Eucalyptus

Eucalyptus

Introduction

 

This 100-foot eucalyptus tree is found on coastal areas and sub-coastal ranges from the port in New South Wales north to west of Daintree in Queensland, primarily on flat land and lower slopes, wherever it is the dominant tree of wet forests and on the margins of rainforests.

Eucalyptus could be a common plantation species that is found around the world. although a hybrid species is made to impart and enhance resistance and is marketed as Lyptus is fully grown in Brazil. Eucalyptus is additionally bred with an Indonesian species (Eucalyptus urophylla) to assist increase disease and bug resistance.

This wood is rated as sturdy to very sturdy however sadly, this wood has very poor resistance to the attack of insects and pests. though it is quite immune to the attack of Lyctus borers.

Eucalyptus grandis could be a food plant of paropsine beetles of the family Chrysomelidae and Christmas beetles, the latter typically defoliated trees of Australia's East Coast. Clones of Eucalyptus grandis are chosen and bred to create the wood unfit for consumption by the brown Christmas beetle ( Anoplognathus chloropyrus ) to reduce injury to plantations.

Other insect pests embrace the steel blue sawfly (Perga dorsalis) and also the leaf blister sawfly ( Phylacteophaga froggatti ), each of which like young trees rather than the older ones.

Apart from the quality health risks related to any kind of exotic wood dust, no more health reactions or aversions are related to the Eucalyptus, although many different species within the Eucalyptus genus are reportable to cause numerous aversions.

This species of Eucalyptus is not listed in the CITES Appendices or on the IUCN Red List of vulnerable species. though another species of eucalyptus are vulnerable and are endangered.

 

Specifications

 

Common Name(s)

The Eucalyptus is additionally known by Key Bahir zaf in Amharic, in English by rose gum, flooded gum, red gum, eucalyptus tree, and in luganda, it's familiar by kalitunsi, Eucalipto branco.

 

Scientific Name

Eucalyptus grandis

 

Distribution

This Eucalyptus species is native to eastern Australia and is additionally grown on plantations worldwide. it is found on coastal areas and sub-coastal ranges from the port in New South Wales north to west of Daintree in Queensland, primarily on flat land and lower slopes, wherever it's the dominant tree of wet forests and on the margins of rainforests.

 

Tree Size

This tree will mature to a height of 100-165 feet (30-50 m) tall with a trunk diameter of 4-7 feet (1.2-2 m).

 

Average Dried Weight

The average dried weight of this wood is forty lbs/ft3 (640 kg/m3).

 

Color and appearance

The color of the heartwood of this wood ranges from pink to reddish-brown. It additionally has Paler sapwood that is usually not clearly differentiated from the heartwood. once it is clearly demarcated, it is of a 2 - 5cm wide band of a lot of paler sapwood. The wood is usually immune to Lyctus borers. The heartwood is immune to impregnation with preservatives, the sapwood is permeable.

 

Grain and Texture

Usually straight-grained or shallowly interlocked, with the same medium to coarse texture. This wood is less complicated to figure with if the wood is straight-grained. though care should be taken if the wood has interlocked grain patterns because it might cause tear out. Diffuse-porous; completely solitary; giant to terribly giant pores in no specific arrangement, few to terribly few; tyloses present; parenchyma vasicentric, confluent; slim rays, spacing fairly shut.

 

Workability

This wood is fairly simple to figure with each hand and machine tools, although Eucalyptus experiences an oversized quantity of shrinkage once drying, and a comparatively great deal of movement in service. This wood does have low blunting effects on machines and tools. This wood responds to glue, stains, and finishes fairly well. The wood works well with machine and hand tools, however, the surface is also woolly, and therefore the wood contains a tendency to splinter. It saws cleanly, planes excellently and takes all types of finishes and stains well. Nail and screw holding properties are smart, however, the wood tends to split on nailing unless pre-bored. The gluing properties are smart. it's somewhat tough to dry, however checking is often avoided by careful management of the conditions throughout the first stages of drying. The wood is sometimes not stable in commission.

 

Odor

This wood does not emit any characteristic odor harvesting, gathering or while operating with this wood.

 

Availability

Eucalyptus wood is sometimes exported to North America. it is obtainable in smart sizes and lengths in board kind. costs are moderate for a foreign exotic hardwood. This species of Eucalyptus is not listed within the CITES Appendices or on the IUCN Red List of threatened species. though another species of eucalyptus are vulnerable and are endangered.

 

Common Uses

The eucalypt could be a tree of the many uses. Not solely valued for its wood, however, this tree is additionally found to own several medicinal properties to fight against constipation and is claimed to own anticarcinogenic properties. It is additionally used as a decorative tree in parks and farms. It is also used in agroforestry and is employed to plant aboard trees and crops to extend the yield. it is a good supply of nectar. It is employed in industries too. This wood is commonly used for flooring, millwork, furniture, and boatbuilding, fence posts, building, transmission, telephone poles, boxes, and hooks. The tree is too large for most gardens, but makes an attractive tree for large parks and farms, and can be used in riverbank stabilization. Eucalyptus is an attractive, straight-trunked tree much in demand outside Australia for timber and pulp, and extensive plantations exist in South Africa and Brazil.

Eucalyptus grandis is an important source of pulp for the production of printing, writing, specialty, and tissue papers. It is planted as an ornamental and shade tree, and in windbreaks. It is also useful as a bee forage.

The decoction of ground branch tips is taken against constipation.

Euglobals from the leaves have shown anti-carcinogenic activity and inhibitory effects on Epstein Barr virus activation trees planted in windbreaks.

Soya beans (Glycine max), interplanted with this tree as part of an agroforestry research project in southeastern Brazil, suppressed weeds without adversely affecting tree survival and growth. Maize and sorghum have also been found compatible to grow with this plant.

When planted adjacent to avocado orchards, it reduces the yields by shading and competing unfavorably with the avocados for light, nutrients, and water.

The flowers are a good source of nectar and pollen for bees. Large quantities of wood are used for charcoal, for iron smelting, for example in Brazil. The firewood is used for domestic purposes and for curing tobacco. The wood has an energy value of 18,100 - 19,400 kJ/kg.

 

Reference

https://en.wikipedia.org/wiki/Eucalyptus_grandis

http://tropical.theferns.info/viewtropical.php?id=Eucalyptus+grandis

https://pfaf.org/user/Plant.aspx?LatinName=Eucalyptus+grandis

https://pfaf.org/user/Plant.aspx?LatinName=Eucalyptus+grandis

 

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