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Position: Home > Articles > The Rivalrousness of 8 Common Plants Used in Extensive Green Roof Subtropical Plant Science 2018 (1) 59-61

8种轻型屋顶绿化植物种间竞争性研究

作  者：
梁琼芳;雷江丽
单  位：
深圳市中国科学院仙湖植物园/深圳市南亚热带植物多样性重点实验室
关键词：
轻型屋顶绿化;植物;种间竞争
摘  要：
以8种常见的轻型屋顶绿化植物为试材,在不同厚度基质上采用随机混植模式配置,通过观测植物覆盖度和植被景观变化,分析不同植物种间竞争性。结果表明,松叶牡丹Portulaca grandiflora具有较强的侵占性,在构建多植物混植景观中宜慎用;垂盆草Sedum sarmentosum和黄花景天S.mexicanum具有较强竞争力和抗逆性,随着基质层厚度降低覆盖度占比增大;万点星S.acre和凹叶景天S.emarginatum竞争能力次之,在不同厚度基质层中覆盖度占比差异不大;玉吊钟Kalanchoe fedtschenkoi‘Rosy Dawn’、高景天S.kamtschaticum‘ellacombeanum’和棒槌玉莲S.nussbaumerianum匍匐竞争能力弱,适宜做竖向景观营建。综合考虑植被稳定性和建设成本,营建多样性轻型屋顶绿化植物景观选择基质层厚度10 cm为宜。
译  名：
The Rivalrousness of 8 Common Plants Used in Extensive Green Roof
作  者：
LIANG Qiong-fang;LEI Jiang-li;Fairy Lake Botanical Garden,Shenzhen & Chinese Academy of Sciences/Shenzhen Key Lab of Southern Subtropical Plant Diversity;
关键词：
extensive green roof;;plant species;;rivalrousness
摘  要：
Eight species of experimental plants used in extensive green roof were planted randomly on different thickness substrates. The coverage degree of each plant and plantation landscape were investigated in order to analyze the rivalrousness among tested materials. The results showed that Portulaca grandiflora had stronger aggressiveness, and should be carefully used in extensive green roof. S. sarmentosum and S. mexicanum had strong competitiveness and resistance, and their coverage rates were increase with the decrease of substrate thickness. Competiveness of S. acre and S. emarginatum were second, and their coverage rates didn't change much with thickness of substrates change; Kalanchoe fedtschenkoi, S. kamtschaticum ‘ellacombeanum' and S. nussbaumerianum were suitable for vertical landscape construction. Consideration of plantation stability and construction cost, 10 cm substrate thickness was suitable for plantation landscape of extensive green roof.

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