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当前位置: 首页 > 文章 > 高浓度CO_2对紫星凤梨光合作用和生长发育的影响 园艺学报 2006,33 (5) 1027-1032
Position: Home > Articles > Effect of Elevated CO_2 Concentration on Photosynthesis, Gowth and Deve-lopment of Guzmania‘Luna’ Acta Horticulturae Sinica 2006,33 (5) 1027-1032

高浓度CO_2对紫星凤梨光合作用和生长发育的影响

作  者：
惠俊爱;李永华;李卓;叶庆生
单  位：
华南师范大学生命科学学院广东省植物发育生物工程重点实验室;河南农业大学林学园艺学院
关键词：
凤梨科;紫星凤梨;光合特性;CO2;生长
摘  要：
研究了塑料温室内CO2加富对紫星凤梨叶片净光合速率(Pn)、植株生长、光合酶活性和花期的影响。结果表明:CO2加富提高了紫星凤梨净光合速率,CO2(600±40)μmol·mol-1处理90d时,紫星凤梨叶片的净光合速率比对照增加了26·18%,CO2(900±40)μmol·mol-1处理则增加了43·49%,但CO2加富使叶片的气孔导度与蒸腾速率下降。CO2加富提高了其生长速率,CO2(600±40)μmol·mol-1处理90d时,紫星凤梨叶面积、株高比对照分别增加了15·01%和11·12%,CO2(900±40)μmol·mol-1处理分别增加了18·99%,16·98%。此外,CO2加富促进了紫星凤梨叶片中可溶性糖和淀粉积累,降低了乙醇酸氧化酶活性,提前了紫星凤梨花期。
译  名：
Effect of Elevated CO_2 Concentration on Photosynthesis, Gowth and Deve-lopment of Guzmania‘Luna’
作  者：
Hui Junai~1, Li Yonghua~ 1,2 , Li Zhuo~2, and Ye Qingsheng~ 1* ( ~1College of Life Sciences, Guangdong Key Laboratory of Biotechnology for Plant Development, South China Normal University, Guangzhou,Guangdong 510631, China; ~2College of Forestry and Horticulture, He'nan Agricultural University, Zhengzhou,He'nan 450002, China)
关键词：
Bromeliaceae; Guzmania‘Luna’; Photosynthetic characteristic; CO_2; Growth
摘  要：
The effects of CO_2 enrichment on net photosynthetic rate (Pn), growth, photosynthetic enzyme activity and flowering of Guzmania‘Luna’were studied in plastic greenhouse. The results showed that CO_2 enrichment caused obviously increase in Pn. Pn was increased by 26.18%, 43.49% in treatment of CO_2 (600±40) μmol·mol~ -1 , (900±40) μmol·mol~ -1 as compared with control[CO_2 concentration was (360±30) μmol·mol~ -1 ], respectively, when treated 90 d. Stomata conductance and transpiratory rate of Guzmania‘Luna’ were reduced by CO_2 enrichment. But the leaf area and plant height were increased by 15.01%, 11.12% in treatment of CO_2 (600±40) μmol·mol~ -1 , and 18.99%, 16.98% in CO_2 (900±40) μmol·mol~ -1 when treated for 90 d. In addition, the accumulation of soluble sugar and starch were promoted, but the activity of glycolate oxidase was apparently decreased by CO_2 enrichment, respectively, flowering of Guzmania‘Luna’ was also promoted.

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