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. A high. Identity. Top of page. Preferred Scientific Name. Khaya ivorensis A. Chev. Preferred Common Name. African mahogany. International Common. Khaya ivorensis is distributed from Côte d’Ivoire east to Cameroon and south to Cabinda (Angola); it possibly also occurs in Guinea, Liberia.

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The ivotensis peels and slices well, producing an excellent quality of veneer. Smoke from the wood showed good results in tests of smoking fish, protecting the fish effectively against fungi. The oil can be used as an additive in liquid soaps, and may act as an antibacterial and antifungal agent because of the presence of limonoids such as methylangolensate.

In Gabon 4-month-old seedlings have been planted after clear-cutting of the forest, and in other sites after removal of the forest undergrowth and thinning of the upper canopy.

The bitter-tasting bark is widely used in traditional medicine. The wood is moderately durable and can be susceptible to termite and pinhole borer attacks.

The wood of makore Tieghemella is similar, but more durable. Khaya ivorensis khayq most abundant in evergreen forest, but can also be found in moist semi-deciduous forest, in areas with — mm annual rainfall and a dry season of 2—3 months, up to m altitude.

Silvicultural techniques such as overhead shading of saplings, mixed planting and removal of lateral shoots can reduce damage by shoot borers. In recent years, the United States market has dominated the international trade in Khaya timber, especially as a substitute for American mahogany from Swieteniathe availability of uvorensis has declined considerably.

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Khaya ivorensis – Wikipedia

It grows in groups or singly. The wood holds nails and screws well and glues satisfactorily. Khaya ivorensis is a species in the African mahogany family. It has thick and reddish brown bark. The boles float in water and thus can be transported by river. Extensive biosystematic studies on Khaya are recommended, covering the whole range of the genus and also considering the iivorensis requirements.

In moist evergreen forest Khaya ivorensis can be found flowering and fruiting throughout the year and bearing flowers and fruits at the same time; usually flowering is seasonal, in West Africa being most abundant in June—October. Tests in rats showed that the bark has dose-dependent anti-inflammatory activity and that khzya is toxic only at high doses. Accessed 13 November This page was last edited on 29 Marchivorenwis Khaya comprises 4 species in mainland Africa and 1 or 2 endemic to the Comoros and Madagascar.

The rates of shrinkage are moderate, from green to oven dry 2. The wood is in demand for making backs or sides of acoustic guitars as it is considered to have good acoustical characteristics. The wood is suitable for paper production, and even peeler cores, often regarded as waste, are suitable for pulp production.

Bark extracts showed weak antitrypanosomal and antiplasmodial activities in tests with mice.

Some find that when mixed with black peppercorns it can beused to treat diarrhea and dysentery. The seeds are used in soap production.

Average heights were The seeds are best sown in seed beds in the nursery. In Brazil Khaya ivorensis is used for reforestation because of its resistance to Hypsipyla grandellathe major pest of Brazilian mahogany.

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Please help to improve this article by introducing more precise citations. In a year-old plantation in Malaysia, trees had an average height of Seeds can germinate in full sun as well as in the shade, but natural regeneration is apparently sparse in large gaps.

Khaya ivorensis

The tree’s bark is bitter and can be used as a natural remedy for coughs and whooping cough. Fruits mature in about 6 months. More extensive establishment of plantations of Khaya ivorensis is certainly desirable in tropical Africa, but Hypsipyla attack is iivorensis serious drawback.

Extensive lateral growth starts when the upper canopy of the forest has been reached. Trees of 30 years old may produce fruits and seeds abundantly.

In tropical Africa Khaya ivorensis has been planted successfully in mixed plantations, e. Roberty and Triplochiton scleroxylon K. Germination is rather slow, taking 11—40 ivoreensis. It is mostly found in West Africa and southern Nigeria.

Trees are sometimes leafless for a short period at the beginning of the dry season. More research is needed on appropriate management systems in natural forest to ensure a sustainable exploitation. They are susceptible to attack by longhorn beetles and should be processed not too long after felling.

It prefers alluvial soils which are moist but well-drained, but it can also be found on slopes on lateritic soils.