中国农业大学学报2024，Vol.29Issue(10)：151-160,10.DOI:10.11841/j.issn.1007-4333.2024.10.13
不同光质对岩黄连生长发育、细胞结构及有效成分含量的影响
The effects of different light qualities on the growth and development,cell structure and active ingredient content of Corydalis saxicola Bunting
摘要
Abstract
To study the effects of different light qualities on the growth,development,cellular structure,and accumulation of active components in Corydalis saxicola Bunting in a plant factory,the C.saxicola seedlings were used as the experimental material and 8 treatment were designed using white,red(R),and blue(B)LED light sources.White light(control),Blue light(E1),R∶B ratio of 2∶1(E2),R∶B ratio of 4∶1(E3),R∶B ratio of 6∶1(E4),R:B ratio of 8∶1(E5),R∶B ratio of 10:1(E6),Red light(E7).The growth indicators of plants and the content of dehydrocavidine under different treatments were measured and the anatomical structure of the leaves were observed.The results showed that:The increase in red light ratio had a significant impact on plant growth and component content.While E3 treatment significant increased the number of petioles,the diameter of the main root,and the aboveground dry weight;group E4 can optimize the root-to-shoot ratio;while pure red light promoted the growth of plant height and main root length.The content of chlorophyll a was higher in E5 treatment with high proportion of blue light and red light;group E2 had an advantage in the content of chlorophyll b,total chlorophyll,and carotenoids.At group E4,the content of Corydalis alkaloids in the root exceeded that in the aboveground part;the total alkaloid content in groups E3,E5,and E7 increased.Observations of tissue structure showed that an increase in the proportion of red light led to differences in plant tissue structure:group E2 had a significant palisade tissue;groups E3 and E7 had orderly differentiated palisade cells;groups E4 and E5 had disordered cell arrangement and loose mesophyll;group E6 had shrunken epidermal cells,loose and thickened spongy tissue,and unclear palisade tissue differentiation.In summary,light quality regulation has a significant regulation on the growth and development and secondary metabolites accumulation of C.saxicola.关键词
岩黄连/LED光质/生长指标/岩黄连碱/石蜡切片Key words
Corydalis saxicola Bunting/LED light quality/growth indicators/dehydrocavidine/paraffin sections分类
农业科技引用本文复制引用
黄丽容,李翠,唐春风,黄燕芬,张占江,郭晓云..不同光质对岩黄连生长发育、细胞结构及有效成分含量的影响[J].中国农业大学学报,2024,29(10):151-160,10.基金项目
广西重点研发计划项目(桂科AB23026092) （桂科AB23026092）
广西自然科学基金面上项目(2023GXNSFAA026509,2020GXNSFAA159151) （2023GXNSFAA026509,2020GXNSFAA159151）
广西中医药管理局广西特色药材关键技术研究推广项目(GZKJ2314) （GZKJ2314）
广西中医药适宜技术开发与推广项目(GZSY22-02) （GZSY22-02）
广西药用资源保护与遗传改良重点实验室项目(KL2022ZZ04,KL2023ZZ09,KL2023KFO4) （KL2022ZZ04,KL2023ZZ09,KL2023KFO4）
广西中药材品质创新研究团队项目(GZKJ2305) （GZKJ2305）
