华北农学报 ›› 2006, Vol. 21 ›› Issue (1): 92-95. doi: 10.3321/j.issn:1000-7091.2006.01.021

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利用病原真菌毒素离体筛选茄子抗黄萎病突变体的研究

赵明敏1, 刘正坪2, 霍秀文3   

  1. 1. 长江大学农学院, 湖北荆州 434025;
    2. 北京农学院植科系, 北京 102206;
    3. 内蒙古农业大学农学院, 内蒙古呼和浩特 010019
  • 收稿日期:2005-08-20 出版日期:2006-02-28
  • 通讯作者: 刘正坪
  • 作者简介:赵明敏(1975- ),女,内蒙古巴盟人,讲师,博士,主要从事植物病理学研究。
  • 基金资助:
    内蒙古自然科学基金资助项目(20001303)

Research on in vitro Screening of Resistant Mutants of Eggplant to Verticillium daliae with Fungi Toxin

ZHAO Ming-min1, LIU Zheng-ping2, HUO Xiu-wen3   

  1. 1. College of Agriculture, Yangtze University, Jingzhou 434025, China;
    2. Beijing Agricultural College, Beijing 102206, China;
    3. College of Agriculture, Inner Mongolia Agricultural University, Huhhot 010019, China
  • Received:2005-08-20 Published:2006-02-28

摘要: 以茄子黄萎病菌毒素为选择剂,结合组织培养技术,离体筛选茄子抗黄萎病突变体,开拓一条体细胞抗病育种的新途径。结果表明,以茎段为外植体,在MS+IAA 1mg/kg+NAA 1mg/kg+KT 0.2mg/kg培养基上愈伤组织诱导率最高,下胚轴次之,子叶最差;15%的毒素浓度(v/v)可以作为突变体的筛选压力;逐步提高毒素浓度能够在一定程度上提高愈伤组织对毒素的抗性。

关键词: 茄子黄萎病菌, 毒素, 离体筛选, 抗病突变体

Abstract: in vitro screening of resistant mutants of eggplant to Verticillium daliae was studied with Verticillium daliae toxin and tissue culture technology.The induction rate in stem on medium of MS medium+IAA 1mg/kg+NAA 1mg/kg+KT 0.2mg/kg was higher than that of in hypocotyl and cotyledons.The toxin concentration of 15% was considered as the selection pressure of resistant mutants of eggplant to Verticillium dahliae.The resistance of callus to Verticillium dahliae toxin could be improved by increasing the concentration gradually.

Key words: Verticillium daliae, Toxin, In vitro screening, Resistant mutant

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引用本文

赵明敏, 刘正坪, 霍秀文. 利用病原真菌毒素离体筛选茄子抗黄萎病突变体的研究[J]. 华北农学报, 2006, 21(1): 92-95. doi: 10.3321/j.issn:1000-7091.2006.01.021.

ZHAO Ming-min, LIU Zheng-ping, HUO Xiu-wen. Research on in vitro Screening of Resistant Mutants of Eggplant to Verticillium daliae with Fungi Toxin[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2006, 21(1): 92-95. doi: 10.3321/j.issn:1000-7091.2006.01.021.

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