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园艺学报 ›› 2003, Vol. 30 ›› Issue (1): 87-89.

• 研究报告 • 上一篇    下一篇

甜樱桃茎尖培养及PNRSV的RT-PCR检测

代红艳1;张志宏1;吴禄平1;侯义龙1,2;吕德国1   

  1. (1沈阳农业大学园艺学院, 沈阳110161 ;2大连大学生物工程学院, 大连116622)
  • 收稿日期:2002-03-12 修回日期:2002-07-23 出版日期:2003-02-25 发布日期:2003-02-25

In Vitro Shoot Tip Culture of Sweet Cherry Cultivars and Detection of PNRSVby RT2PCR

Dai Hongyan1;Zhang Zhihong1;Wu Luping1;Hou Yilong1,2;LüDeguo1   

  1. (1College of Horticulture , Shenyang Agricultural University , Shenyang 110161 , China ;2College of Biotechnology , Dalian University,Dalian 116622 , China)
  • Received:2002-03-12 Revised:2002-07-23 Online:2003-02-25 Published:2003-02-25

摘要: 研究了茎尖大小、接种方式、培养基成分、试材基因型对甜樱桃品种茎尖培养的影响。1 年
生成熟枝条上茎尖成苗率为8. 3 %~23. 7 % , 嫩梢上的茎尖成苗率为27. 3 %~37. 5 %。利用RT-PCR 技术对部分甜樱桃试管苗进行了早期病毒鉴定, 筛选出一些不带李坏死环斑病毒(PNRSV) 的甜樱桃试管苗,并证明甜樱桃试管苗微茎尖培养不能有效脱除PNRSV。

关键词: 甜樱桃, 茎尖培养, 病毒, RT-PCR

Abstract: The effects of size of inoculated shoot tip , method of inoculation , medium and genotype on shoot tip culture of sweet cherry ( Prunus avium L. ) cultivars were studied. The rate of shoots forming from tips of one-year-old twigs was low , 8. 3 % to 23. 7 % , while the rate of shoots forming from tips of actively growing shoots was higher , 27. 3 % to 37. 5 %. Prunus necrotic ringspot virus (PNRSV) was detected early in some of sweet cherry plantlets in vitro with RT-PCR technique. Plants free of PNRSV were found. It was proved that PNRSV could not be eliminated effectively from sweet cherry plantlets in vitro by culture of minor shoot tip.

Key words: Sweet cherry, Shoot tip culture, Virus, RT-PCR

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