【摘要】 为了解决当前我国大规模城乡及国土绿化中某些乡土树种及其苗木奇缺的问题,结合济南实际情况,对“第三代绿化树种”资源的发掘利用与意义进行了论述,提出“第三代绿化树种”具有适应性、抗逆性更强的特点,可加快绿化速度、减少人工、降低成本;对目前城市绿化中树种贫乏问题给予一定补充;既有利保护植物多样性又可体现与强化地方乡土特色景观;为进入21世纪我国城乡“大地园林化”、“再造秀美山川”的宏伟蓝图准备丰富的物质基础,并具有潜在的不可估量的巨大经济效益。更多还原

【Abstract】 To solve the problem of lacking of specific plants in the current greening projects in China, the paper expounds the development and application of the third-generation plant resources and their meaning combining with the actual situations in Jinan. It points out that the third-generation plants have the good character of wide adaptability and strong vitality, which is helpful to increase the greening speed, lower maintenance and management work and cut the cost. These plants can also solve the problem of lacking of plants in city greenings, and help to protect the plant diversity and strengthen local characters.更多还原