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当前位置: 首页 > 文章 > 不同季节红叶桃、紫叶李的光合特性研究 园艺学报 2006,33 (3) 577-582
Position: Home > Articles > Study on the Photosynthetic Characteristics of Red-leaf Peach and Purple-leaf Plum in Different Seasons Acta Horticulturae Sinica 2006,33 (3) 577-582

不同季节红叶桃、紫叶李的光合特性研究

作  者：
姜卫兵;庄猛;沈志军;宋宏峰;曹晶;李刚
单  位：
南京农业大学园艺学院;江苏省农业科学院园艺研究所
关键词：
桃;李;观叶树木;季节;光合特性
摘  要：
以绿叶桃和绿叶李品种为对照,研究了田间条件下不同季节红叶桃、紫叶李的光合特性。结果表明:(1)红叶桃、紫叶李的净光合速率(Pn)在春、夏季低于绿叶品种,而秋季较为接近,彩叶品种与绿叶品种间的差异随季节进程不断减小;(2)红叶桃、紫叶李的表观量子效率(AQY)和羧化效率(CE)在春、夏季均显著低于对应的绿叶品种,秋季时红叶桃和紫叶李的表观量子效率高于绿叶品种,羧化效率与绿叶品种接近;(3)红叶桃、紫叶李的光补偿点(LCP)在春季和夏季显著高于绿叶品种,秋季时则显著低于绿叶品种,光饱和点(LSP)始终高于或接近于绿叶品种;(4)红叶桃、紫叶李的光合色素含量与绿叶品种差异较小,但其花色素苷含量始终比绿叶品种高许多;(5)红叶桃、紫叶李光呼吸(Rp)均低于绿叶桃和绿叶李。
译  名：
Study on the Photosynthetic Characteristics of Red-leaf Peach and Purple-leaf Plum in Different Seasons
作  者：
Jiang Weibing~1,Zhuang Meng~1,Shen Zhijun~2,Song Hongfeng~2,Cao Jing~1,and Li Gang~1 ( ~1 College of Horticulture,Nanjing Agriculture University,Nanjing, Jiangsu 210095,China; ~2Institute of Horticulture, Jiangsu Academy of Agricultural Sciences, Nanjing, Jiangsu 210014, China)
关键词：
Peach; Plum; Tree of ornamental leaf; Season; Photosynthetic characters
摘  要：
The photosynthetic characteristics of red-leaf peach and purple-leaf plum were studied with the green-leaf peach and green-leaf plum varieties as control in field in different seasons. The result showed that: (1) The Pn of red-leaf peach and purple-leaf plum was significantly lower than that of green-leaf peach and green-leaf plum in spring and summer without significant difference in autumn, and the difference between two species was gradually reduced from spring to autumn; (2) Apparent quantum yield (AQY) and carboxylation efficiency (CE) of red-leaf peach and purple-leaf plum were significantly lower than that of green-leaf peach and green-leaf plum in spring and summer. The AQY of red-leaf peach and purple-leaf plum was higher than that of green-leaf cultivars, and CE was similar between two species in autumn.;(3) Light compensation point (LCP) of red-leaf peach and purple-leaf plum was significantly higher than that of green-leaf cultivars in spring and summer, but significantly lower than that in autumn. Light saturation point (LSP) of red-leaf peach and purple-leaf plum were always higher than that of green-leaf cultivars or similar to them; (4) The content of photosynthetic pigment was not significantly different between the red-leaf peach and green-leaf peach, but the content of anthocyanin of the red-leaf peach and the purple-leaf plum was always higher than that in green-leaf cultivars;(5) Photo respiration (Rp) of red-leaf peach and purple-leaf plum was significantly lower than opposite green-leaf cultivars as control.

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