| TuMV在心叶烟上的症状反应与苗龄和温度的关系 |
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| 引用本文： | 刘元凯,刘栩平.TuMV在心叶烟上的症状反应与苗龄和温度的关系[J].植物病理学报,1986,16(3):175-178. |
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| 作者姓名： | 刘元凯 刘栩平 |
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| 作者单位： | 黑龙江省农业科学院园艺研究所 |
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| 摘 要： | 在心叶烟(Nicotana glutnosa)上接种芜菁花叶病毒(TuMV)的一个分离物,随接种的苗龄和培养温度不同,出现枯斑的类型和数量不同。3叶期接种,在20℃和25℃条件下培养,全部出现典型系统枯斑。6叶期接种后遮光24小时,培养在30℃下,则全部出现系统轮纹枯斑。3叶或6叶期接种,培养在35℃下,接种后25天内,多数植株出现系统枯环,而无其他类型枯斑。试验反映了不同条件下出现不同枯斑类型的趋势及其演变。从而为利用心叶烟鉴别植物病毒病的毒原种群明确了接种和培养条件,有助于鉴定的准确性。同时也反映出应当寻找其他指示植物代替心叶烟来做TuMV株系鉴定的指示植物。
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THE SEEDLING AGE AND TEMPERATURE IN RELATION TO THE SIMPTOM EXPRESSION OF TUMV INOCULATED ON Nicotiana glutinosa |
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| Liu Yuankai,Liu Xuping.THE SEEDLING AGE AND TEMPERATURE IN RELATION TO THE SIMPTOM EXPRESSION OF TUMV INOCULATED ON Nicotiana glutinosa[J].Acta Phytopathologica Sinica,1986,16(3):175-178. |
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| Authors: | Liu Yuankai Liu Xuping |
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| Institution: | Horticultural Institute, Heilongjiang Academy of Agricultural Sciences |
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| Abstract: | One of the isolates Turnip Mosaic Virus was inoculated on Nicotiana glutinosa.The expression of symptoms was different at various seed-ling ages and culture temperatures.Inoculations made at 3 leaf-stage under temperatures 20℃ and 25℃,all the infected plants showed systemic lesions,while imoculation at 6 leaf-stage under 30℃ and shaded for 24 nours,all the infected plants showed systemic concentric lesions.Inoculation made at 3 or 6 leaf-stage under 35℃ for 25 days,most of the infected plants produced systemic ring spots.The results give the evidence that different expression of symptoms occurred in different conditions. |
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