[1]王亚菲,梁继业,左忠,等.锂对两个品种枸杞种子发芽和幼苗生长的影响[J].北方园艺,2023,(03):105-110.[doi:10.11937/bfyy.20221813]
　WANG Yafei,LIANG Jiye,ZUO Zhong,et al.Effects of Lithium on Seed Germination and Seedling Growth of Two Species of Lycium barbarum[J].Northern Horticulture,2023,(03):105-110.[doi:10.11937/bfyy.20221813]

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锂对两个品种枸杞种子发芽和幼苗生长的影响

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 期数: 2023年03 页码: 105-110 栏目: 出版日期: 2023-02-15

Title:: Effects of Lithium on Seed Germination and Seedling Growth of Two Species of Lycium barbarum

作者:: 王亚菲1; 2; 梁继业1; 2; 左忠3; 姜黎4; （1.塔里木大学园林与林学学院，新疆阿拉尔 843300；2.新疆生产建设兵团塔里木盆地生物资源保护利用重点实验室，新疆阿拉尔 843300；3.宁夏农林科学院荒漠化治理研究所，甘肃银川 750002；4.中国科学院新疆生态与地理研究所荒漠与绿洲生态国家重点实验室，新疆乌鲁木齐 830011）

Author(s):: WANG Yafei1; 2; LIANG Jiye1; 2; ZUO Zhong3; JIANG Li4; (1.College of Horticulture and Forestry,Tarim University,Alar,Xinjiang 843300；2.Key Laboratory of Tarim Basin Biological Resources Protection and Utilization,Xinjiang Production and Construction Corps,Aalar,Xinjiang 843300；3.Institute of Desertification Control,Ningxia Academy of Agricultural and Forestry Sciences,Yinchuan,Gansu 750002；4.State Key Laboratory of Desert and Oasis Ecology,Xinjiang Institute of Ecology and Geography,Chinese Academy of Sciences,Urumqi,Xinjiang 830011)

关键词:: 枸杞; 锂; 幼苗生长; 种子发芽

Keywords:: Lycium barbarum; lithium; seedling growth; seed germination

DOI:: 10.11937/bfyy.20221813

文献标志码:: A

摘要:: 以宁夏2种枸杞为试材，采用培养皿法，研究了锂对枸杞种子发芽与幼苗生长的影响，确立富锂植物枸杞种子发芽时期的耐锂浓度临界值和极限值，以期为枸杞耐锂品种的早期选育提供参考依据。结果表明：随着LiCl增加，枸杞种子的发芽率、发芽指数、根长均呈下降趋势，不同枸杞品种耐锂性表现不同；与对照相比，25 mmol?L-1处理时仅有“宁杞5号”与“宁农杞9号”的发芽率、发芽指数、根长度均显著下降，但促进“宁杞5号”与“宁农杞9号”芽长增加；50 mmol?L-1 LiCl处理时“宁杞5号”芽长仍未显著下降，此时“宁农杞9号”的芽长度并未显著增加；对照相比，浓度在25 mmol?L-1时，它的芽长显著增加，说明了25 mmol?L-1锂促进了“宁杞5号”与“宁农杞9号”的生长；与对照相比，浓度在25 mmol?L-1时，根受到毒害，说明了根受到毒害小于芽的毒害。通过模拟回归曲线，分析“宁杞5号”与“宁农杞9号”种子发芽时期对盐分的临界值和极限值分别为115.10 mmol?L-1和 265.61 mmol?L-1，97.12 mmol?L-1和 257.58 mmol?L-1，不同浓度锂对2个品种种子发芽特性和幼苗生长的抑制程度高低顺序为“宁农杞9号”＜“宁杞5号”。因此，有“宁杞5号”与“宁农杞9号”适合修复含锂量较低的盐渍土。

Abstract:: Two kinds of L.barbarum in Ningxia was used as test materials，the effect of lithium on seed germination and seedling growth of Lycium barbarum was studied by using the petri dish method.The critical value and limit value of lithium tolerance concentration in seed germination of L.barbarum materials were established,in order to provide reference for the early breeding of salt tolerant varieties of L.barbarum.The results showed that the germination rate,germination index and length of L.barbarum seeds decreased with the increase of LiCl,and the salt tolerance of different L.barbarum varieties was different.Compared with the control,only the germination rate,germination index and length of ‘Ningqi No.5’ and ‘Ningnongqi No.9’ decreased significantly,but promoted the increase of embryo length of ‘Ningqi No.5’ and ‘Ningnongqi No.9’.When treated with 50 mmol?L-1 LiCl,the bud length of ‘Ningqi No.5’ did not decrease significantly,but that of ‘Ningnongqi No.9’ did not significantly increase.Compared with the control,when the concentration was 25 mmol?L-1,its bud length increased significantly,indicating that 25 mmol?L-1 LiCl promoted the growth of ‘Ningqi No.5’ and ‘Ningnongqi No.9’.Compared with the control,when the concentration was 25 mmol?L-1,the root was poisoned.The results indicated that the root was less poisoned than the bud the root was less poisoned than the bud.Through the simulated regression curve,it was analyzed that the critical value and limit value of salt in the germination period of ‘Ningqi No.5’ and ‘Ningnongqi No.9’ were 115.10 mmol?L-1 and 265.61 mmol?L-1,97.12 mmol?L-1 and 257.58 mmol?L-1.The order of inhibition degree of different concentrations of lithium on seed germination characteristics and young seedlings growth of the two varieties was as follow,‘Ningnongqi No.9’<‘Ningqi No.5’.Therefore,only ‘Ningqi No.5’ and ‘Ningnongqi No.9’ were suitable for repairing saline soil with low lithium content.

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备注/Memo

第一作者简介：王亚菲（1998-），女，硕士研究生，研究方向为植物生理生态。E-mail：1037456862@qq.com.责任作者：姜黎（1980-），男，博士，副研究员，现主要从事植物生理生态等研究工作。E-mail：jiangli1015@126.com.基金项目：兵团财政科技计划资助项目（2021AB022）；塔里木盆地生物资源保护利用兵团重点实验室开放课题资助项目(BRZD2103)；新疆帕米尔高原生物资源与生态重点实验室自治区重点实验室开放课题重点资助项目(XJDX1714-2021-02)。收稿日期：2022-08-18

更新日期/Last Update: 2023-02-28