[1]林超,邱黛玉,陈垣,等.党参根际土壤浸提液对其种子萌发和幼苗生长的影响[J].江苏农业学报,2022,38(04):900-906.[doi:doi:10.3969/j.issn.1000-4440.2022.04.005]
　LIN Chao,QIU Dai-yu,CHEN Yuan,et al.Effects of aqueous extracts from rhizosphere soil of Codonopsis pilosula on seed germination and seedling growth[J].,2022,38(04):900-906.[doi:doi:10.3969/j.issn.1000-4440.2022.04.005]
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党参根际土壤浸提液对其种子萌发和幼苗生长的影响()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
38
期数:
2022年04期
页码:
900-906
栏目:
遗传育种·生理生化
出版日期:
2022-08-31

文章信息/Info

Title:
Effects of aqueous extracts from rhizosphere soil of Codonopsis pilosula on seed germination and seedling growth
作者:
林超1; 2; 3; 邱黛玉1; 2; 3; 陈垣1; 2; 3; 沈鹏瑞4; 胡芳弟5
(1.甘肃省干旱生境作物学重点实验室，甘肃兰州730070；2.甘肃农业大学农学院，甘肃兰州730070；3.甘肃省中药材规范化生产技术创新重点实验室，甘肃兰州730070；4.西安利君制药有限责任公司，陕西西安710000；5.兰州大学药学院，甘肃兰州730070)
Author(s):
LIN Chao1; 2; 3; QIU Dai-yu1; 2; 3; CHEN Yuan1; 2; 3; SHEN Peng-rui4; HU Fang-di5
(1.Gansu Provincial Key Laboratory of Aridland Crop Science, Lanzhou 730070, China;2.Agronomy College, Gansu Agricultural University, Lanzhou 730070, China;3.Key Laboratory of Herbal Medicine Standardization Production Technology Innovation, Lanzhou 730070, China;4.Xi′an Lijun Pharmaceutical Co., Ltd., Xi′an 710000, China；5.School of Pharmacy, Lanzhou University, Lanzhou 730070, China)
关键词:
党参; 自毒机制; 生理活性
Keywords:
Codonopsis pilosula; autotoxicity mechanism; physiological activity
分类号:
S567.23+9.01
DOI:
doi:10.3969/j.issn.1000-4440.2022.04.005
文献标志码:
A
摘要:
为探明党参根际土壤浸提液对党参种子萌发和幼苗的自毒机制，通过不同浓度梯度下的不同生长时期党参根际土壤浸提液处理党参种子及幼苗，进行自毒效应分析。结果表明: 在不同浓度处理下，党参种子萌发和幼苗生长均表现出持续抑制的趋势，党参繁殖期根际土壤浸提液母液的自毒综合效应最高，为-0.682，党参幼苗叶片过氧化物酶（POD）、超氧化物歧化酶（SOD）活性在自毒胁迫下随浸提液浓度的升高表现为先升后降，丙二醛（MDA）含量呈持续上升趋势。根际土壤自毒物质分析结果表明共有13种单体化合物可能为自毒物质，其中5-羟甲基糠醛相对含量较高。总之，党参根际土壤浸提液的自毒作用随着浸提液浓度的提高而增强，且表现为繁殖期的自毒效应最强。
Abstract:
In order to explore the autotoxicity mechanism of aqueous extracts from rhizosphere soil of Codonopsis pilosula on seed germination and seedling growth, the seeds and seedlings of C. pilosula were treated with aqueous extracts under different concentrations from rhizosphere soil at different growth stages, and the autotoxicity effect was analyzed. The results showed that the seed germination and seedling growth of C.pilosula were continuously inhibited under different water extract treatments. The autotoxic comprehensive effect of Codonopsis pilosula rhizosphere soil water extract during the breeding period was the highest, which was -0.682. Under autotoxicity stress, the activities of peroxidase (POD) and superoxide dismutase (SOD) in leaves of C.pilosula seedlings increased firstly and then decreased with the increase of extract concentration, while the content of malondialdehyde (MDA) increased continuously. The analysis of autotoxic substances in rhizosphere soil showed that there were 13 kinds of monomers which might be autotoxic substances, and the relative content of 5-hydroxymethylfurfural was higher. In conclusion, the autotoxicity of the aqueous extract from the rhizosphere soil of C. pilosula increased with the increasing concentration of the extracts, and the autotoxicity was the strongest in the breeding period.

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相似文献/References:

[1]马澜,邱黛玉,巫蓉,等.栽培模式对党参根际土壤微生物功能多样性的影响[J].江苏农业学报,2023,(05):1132.[doi:doi:10.3969/j.issn.1000-4440.2023.05.005]
　MA Lan,QIU Dai-yu,WU Rong,et al.Effects of cultivation modes on microbial functional diversity in the rhizosphere soil of Codonopsis pilosula[J].,2023,(04):1132.[doi:doi:10.3969/j.issn.1000-4440.2023.05.005]

备注/Memo

备注/Memo:
收稿日期：2021-09-17基金项目：国家自然科学基金项目（31960395）；国家重点研发计划项目（2018YFC1706301）作者简介：林超(1996-)，女，甘肃陇南人，硕士研究生，主要从事药用植物资源利用研究。(E-mail)2361262172@qq.com通讯作者：邱黛玉，(E-mail)gsqdy@163.com
更新日期/Last Update: 2022-09-06