近年来,我国育种科研人员不断培育出一些红叶乔木树种,如红叶椿、红叶杨、红叶合欢、红叶白蜡等,在苗木从业者中掀起了一阵“红叶风暴”。但是园林绿化中,红叶乔木应用并不多,与同期出现的太阳李、金叶槐等彩叶树种相比,应用量差距悬殊。红叶椿在2002年推向市场,特点是春天叶片紫红色,入夏老叶转为暗绿色,新生叶片则仍为紫红色,直至深秋。刚在市场推广时,设计人员曾去苗圃参观考察,但10多年来,园林应用并不 In recent years, breeders in our country have continuously cultivated some tree species of red leaf, such as red leaf, poplar, acacia and red leaf wax, which set off a burst of “red leaf storm” among seedling practitioners. However, in the afforestation, the use of red leaf trees is not much, and the same period, the sun Li, Jin Ye Hua and other color than the color of trees, the application of a large disparity. Hongye Chun introduced to the market in 2002, characterized by the spring leaves purple, into the old leaves into dark green, new leaves are still purple, until late autumn. Just in marketing, designers have to visit the nursery, but more than 10 years, the garden is not applied