| 影响黑胫病菌侵染试管烟苗的几个因素分析 |
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| 引用本文： | 陈廷俊.影响黑胫病菌侵染试管烟苗的几个因素分析[J].植物病理学报,1996,26(1):41-44. |
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| 作者姓名： | 陈廷俊 |
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| 作者单位： | 合肥经济技术学院, 合肥 230052 |
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| 摘 要： | 黑胫病或赤星病菌接种到试管烟苗基部进行培养,定期观察病情,结果表明:(1)高抗黑胫病而高感赤星病品种G140的幼嫩试管苗能被黑胫病菌侵染,接种病原菌30天病指100;但赤星病却与烟苗共生,病指为0。(2)接种黑胫病菌后,高感品种小黄金1025较G140凋萎死亡迅速,二者差7~10天;同一品种内单倍体较二倍体凋萎死亡迅速。(3)试管烟苗继代后7天内,极易遭黑胫病菌侵染,抗感品种间无差异;继代后10天,抗感品种间差异显著;继代后时间继续延长,烟苗抗病性有增加趋势。(4)28℃左右黑胫病菌侵染能力强而稳定,15℃能够侵染,8℃以下失去侵染能力。
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| 关 键 词： | 黑胫病 试管烟苗 侵染 |
| 收稿时间： | 1995-10-08 |
ANALYSIS OF SEVERAL FACTORS IN INFECTION OF TUBE TOBACCO SEEDLINGS BY PHYTOPHTHORA PARASITICA VAR. NICOTIANAE TUCKER |
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| Chen Tingjun.ANALYSIS OF SEVERAL FACTORS IN INFECTION OF TUBE TOBACCO SEEDLINGS BY PHYTOPHTHORA PARASITICA VAR. NICOTIANAE TUCKER[J].Acta Phytopathologica Sinica,1996,26(1):41-44. |
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| Authors: | Chen Tingjun |
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| Institution: | Hefei Institute of Economics and Technology, Hefei 230052 |
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| Abstract: | The disease index was recorded during tobacco seedlings in tubes infected with Phytophthora parasitica var.nicotianae Tucker or Alternaria alternata Keissler.The results showed that:(1) The tube seedlings of Nicotiana tabacum L.variety G140 was high resistance to black shank (HR) and high susceptible to brown spot (HS). |
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| Keywords: | Phytophthora parasitica var nicotianae Tucker Tube tobacco seedling Infection |
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