Non-food genetic improvement projects began to be applied to the pulp and paper industry. A recent article in "Economist" details the progress made in non-food genetic improvement projects for pulp and paper projects. The report mentioned research conducted by researchers in New Zealand and Chile on insect-resistant pine trees and Southeast Asian fast-growing oak used by Oji Paper Co. The company introduced the genes of carrots into trees so that they could grow in acidic soils. According to the report, the genetic improvement project can also achieve further development. The trees contain not only the cellulose that papermakers want, but also the natural lignin that papermaking does not require. Because the separation of cellulose from lignin is a costly task, it would be a pleasure for papermakers to develop a tree species with a low natural lignin content. Researchers at North Carolina State University have achieved this goal. They have cultivated improved poplar trees with a natural lignin content that is only half that of ordinary poplars. The study also found that this improved poplar tree also has the advantage of rapid growth. In addition, the application of genetic improvement in starch has also made some progress. Potato starch includes both amylopectin required for papermaking and amylose that are not required for papermaking. The AVEBE company in the Netherlands has developed a genetically modified potato which contains a relatively large amount of amylopectin and a relatively small amount of amylose. However, this genetically modified potato is restricted by the EU and is not allowed to enter the market. AVEBE is currently developing a new generation of products, but it will take several years for it to enter the market. A subsidiary of the German chemical giant BASF in Sweden has also developed a genetically modified potato with a high amylopectin content. However, as the report says, although a variety of genetic improvement technologies are required in the paper industry, it will take at least 10 years for the genetically modified tree species and crops to be commercially available. However, this is all going on.
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