. DOI: 10.1007/s12595-012-0058-8. and traded on the international timber market. Seeds of Khaya senegalensis plant (Figure 2) were obtained and dried in a shade to maintain its composition. Tetranortriterpenoids. 66 May 2003. Effect of Mahogany (Khaya senegalensis L) Leaf Extract on Root-Knot Nematode of Tomatoes (Lycopersicum esculentum L.) B ... seed weight. The trials were conducted on three sites that were distinct by their microclimate (two nurseries in Côte d’Ivoire and one greenhouse in France). 93-100. Glycerol was used to vary the concentrations of the oils, 50%, 60%, 70%, 80%, 90% and 100% of the Glycerol and Khaya senegalensis oil each. Flowering occurs shortly before or in the beginning of the rainy season and the flowers are pol-linated … The wood is harvested for carpentry, construction, dugout canoes, etc. It has a smooth thick trunk, up to 1m in diameter with dark Grey bark. grid has 1 cm divisions). Khaya senegalensis Seeds, African mahogany, dry zone mahogany Seeds Product Description Large usually deciduous tree growing to 30m in height. ist eine Pflanzenart aus der Familie der Mahagonigewächse (Meliaceae).. Verbreitung und Gefährdung. … the bitter tasting bark is used as folk medicine for fever, stomach aches, headaches etc. HPLC from the seeds of Khaya senegalensis and identified as 2-hydroxy-mexicanolide, 6-desoxy destigloyl swietenine and 2,3-dihydroxy-3-desoxymexicanolide by spectral methods. some seed treatments on Khaya senegalensis naturally infected with root rot and their interactions on some growth measurements and chemical composition of K. senegalensis seedlings and their effect on root anatomy of healthy and diseased seedlings. Figure 2. Download : Download full-size image; Previous article in issue; Next article in issue; Keywords. Khivorin . Khaya senegalensis is a fast growing tree, capable to grow up to 30 meters in height within years. African mahogany (Khaya senegalensis) plantations in Australia – status, needs and progress D ... seed from the CSOs and good trees in older plantings. The dry seeds were pulverised using motar and pestle then boiled and the oil at the surface collected in sterile Mc-Cartny bottles. ), indigenous to Sudan, for its proximate composition, minerals, fatty acids, total soluble phenolics, ph enolic constituents and tocopherols. Yield loss due to nematodes was greater than with concurrent leaf hopper damage. The refractive index of the oil was found to be 1.458, while the relative density was 0.953. HPLC. Samir A.M. Abdelgaleil, Matsumi Doe, Munehiro Nakatani. Khaya senegalensis. The fatty acid constituents of the oil were stearic acid (10.41%), palmitic acid (21.39%), oleic acid (64.62%) and unidentifiable acid (3.58%). (1999). 1. The crude fat was 53% in seed kernel and 13% in coat. The development of clonal propagation could improve plantation establishment, which is currently impeded by mahogany shoot borer. Disease survey and assessment: 1.1. An examination of the seed of Khaya senegalensis A. Juss has given the known compounds khivorin and 7-deacetoxy-7-oxokhivorin, together with 3-deacetylkhivorin and a compound which is probably 7-deacetoxy-3-deacetyl-7-oxokhivorin. Meliaceae. A. development in Khaya senegalensis. Khaya senegalensis is a multipurpose African timber species. This present study investigates the in vitro inhibitory effect and antimicrobial activity of secondary metabolites isolated from the roots of Khaya senegalensis , a plant of the Meliaceae family. Measures of reproductive output of Khaya senegalensis trees in high harvest vs. low harvest populations, and in two ecological regions in Benin: (a) number of fruits per tree, (b) number of seeds per fruit and (c) seed mass (g). Mexicanolide. Glycerol was used to vary the concentrations of the oils, 50%, 60%, 70%, 80%, 90% and 100% of the Glycerol and Khaya senegalensis oil each. Danida Forest Seed Centre Phone: +45-49190500 Krogerupvej 21 Fax: +45-49160258 DK-3050 Humlebaek Email: dfsc@sns.dk Denmark Website: www.dfsc.dk Flowering and fruiting habit Leaves are shed in the dry season and are directly replaced. Seeds: Seeds of dry zone mahogany from Upper Guinea (NB. Seeds of four African tree species from the Sahelian zone (Boscia senegalensis) and the Sudanian zone (Butyrospermum parkii, Cordyla pinnata and Saba senegalensis) lose viability after moisture contents drop below 22 and 30%, depending on the species.Seed longevity in wet and airtight storage does not exceed a few months. The iodine and saponification values were 88.40 and 195.58, respectively. Disease assessment: Naturally, infected seedlings (showing symptoms of damping-off) of K. senegalensis … International Tree Crops Journal: Vol. The antimicrobial attributes of the seed oil was investigated using disc diffusion and broth dilution methods. ABSTRACT: Two medicinal plants (Khaya senegalensis and Melia azedarach), frequently used by a large part of the Senegalese population and in particular that of the natural region of Casamance in the traditional treatment of malaria, were selected to study phytochemistry and to compare the antimalarial activity of the different parts used (leaves, bark, and seeds). Khaya senegalensis is a deciduous evergreen tree, 15-30 m high, up to 1 m in diameter, with a clean bole to 8-16 m, buttresses not prominent or absent; bark dark grey, with small, thin, reddish-tinged scales; slash dark pink to bright crimson, exuding a red sap. No. Nursery grown seedlings from four provenances in Burkina Faso were used for the study. Dirk Thies: Leaves: Foliage of K. senegalensis. Twelve new limonoids (khasenegasins O-Z; 1-12) with three different kinds of skeletons, including eight mexicanolides, two gedunins, and two andirobins, together with four known limonoids (13-16) were isolated from the seeds of Khaya senegalensis. Probably the wood of Khaya senegalensis is occasionally mixed with the wood of other Khaya spp. Khaya senegalensis seed is valued among the best in production of non-fossil oil used for various applications. The studies revealed significant variability in all traits evaluated. Khaya senegalensis, also known as "African dry zone mahogany" or mubaba in the Shona language, is also used for its herbaceous parts. Khaya senegalensis seed oil is an example of underutilized oil that can serve as feedstock for the pro-duction of oleochemicals. Tests below ) shoot borer disc diffusion and broth dilution methods senegalensis and identified as 2-hydroxy-mexicanolide, 6-desoxy swietenine... 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