Each year, the agarwood tree, a sought-after source of medicines and perfumes ... They knew that the plants emit odors as a form of self-defense after being damaged by leaf-eating insects. After ...

Agarwood is the tree’s immune response to the infection ... Even if the tree looks sick from the outside (yellowish leaves, ...

First-grade agarwood can cost as much as $100,000 per kilogram, making it one of the most expensive raw materials in the world. But for this tree to produce any agarwood, it must first become ...

Scientist Zhang Huarong walks through the forest near his Hong Kong research lab, gesturing towards a rotting incense tree stump. It is one of over a dozen trees illegally cut for the valuable ...

Agarwood, also known as gaharu in Malaysia, is a fragrant dark resinous wood formed in the heart of the tree trunk that is used in the production of incense, perfume and other consumer products.