Liu Pengfei, Ma Jiannan, Yu Juan, Zhang Meixi, Qiao E, Cao Yang, Zhang Ying, Wang Xiaoqin, Jia Xin
School of Pharmacy Inner Mongolia Medical University Hohhot China.
Plant Environ Interact. 2025 Feb 16;6(1):e70036. doi: 10.1002/pei3.70036. eCollection 2025 Feb.
Intercropping enhances plant growth, increases yield, and boosts the accumulation of secondary metabolites. (), a traditional Chinese medicinal herb, has limited research available regarding its intercropping practices. We aimed to (1) examine the changes in the physiological and biochemical indicators of plant growth during the intercropping process of , (2) assess the quality of when intercropped with different crops, and (3) evaluate the optimal intercropping mode for This study utilized the two-year seedlings of as the test material in a field study. The intercropping treatments included monoculture (JG-JG), intercropping with (JG-NX), (JG-FF), (JG-SS), (JG-YM), (JG-GZ), and (JG-DD). We investigated the effects of these different intercropping modes on the growth, physiological and biochemical indicators, and the accumulation of five saponins in at various growth and development stages. Compared with JG-JG, the chlorophyll and the MDA contents significantly increased and decreased, respectively, in the JG-YM, JG-DD, and JG-NX treatments. All the three treatments enhanced the biomass and exhibited the higher levels of antioxidant enzyme activity and osmoregulatory substance content. JG-YM and JG-SS significantly ( < 0.05) improved the quality of , with JG-SS intercropping notably maintaining a high content of platycodin D. The results of this study provide a scientific basis for optimizing intercropping planting systems and advancing the sustainable development of the traditional Chinese medicine industry.
间作可促进植物生长、提高产量并增加次生代谢产物的积累。桔梗，一种传统中药材，关于其间作实践的研究有限。我们旨在：（1）研究桔梗间作过程中植物生长的生理生化指标变化；（2）评估桔梗与不同作物间作时的品质；（3）评价桔梗的最佳间作模式。本研究以两年生桔梗苗为试验材料进行田间试验。间作处理包括桔梗单作（JG-JG）、与牛膝间作（JG-NX）、与防风间作（JG-FF）、与丹参间作（JG-SS）、与玉米间作（JG-YM）、与谷子间作（JG-GZ）以及与大豆间作（JG-DD）。我们研究了这些不同间作模式对桔梗在各个生长发育阶段的生长、生理生化指标以及五种皂苷积累的影响。与JG-JG相比，JG-YM、JG-DD和JG-NX处理中叶绿素含量显著增加，丙二醛含量显著降低。这三种处理均增加了生物量，且抗氧化酶活性和渗透调节物质含量较高。JG-YM和JG-SS显著（P＜0.05）提高了桔梗的品质，其中JG-SS间作显著维持了较高的桔梗皂苷D含量。本研究结果为优化间作种植系统和推动中药产业可持续发展提供了科学依据。
