泡桐属于假二叉分枝的植物,其顶芽一般冬天自然死亡,形成主干低矮,弯曲,影响材质。同时泡桐又有向上生长的本性,在其生长过程中,枝干上的不定芽不断发出徒长枝。但由于徒长枝不是处在人们所愿望的位置,仍然达不到理想的干形,为了培育高杆无节泡桐良材,掌握泡桐生物学特性和生长规律,采取各种措施加以因势利导。培育 Paulownia is a bifurcated branch of the plant, the top bud of the general death of the natural winter, the formation of trunk low, curved, affecting the material. At the same time Paulownia has the nature of upward growth, in the process of its growth, adventitious buds on the branches continue to issue leggy branches. However, due to the fact that they are not in the position of people’s desire, they still can not reach the ideal shape. In order to cultivate the excellent material of Paulownia, and grasp the biological characteristics and growth rules of Paulownia, various measures should be taken to make the best use of the situation. Nurture