福建农业学报2025，Vol.40Issue(7)：687-693,7.DOI:10.19303/j.issn.1008-0384.2025.07.006
文心兰不同生育时期及光周期的糖类化合物含量变化
Changes in Sugar Content of Oncidium at Different Growth Stages and Under Various Photoperiods
摘要
Abstract
[Objective]To investigate the changes in sugar content during different growth stages of Oncidium and the influence of photoperiod on these changes.[Methods]The contents of water,soluble sugars[such as sucrose,glucose,fructose,and trehalose-6-phosphate(T6P)],and starch,as well as the activities of enzymes involved in sucrose and starch synthesis,were analyzed in both the pseudobulbs and leaves during the pseudobulb enlargement stage,leaf bud development stage,and flower bud development stage.The influence of photoperiod on the changes in sugar content was also examined.[Results]The contents of water,sugars(mostly sucrose and fructose),and starch in the pseudobulbs were higher than those in the leaves and varied significantly as the leaf and flower buds were developing.Throughout the stages,the pseudobulbs and leaves remained a high activity of sucrose synthase(SS)but low of sucrose phosphate synthase(SPS).The activity of soluble starch synthase(SSS)was higher than that of granule-bound starch synthase(GBSS),but both were relatively high in the expanding pseudobulbs.Photoperiod significantly affected the water and sugar contents and more so in the pseudobulbs than in the leaves.[Conclusion]Affected by photoperiod,the sugars in the oncidium orchid pseudobulbs and leaves experienced dynamic and significant changes throughout the development stages.关键词
文心兰/糖含量/假鳞茎/叶片/光周期Key words
Oncidium/sugar content/pseudobulb/leaf/photoperiod分类
农业科技引用本文复制引用
方能炎,罗远华,樊荣辉,林兵,叶秀仙,黄敏玲,钟淮钦..文心兰不同生育时期及光周期的糖类化合物含量变化[J].福建农业学报,2025,40(7):687-693,7.基金项目
福建省科技计划公益类专项(2023R1096、2019R1031-9) （2023R1096、2019R1031-9）
福建省自然科学基金项目(2020J011371) （2020J011371）
福建省农业科学院科技创新团队建设项目(CXTD2021010-2) （CXTD2021010-2）
福建省农业高质量发展超越"5511"协同创新工程项目(XTCXGC2021016) （XTCXGC2021016）
福建省农业科学院自由探索科技创新项目(ZYTS202405) （ZYTS202405）
国家重点研发计划项目(2023YFD1600505) （2023YFD1600505）
