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本文以5种室内常用观叶植物为研究对象,选用Li-6400便携式光合仪测定净光合速率(Pn)、气孔导度(Cond)、胞间CO2浓度(Ci)、蒸腾速率(Tr)等指标,以此为基础,定量评价5种室内观叶植物的生态效益。研究发现5种室内观叶植物平均净光合速率最高为龟背竹(Monstera deliciosa),龟背竹单位叶面积(m2)的日释氧固碳量能力最强,单位叶面积(m2)的日吸热释水量最强为肉桂,即龟背竹固碳释氧能力较强,肉桂的吸热释水能力较好,龟背竹和肉桂的生态效益综合评价较好。
In this paper, we used five kinds of indoor foliage plants as the research object, and measured the net photosynthetic rate (Pn), stomatal conductance (Cond), intercellular CO2 concentration (Ci) and transpiration rate (Tr) using Li-6400 portable photosynthesis system Based on this, the ecological benefits of five indoor foliage plants were quantitatively evaluated. The study found that the highest net photosynthetic rate of the five indoor foliage plants was the highest in the ability of oxygen release and carbon fixation of Monstera deliciosa and the monumental leaf area (m2), while the day of unit leaf area (m2) The strongest endothermic and water-releasing amount is cinnamon, that is, the ability of carbon monoxide releasing and oxygen releasing of Monstrosoma tomentosa is stronger, the ability of endothermic and water-releasing of cinnamon is better, and the comprehensive evaluation of ecological benefits of Monstrosia and Cinnamon is good.