The knock-out trees were grown side by ... modified poplar, it was used to produce high-strength compressed wood similar to particle board, which is often used in building furniture.

the researchers were able to grow poplars with 12.8% lower lignin content than wild-type poplar trees. This is comparable to the chemical treatments used in processing engineered wood products. Qi and ...

Researchers genetically modified poplar trees to produce ... used in processing engineered wood products. Qi and his collaborators grew their knock-out trees side by side with unmodified trees ...