中药材2024，Vol.47Issue(4)：821-825,5.DOI:10.13863/j.issn1001-4454.2024.04.004
水分胁迫对柳叶白前生长、生理特性及有效成分积累的影响
Effects of Water Stress on Growth,Physiological Characteristics and Accumulation of Effective Components of Cynanchum stauntonii
摘要
Abstract
Objective:To investigate the effects of water stress on the growth,physiology and effective components contents of Cynanchum stauntonii.Methods:A pot experiment was conducted to compare the growth of Cynanchum stauntonii under different soil moisture content.Results:Cynanchum stauntonii had a certain degree of waterlogging tolerance,the root weight per plant was the highest when the soil moisture content was 30%.When the soil moisture content was 50%(flooded)or drought state,the in rhizomes growth of was significantly inhibited.The contents of endogenous hormones IAA,ABA,GA3 in rhizomes and chlorophyll in leaves were significant-ly higher than CK group when the soil moisture content was 30%and 40%.Compared with the CK group,the contents of malonalde-hyde,ABA and the activities of protective enzymes SOD,POD and CAT in rhizomes were significantly increased,the contents of endoge-nous hormones IAA and GA3 in rhizomes were significantly decreased,the ratio of chlorophyll a/b was significantly increased under drought and flooded conditions.The contents of total steroidal saponins in rhizomes were the highest in the flooded state and the lowest in drought state.Conclusion:The soil with a moisture level at 30%is the most suitable to plant growth of Cynanchum stauntonii.关键词
柳叶白前/土壤水分含量/生长指标/生理特性/总甾体皂苷Key words
Cynanchum stauntonii(Decne.)Schltr.ex Lévl./Soil moisture content/Growth index/Physiological characteristics/Total steroidal saponins分类
中医学引用本文复制引用
陈艳清,陈法志,刘金平,易沭远,王湛昌..水分胁迫对柳叶白前生长、生理特性及有效成分积累的影响[J].中药材,2024,47(4):821-825,5.基金项目
中央引导地方科技专项(2022BGE228) （2022BGE228）
