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ENTANDROPHRAGMA UTILE PDF

Entandrophragma utile is a deciduous Tree growing to 45 m (ft) by 30 m (98ft) at a slow rate. It is hardy to zone (UK) The plant is not self-fertile. Suitable. Entandrophragma utile in the Germplasm Resources Information Network (GRIN) , U.S. Department of Agriculture Agricultural Research Service. BOTANIC DESCRIPTION. Entandrophragma utile is a large tree up to 60 m and more in height, with a DBH of more than cm. Crown regular with few.

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In Ghana, seedlings reached only up to 1 metre tall after 4 years, in silviculturally treated forest up to 1. It is sometimes termed under the generic label of mahoganyand while Entandrophragma is part of the Meliaceae family, it is not classified as genuine mahogany.

In Gabon Entandrophragma utile is uncommon, in most regions even rare. Prospects The low growth rates under entandropragma conditions, the long time needed to reach maturity in terms of fruit production and poor dispersal ability of the seed seem to be serious drawbacks for sustainable management entanfrophragma Entandrophragma utile populations, making very long rotation cycles inevitable.

In one set of animals, cimetidine in saline was simultaneously perfused intragastrically for 2 h at the rate of 2. Help us share the wonders of the natural world.

Useful trees and shrubs for Uganda: It cannot grow in the entandrophragmx. Citation in scholarly articles.

It air dries rather slowly, and may be liable to splitting and distortion. Gastric acidity was deduced from titre values. Entandrophragma utile is an important timber species entandeophragma Ghana for export. It belongs to the tribe Swietenieae and is related to LovoaKhaya and Pseudocedrela.

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The grain is slightly interlocked, texture moderately fine.

Seeds 8—11 cm long including the large apical wing, medium to dark brown. The wood is moderately heavy; soft to moderately hard; moderately durable, being moderately resistant to powder-post beetle, pinhole borer, termite and marine borer attacks.

Germination utiel 13—19 days after sowing. The seedlings are physiologically well adapted to heavy shade and make efficient use of low light intensities – they usually die when growing under full light conditions[ ].

Properties The heartwood is reddish brown to purplish brown, and distinctly demarcated from the pinkish white to pale brown, up to 6 cm wide sapwood.

The wood kiln dries satisfactorily, but material with much interlocked grain may give difficulties.

Protabase Record

Fruit valves are used as spoons. The commercial interest in the valuable timber of Entandrophragma entandrophrsgma has resulted in extraction of large individuals from the forest in many regions, e. The heartwood is reddish brown to purplish brown with moir?

The wood saws and works fairly easily with both hand and machine tools, with only slight blunting effects on cutting edges.

The rates of shrinkage are medium, from green to oven dry 2. In some regions it has even become near to extinction, e.

Damage to seedlings due to Hypsipyla robusta shoot borer attack may be high in other countries as well. Shimane University, Matsue, Japan, pp. Flowers unisexual, regular, 5-merous; pedicel 2—3 mm long; calyx cup-shaped, shortly lobed, 0. Other botanical information Entandrophragma comprises about 10 species and is confined to tropical Africa.

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The useful plants of West Tropical Africa. Entandrophragma utile does not seem to be a logical choice for planting in agroforestry systems because its early growth is too slow. Utipe fruit valves have been used as spoons.

Only tuile or links that are felt to be directly relevant to a plant will be included. Presently, sipo is still an important export timber, mainly from the Central African Republic and Congo.

Entandrophragma utile

Under nursery conditions, however, seedlings can reach 40 cm tall in 6 months and 75 cm in one year[ ]. In some regions it has even become near to extinction, e.

Part 1 — Africa.

Gasson Growth and development Young seedlings grow slowly; root development takes considerable time. Overhead shade promotes the survival of young seedlings, which are liable to mite and insect attacks in full sunlight.

Quarter-sawn surfaces are irregularly striped.

Utile | The Wood Database – Lumber Identification (Hardwood)

A tendency of charring is present in drilling operations. In Ghana seedlings reached only up to 1 m tall after 4 years, in silviculturally treated forest up to 1. In Nigeria the bark is claimed to heal peptic ulcers.

Repeated soaking of the seeds is reported entandeophragma improve germination. The bole is traditionally used for dug-out canoes[ ]. Under nursery conditions, however, seedlings can reach 40 cm tall in 6 months and 75 cm in one year.