植物的引种驯化是一门具有多学科知识的科学,也是一项耗费心血的工作。河南郑州航空工业管理学院园林工程师张家勋,十几年来,历经艰难险阻,深入山区老林考察,获得了大量关于珍稀植物的第一手资料,在非常艰苦简陋的条件下,引种成功珙桐、连香树、秃杉等几十种珍稀植物。尤其是我国的一级重点保护植物珙桐在郑州引种成功,有很高的科学和实用价值,受到了有关专家的高度评价与重视。 Introduction and domestication of plants is a science with multidisciplinary knowledge and a laborious task. Zhang Jiaxun, a landscape engineer at Zhengzhou Institute of Aeronautical Industry Management in Henan Province, over the past more than 10 years, went through difficult and in-depth investigations into the forests in the mountains and obtained a large amount of first-hand information on rare and rare plants. Under very difficult and crude conditions, Trees, Taiwania flousiana dozens of rare plants. In particular, the first grade of our country plant Davidia involucrata introduced in Zhengzhou success, a high scientific and practical value, has been highly valued by experts and attention.