It is said that these poplar trees, a product of gene transfer, grow from 3 to 5 centimeters per day on average. In a year they can grow 6 to 7 meters, and become towering giants within only two or three years.
據說，此種基因轉殖楊樹平均每天成長三到五公分，一年可以長到六、七公尺，兩三年就可成參天巨木。