吉林农业大学学报2023，Vol.45Issue(6)：709-715,7.DOI:10.13327/j.jjlau.2022.1710
氮素形态对人参氮代谢相关酶活性的影响
Effects of Nitrogen Forms on Enzyme Activities Related to Nitrogen Metabolism in Panax ginseng
摘要
Abstract
Three-year-old potted ginseng was treated with different concentrations of exogenous ni-trate nitrogen and ammonium nitrogen to explore its effects on nitrogen metabolism-related enzyme activities,root biomass and saponin content,hoping to provide a theoretical basis for ginseng nitro-gen fertilizer management.The results showed that when adding 15 and 20 mmol/L exogenous nitro-gen,NR activity of ginseng leaves in nitrate nitrogen treatment was significantly increased compared with the control,while its activity in ammonium nitrogen treatment was significantly decreased com-pared with the control.Nitrate nitrogen treatment was more beneficial to the improvement of GOGAT and GS activities than ammonium nitrogen treatment.Compared with ammonium nitrogen,nitrate ni-trogen was more beneficial to the increase of ginseng root biomass.10 and 15 mmol/L nitrate nitrogen and 20 mmol/L ammonium nitrogen were beneficial to the accumulation of nine saponins,while 20 and 25 mmol/L nitrate and 25 mmol/L ammonium nitrogen were not conducive to the accumulation of the nine saponins.We suggest that attention should be paid to the application of ammonium nitrogen fertilizer in the actual production of ginseng,and priority should be given to nitrate nitrogen fertilizer.关键词
人参/硝态氮/铵态氮/氨代谢/酶活性Key words
Panax ginseng/nitrate nitrogen/ammonium nitrogen/nitrogen metabolism/enzyme activity分类
农业科技引用本文复制引用
巩金壮,焉学倩,陈艳阳,杨平,代鸣涛,许永华..氮素形态对人参氮代谢相关酶活性的影响[J].吉林农业大学学报,2023,45(6):709-715,7.基金项目
国家重点研发计划项目(2017YFC1702101),吉林省重大科技专项(20200504004YY) （2017YFC1702101）
