不同色系乌桕呈色期色素含量变化规律  

Change Rule of Pigment Content in Different Color Systems of Sapium sebiferum in Color Stage

作　　者：贺蕾 黄兴召[2] 傅松玲[2] 韩文妍[1] 程明伟[1] 骆绪美 HE Lei;HUANG Xingzhao;FU Songling;HAN Wenyan;CHENG Mingwei;LUO Xumei(Anhui Academy of Forestry,Hefei 230088;School of Forestry and Landscape Architecture,Anhui Agricultural University,Hefei 230036)

机构地区：[1]安徽省林业科学研究院,合肥230088 [2]安徽农业大学林学与园林学院,合肥230036

出　　处：《农学学报》2025年第1期45-50,共6页Journal of Agriculture

基　　金：大别山等革命老区及皖北地区乡村振兴专项“彩叶苗木繁育技术集成与示范”(202103b06020016);佳祺农业-安徽农业大学彩叶林技术服务合同(aauhx-20210042)。

摘　　要：研究乌桕叶片的呈色机理,以期为其园林应用提供理论基础。在乌桕变色期内,定期对其红、黄、紫不同色系不同时期叶片的叶绿素、类胡萝卜素、花色素苷等生理指标进行测定,对不同色系色素含量的变化趋势进行比较,对各色素含量与温度变化的相关性进行分析。结果表明,红、黄、紫色系乌桕叶绿素a、叶绿素b、类胡萝卜素含量变化均呈下降趋势,紫色系叶绿素a、叶绿素b、类胡萝卜素均高于其他色系。低温对黄色系花色素苷的形成影响不大,但会加速紫、红色系花色素苷的形成,其含量的升高有利于紫、红色系叶色呈现。可溶性糖虽然不直接影响乌桕叶色的变化,但可以通过影响叶绿素等与叶色相关的参数含量变化间接调节叶色的表现结果。The study aims to provide a theoretical basis for the study of the coloration mechanism of Sapium sebiferum and its configuration in garden applications.During the color-changing period of S.sebiferum leaves,physiological indexes such as chlorophyll,carotenoid and anthocyanin in different color systems of red,yellow and purple were measured regularly,the changing trend of pigment content in different color systems was compared,and the correlation between each pigment content and temperature change was analyzed.The results showed that the contents of chlorophyll a and chlorophyll b in red,yellow and purple S.sebiferum showed a decreasing trend,and the contents of chlorophyll a,chlorophyll b and carotenoid in purple were higher than those in other colors.Low temperature had little effect on the formation of yellow anthocyanins,but accelerated the formation of purple and red anthocyanins,and the increase of its content was conducive to the color of purple and red S.sebiferum leaves.Although soluble sugar did not directly affect the change of leaf color,it could indirectly regulate the change of leaf color parameters such as chlorophyll.

关 键 词：乌桕 彩叶植物 花色素苷 生理指标 呈色机理 叶绿素 类胡萝卜素 温度相关性 可溶性糖 

分 类 号：S687.1[农业科学—观赏园艺]