GAO Chuanyou.Research on Dust Retention Capacities and Physiological Properties of Different Typical Green Plants in Nanning City[J].Research of Soil and Water Conservation,2016,23(01):187-192.
南宁市典型园林植物滞尘效应及生理特性研究
- Title:
- Research on Dust Retention Capacities and Physiological Properties of Different Typical Green Plants in Nanning City
- 分类号:
- X173
- 摘要:
- 以南宁市典型园林植物（樟树、桂花、冬青、杜鹃）为试材，连续3 a研究和比较了南宁市典型园林植物滞尘效应及生理特性，并探讨了典型园林植物滞尘量及滞尘能力大小。结果表明：南宁市不同典型植物滞尘效应存在显著差异（p < 0.05），滞尘效应大小依次表现为樟树 > 冬青 > 桂花 > 杜鹃；季节变化对植物的滞尘效应影响显著，春、冬两季滞尘量较大，而夏、秋两季滞尘量较小，相同季节基本表现为樟树 > 冬青 > 桂花 > 杜鹃；南宁市典型园林植物降尘粒径主要分布在2.5～100 μm，叶面降尘中颗粒物粒径集中分布在100 μm以下（占99%以上）；比叶重（x）与叶片滞尘能力（y）之间的幂函数关系最佳（p < 0.001），即比叶重较大的植物滞尘能力则较大；南宁市典型园林植物叶片保护酶（SOD，POD，CAT）和非保护酶（PAL，PPO）活性均表现为樟树 > 冬青 > 桂花 > 杜鹃，与植物滞尘能力变化趋势相一致，叶绿素a、叶绿素b、可溶性蛋白和可溶性糖呈现出一致的变化规律，均表现为樟树 > 冬青 > 桂花 > 杜鹃；相关性分析表明南宁市典型园林植物滞尘量与叶片酶活性基本呈显著或极显著正相关。
- Abstract:
- Taking four typical green plants which were Cinnamomum camphora (L.) presl, Osmanthus fragrans (Thunb.) Lour., Ilex chinensis Sims and Rhododendron simsii Planch. as experimental samples through three years, we inverstigated and compared the dust retention capacities and physiological properties of these typical green plants in Nanning City. The results showed that the dust retention capacities of different typical plants in Nanning existed a significant difference (p < 0.05), which showed the sequence: Cinnamomum camphora (L.) presl > Ilex chinensis Sims > Osmanthus fragrans (Thunb.) Lour. > Rhododendron simsii Planch. Seasonal variation significantly influenced the dust-retention capacity, it was bigger in spring and winter, while it was smaller in summer and autumn, which showed the order: Cinnamomum camphora (L.) presl > Ilex chinensis Sims > Osmanthus fragrans (Thunb.) Lour. > Rhododendron simsii(Planch) in the same season. The dust particle sizes of different typical plants in Nanning mainly ranged from 2.5 μm to 100 μm, of which less than 100 μm accounted for more than 99%. The power function relationship between specific leaf weight (x) and dust detentions (y) was the significant (p < 0.001), it could be seen that the larger specific leaf weight was, the larger dust detention was. The protective enzyme (SOD, POD, CAT), the non-protective enzyme (PAL, PPO) activity, chlorophyll a, chlorophyll b, soluble protein and soluble sugar of different typical plants in Nanning showed the sequence: Cinnamomum camphora (L.) presl > Ilex chinensis Sim s> Osmanthus fragrans (Thunb.) Lour. > Rhododendron simsii(Planch). Correlation analysis showed that the dust retention capacities of different typical plants were significantly or extremely significantly positively related to the leaf enzymatic activities.
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备注/Memo
收稿日期:2015-07-26;改回日期:2015-08-07。
基金项目:广西高等学校科学技术研究资助项目“棕榈科植物园林景观营造及耐寒耐荫性研究”（2013LX183）
作者简介:高传友,男(1984-),河南开封人,硕士,讲师,工程师,主要从事园林植物生态、园林设计研究。E-mail:gao_chuanyou@126.com