[1]吴丹,宋爱萍,史亚东,等.滁菊’病毒脱除及脱毒苗品质分析[J].南京农业大学学报,2017,40(6):983-992.[doi:10.7685/jnau.201702024]
 WU Dan,SONG Aiping,SHI Yadong,et al.Virus elimination and quality evaluation of virus-free seedlings in Chrysanthemum morifolium ‘Chuju’[J].Journal of Nanjing Agricultural University,2017,40(6):983-992.[doi:10.7685/jnau.201702024]
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滁菊’病毒脱除及脱毒苗品质分析()
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《南京农业大学学报》[ISSN:1000-2030/CN:32-1148/S]

卷:
40卷
期数:
2017年6期
页码:
983-992
栏目:
出版日期:
2017-11-10

文章信息/Info

Title:
Virus elimination and quality evaluation of virus-free seedlings in Chrysanthemum morifolium ‘Chuju’
作者:
吴丹1 宋爱萍1 史亚东2 陈发棣1 房伟民1 陈素梅1 管志勇1
1. 南京农业大学园艺学院/农业部景观设计重点实验室, 江苏 南京 210095;
2. 安徽菊泰滁菊草本科技有限公司, 安徽 滁州 239000
Author(s):
WU Dan1 SONG Aiping1 SHI Yadong2 CHEN Fadi1 FANG Weimin1 CHEN Sumei1 GUAN Zhiyong1
1. College of Horticulture/Laboratory of Landscape Design, Ministry of Agriculture, Nanjing Agricultural University, Nanjing 210095, China;
2. Anhui Jutai Herbal Tea Technology Company, Chuzhou 239000, China
关键词:
‘滁菊’病毒脱除遗传稳定性品质评价
Keywords:
Chrysanthemum morifolium ‘Chuju’virus eliminationgenetic stabilityquality evaluation
分类号:
S682.1
DOI:
10.7685/jnau.201702024
摘要:
[目的] 本文旨在比较3种脱毒方法对‘滁菊’病毒脱除的效果,并对‘滁菊’脱毒苗和非脱毒苗在遗传稳定性、产量和品质等方面的表现进行分析和比较。[方法] 采用电镜观察和巢式PCR两种方法检测‘滁菊’8种(类)病毒;比较茎尖分生组织培养、热处理结合茎尖分生组织培养及病毒唑结合茎尖分生组织培养3种脱毒方法的脱毒率,筛选出确定‘滁菊’病毒脱除的最适方法。采用SRAP分子标记技术检测脱毒苗和非脱毒苗的遗传稳定性,并以总黄酮、绿原酸以及鲜花产量等为检测指标,比较脱毒苗与非脱毒苗的产量品质。[结果] 病毒检测结果表明:侵染‘滁菊’的主要(类)病毒为菊花B病毒(CVB)和菊花矮化类病毒(CSVd)。热处理结合茎尖分生组织培养和病毒唑结合茎尖分生组织培养脱毒效果较单独采用茎尖分生组织培养脱毒效果好且差异显著,当2种(类)病毒CVB和CSVd都脱除时,脱毒率能达到35.21%、36.62%。3种脱毒方式均能保持‘滁菊’的遗传稳定性。采用脱毒‘滁菊’种苗生产,其在单株产量和品质上都显著优于非脱毒苗‘滁菊’,花直径、单株花数、单株产量分别比非脱毒苗高4.5%、21.2%、24.0%。[结论] 茎尖分生组织培养结合热处理或病毒唑处理脱除‘滁菊’病毒效果明显,采用脱毒‘滁菊’种苗生产能有效提高产量和品质。
Abstract:
[Objectives] We compared the effects of three different virus-elimination methods and made analysis and comparison in genetic stability, yield and quality of virus-free and non-virus-free seedlings.[Methods] Eight viruses or viroid infecting ‘Chuju’ were detected by electron microscopy and nested PCR;the effects of three virus-elimination methods were compared:apical meristem culture, thermotherapy combined with meristem culture, and ribavirin combined with meristem culture. We screened out the best method to remove the virus. The genetic stability of virus-free and non-virus-free seedlings was determined by SRAP molecular marker. The virus-free and non-virus-free seedlings were compared with the total flavonoids, chlorogenic acid and the amount of flowers as the detection index.[Results] The results of virus detection showed that the main viruses or viroid were Chrysanthemum virus B (CVB)and Chrysanthemum stunt virus (CSVd). Both methods of thermotherapy combined with meristem culture and ribavirin combined with meristem culture represented a significantly higher effects on virus-elimination than the method of apical meristem culture. When CVB and CSVd were removed, the induction rate reached 35.21%, 36.62%, and all of the three different virus-elimination methods could maintain genetic stability in ‘Chuju’. After using the virus-free ‘Chuju’ seedlings for production, the yield and quality per plant were both significantly better than non-virus-free seedlings, and flower diameter, the number of flowers per plant and yield per plant were 4.5%, 21.2% and 24.0% higher than non-virus-free seedlings, respectively.[Conclusions] The thermotherapy and chemical reagents combined with meristem culture are better than other methods for virus-elimination, and the yield and quality of seedling produced by the virus-free seed could be improved effectively.

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相似文献/References:

[1]陈希,赵爽,史亚东,等.生物有机肥对‘滁菊’连作障碍的影响[J].南京农业大学学报,2015,38(1):50.[doi:10.7685/j.issn.1000-2030.2015.01.008]
 CHEN Xi,ZHAO Shuang,SHI Yadong,et al.Effects of bio-organic fertilizer application on the continuous cropping obstacles of Chrysanthemum morifolium Tzvel.‘Chuju’[J].Journal of Nanjing Agricultural University,2015,38(6):50.[doi:10.7685/j.issn.1000-2030.2015.01.008]

备注/Memo

备注/Memo:
收稿日期:2017-02-21。
基金项目:国家公益性行业(农业)科研专项(201403039);江苏省农业三新工程项目[SXGC(2015)322];中央高校基本科研业务费重大专项(KYTZ201401)
作者简介:吴丹,硕士研究生。
通信作者:管志勇,副教授,主要从事菊花种质资源研究,E-mail:guanzhy@njau.edu.cn。
更新日期/Last Update: 1900-01-01