Agarwood Inoculation

Agarwood Oil Processing

Agar oil is processed from the select chips and powders through distillation with the use of both traditional and modern techniques. Oil is sometimes processed from young trees too. This oil is available as Agar Essential Oil, Agar Attar, Agar Oil and etc.

Big companies that import oil do so only after stringent quality checks. Since there is no synthetic alternative available for agar oil, the demand for natural agar oil will always be high.

Apart from the block or blocks resin agarwood, agarwood oil is another main product agarwood wood. Agarwood pieces not only resin (Content its resin 20% and below) are processed to obtain oil. Agarwood dust that occurred after the distillation process is another product agarwood industry.

Artificial Inoculation

Though a particular breed of agarwood is selected on the basis of its colour, fragrance and harvest time, fungal infection can be expected only in about 40% of the trees. However, artificial fungal inoculation facility is now available, making all the trees yield agarwood.

In commercial agarwood cultivation, it has now become possible to yield agarwood even from 5-6 year old (sometimes even younger) trees by drilling artificial holes in their trunks and infecting them with fungi collected from old agarwood trees. Since it has been established now that this is a profitable operation, many organizations have been doing this by acquiring international patents.


The process of fungal inoculation

About 1-10 cm deep holes are drilled up to the xylem of agarwood trees in specified spots and their trunks are injured. Holes are dug in such a manner that there is enough space for air circulation. Though the size of the holes is immaterial, care should be taken to see that the injury spreads and the holes don't get covered. Pipes made out of Plastic or Natural material can be inserted into these holes to ensure that they remain open. On an average, about 40 – 90 holes are drilled on one tree trunk, at a distance of 5 cm from one another. Once the spread of injury is ascertained, fungi should be released into the tree trunk, forcing the tree to start resin production. Either the fungi collected from old agarwood trees are collected and released into experimental plants or processed difco yeast, sodium bisulfite, ferric chloride, etc., are introduced in place of natural fungi.

Depending on their breed, agarwood can be obtained from 3 – 80-year-old-trees by the process of fungal inoculation. Trees start yielding agarwood 18 – 21 months after the infection has begun. However, many other factors only play a major role in determining the yield of the plant.

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