Text is available under the creative commons attributionsharealike license. To examine its potential for clonal propagation, the effects of cutting length, leaf area, stockplant maturation, auxin, and smoke solution treatments were investigated. Find support for a specific problem on the support section of our website. The structure of 1 was fully determined by spectroscopic analysis, singlecrystal xray diffraction, and bioinspired total synthesis. Your use of this pdf, the bioone complete website, and all posted and associated.
In vivo efficacy and toxicity studies on erythrina. The antiplasmodial activity of aqueous extracts of e. Natural resistance of plantation grown african mahogany khaya ivorensis and khaya senegalensis from brazil to woodrot fungi and. Tepongning rn1, lucantoni l, nasuti cc, dori gu, yerbanga sr, lupidi g, marini c, rossi g, esposito f, habluetzel a. Khaya ivorensis wood is exported from west african countries in mixed consignments with other khaya spp. Jun 04, 2019 this page was last edited on 4 june 2019, at 09. Khaya ivorensis pdf the tree is widely exploited for its very valuable timber, which is traded internationally, and plantations have been established in several countries. General information khaya anthotheca is a large, fastgrowing, semideciduous tree with a dense crown, sometimes exceeding 60 metres in height, producing abundant panicles of fragrant, white flowers. The species is reported to be found in all the timber producing areas of west africa, from ivory coast to gabon and cabinda, and is primarily found in the ivory coast, ghana, and nigeria. Molecules free fulltext limonoids from the fruits of. Khaya ivorensis and khaya grandifoliola progenies in plantation.
Potential of a khaya ivorensis alstonia boonei extract. Before requesting germplasm, scientists should consider their capacity to. In june 2015, apical shoots of khaya ivorensis were detected. Forestry research institute of ghana trial plots at benso in the wet evergreen forest ecological zone on ghana.
Khaya ivorensis name synonyms khaya caudata stapf khaya caudata stapf ex hutch. Mechanical values category green dry units weight 40 31 lbscu. Pdf leaf morphometric variation in two species of african. The bark on the young branches is smooth and greyishbrown but smooth to sometimes mottled grey and brown, flaking on the older branches and stems. Who also stated that over 500,000 babies with severe forms of sickle cell disorder are born worldwide, with majority in low and middle income countries. This page was last edited on 1 december 2018, at 11. Between the 5 types of khaya mentioned above, all of which are growing in various climate conditions, soil types and elevations there are too many properties, characteristics, colors, weights, figure types, grains, etc. Unlike other khaya species which do not require much rainfall, it is reported to grow in the rain forest in lowlying areas within its range. Khaya senegalensis is a multipurpose african timber species. Under the decree, uprooting or damage to this species is prohibited, as is the destruction of their fruits and seeds. Khaya senegalensis, also known as african dry zone mahogany or mubaba in the shona. Khaya ivorensis dubini as a fast growing species, which does well in semideciduous and evergreen forest, tending to do better on banks of streams.
The present study was carried out to determine the antibacterial properties of the essential oils of these plants against the selected bacterial isolates and to establish or. Munyama uganda, acajou dafrique ivory coast, dubini, dukuma fufu ghana, ogwango nigeria. Bole straight, unbranched up to 30 m above the ground with welldeveloped plank buttresses. Comparative ecological wood anatomy of african mahogany khaya ivorensis with special reference to damage caused by hypsipyl robusta shootborer rinne e. Potential of a khaya ivorensis alstonia boonei extract combination as antimalarial prophylactic remedy. African mahoganys khaya ivorensis is a very large tree that attains a height of 4050 m and a dbh of up to 2 m. Meliaceae grows widely in angola, cameroon, and nigeria. Khaya anthotheca is a large evergreen tree up to 60 m tall up to 30 m in the garden with an elongated or rounded, muchbranched crown. Often further classified as to port of shipment or country of origin. General information khaya anthotheca is a large, fastgrowing, semideciduous tree with a dense crown, sometimes exceeding 60 metres in height, producing abundant panicles of. In the previous chapter, the general characteristics of. Pdf four clones of khaya ivorensis were grown in tropical glasshouses in edinburgh.
The wood contains khivorin, small amounts of swietenolide esters and other limonoids. Khaya ivorensis and khaya senegalensis forest products laboratory. National plant germplasm system covid19 update, march 23, 2020. In addition, it was established that leaf size in khaya ivorensis k. Khaya is a genus of five species of trees in the mahogany family meliaceae. In vivo efficacy and toxicity studies on erythrina senegalensis and khaya ivorensis used as herbal remedies for malaria prevention in cameroon roselyne nzangue tepongning 1. Antisickling activities of the stem bark of three khaya. Aug 29, 2014 this page was last edited on 22 december 2019, at 05. Two new limonoids, namely 14,15didehydroruageanin a 1 and 3omethyl butyrylseneganolide a 2, were isolated from the fruits of khaya ivorensis along with six known limonoids. Methyl ivorensate from the wood contains a ring a lactone system similar to that in nomilin, and is the first compound of this type found outside the rutaceae. Khaya ivorensis, also called african mahogany or lagos mahogany, is a tall forest tree with a buttressed trunk in the family meliaceae. Pdf vegetative propagation of khaya ivorensis african mahogany. It most closely resembles the wood of khaya grandifoliola c. The development of clonal propagation could improve plantation establishment, which is currently impeded by mahogany shoot borer.
General information khaya ivorensis is a very large evergreen tree which can be deciduous in drier climates, that attains a height of 40 50 metres. Wood database and searchable library woodworkers source. The wood is moderately durable and can be susceptible to termite and pinhole borer attacks. The present study was carried out to determine the antibacterial properties of the essential oils of these plants against the selected bacterial isolates and to. The user has requested enhancement of the downloaded file. The wood of khaya senegalensis resembles true mahogany from swietenia spp. Ivorenolide a, an unprecedented immunosuppressive macrolide. The timber of khaya ivorensis contains khivorin, small amounts of swietenolide esters and other limonoids. The wood of makore tieghemella is similar, but more durable. Khaya ivorensis is greatly used as timber and little is known about its extracts especially the essential oil of the seed. This plant has been demonstrated to exhibit a wide range of biological properties, such as antiinflammatory, antimalarial, antifungal and cytotoxic activities. Sep 01, 2011 potential of a khaya ivorensis alstonia boonei extract combination as antimalarial prophylactic remedy. Department of agriculture agricultural research service. The diverse structures and significant biological activity of limonoids isolated from the meliaceae family have prompted continuous studies on this group of metabolites taylor, 1984, champagne et al.
All the compounds were evaluated for their cytotoxicity. Both compound 1 and its synthetic enantiomer 2 showed potent and selective immunosuppressive. Pdf antifungal activity of limonoids from khaya ivorensis samir. Mahogany, ghana, identification, khaya species, qualitative, quantitative four closely related ghanaian khaya woods were studied for differences in anatomical, chemical and physical properties to enable clear identification of the species. Common names africanmahogany in english ivory coast khaya in english lagosmahogany in english. Dialairi ivory coast, ghana, akuk, ogwango nigeria, eri kiree uganda, bandoro sudan. Antibacterial and toxicological properties of essential. Khaya ivorensis, also known as african mahogany, is one of the most important timbers for plantations, since the trees grow quickly and produce highquality wood. Natural resistance of plantation grown african mahogany khaya. General information khaya ivorensis is a very large evergreen tree which can be deciduous in drier climates, that attains a height of 40 50 metres303. In this study, the chemical constituents of khaya ivorensis stem bark and their termiticidal activity were investigated on triplochiton scleroxylon and vitex. Kiln drying of wood as defined by hart 6 is a dynamic balance between heat transfer from air stream to the wood, surface evaporation from the wood. Khaya ivorensis is a species in the african mahogany family.
Khaya ivorensis in the germplasm resources information network grin, u. In moist evergreen forest khaya ivorensis can be found flowering and fruiting throughout the year and bearing flowers and fruits at the same time. Khaya grandifoliola khaya ivorensis hypsipyla robusta attack. It is found in angola, cameroon, cote divoire, gabon, ghana, liberia, and nigeria where it grows primarily in lowland tropical rainforests. A ban on the export of timber in log form was introduced in ghana. Antibacterial and toxicological properties of essential oils. Both compound 1 and its synthetic enantiomer 2 showed potent and selective immunosuppressive activity. Files are available under licenses specified on their description page. Promotion and utilization of plantation grown timber. Jul 14, 2019 khaya ivorensis pdf the tree is widely exploited for its very valuable timber, which is traded internationally, and plantations have been established in several countries. General information about khaya ivorensis khaiv eppo global database.
Usually sold as either quartered or flat sawn grain. Restoration of degraded dry semideciduous forest ecosystems. Meliaceae african mahogany benin mahogany senegal mahogany other common names. The species were khaya anthotheca ka, khaya ivorensis ki, khaya grandifoliola. Khaya ivorensis is the preferred specie for veneer and lumber. Natural resistance of plantation grown african mahogany khaya ivorensis and khaya senegalensis from brazil to. Antifungal activity of limonoids from khaya ivorensis. Interlocked grain is difficult to surface without tearing. It is threatened by habitat loss khaya ivorensis is a species in the african mahogany family. Department of biosciences, university of helsinki, po box 65, fi00014 university of helsinki, finland, email. Six new limonoids, ivorenoids af 16, along with ten known analogues, were isolated from an ethanolic extract of the stems of khaya ivorensis.
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