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| 紫外线对番茄青枯菌致病性变化的影响 | |
| 引用本文： | 张赛群,朱红梅,周涵韬,史怀,车建美,曹宜,刘波,朱育菁.紫外线对番茄青枯菌致病性变化的影响[J].厦门大学学报(自然科学版),2004,43(Z1):59-62. |
| 作者姓名： | 张赛群 朱红梅 周涵韬 史怀 车建美 曹宜 刘波 朱育菁 |
| 作者单位： | 1. 厦门大学生命科学学院,福建,厦门,361005 2. 厦门大学生命科学学院,福建,厦门,361005;福建省农科院生物技术中心,福建,福州,350003 3. 福建省农科院生物技术中心,福建,福州,350003 |
| 基金项目： | 国家863计划项目(2002AA244031 2)，福建省计委项目(闽计农经[2002]48号)资助 |
| 摘 要： | 紫外线的亚致死剂量、致死剂量对青枯雷尔氏菌作用的实验表明:亚致死剂量照射不同时间对青枯雷尔氏菌强致病力菌株有不同程度地促进作用,而无杀灭作用及任何抑制和致弱现象;致死剂量照射对强致病力菌株和无致病力菌株影响不同,结果差异极显著,无致病力菌株对紫外线的耐受力要高于强致病力菌株.致死剂量紫外线对强致病力菌株处理2min,抑制率即达100%,致弱率为0;无致病力菌株照射2min与4min的处理,抑制率分别为70.3%和96.3%,处理8min以上,抑制率达100%. |
| 关 键 词： | 紫外线 亚致死剂量 致死剂量 致弱作用 |
| 文章编号： | 0438-0479(2004)S-059-04 |
| 修稿时间： | 2004年5月10日 |
Effect of UV-ray on Virulence of Ralstonia solanacearum for Tomato Bacterial Wilt |
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| ZHANG Sai-qun,ZHU Hong-mei,ZHOU Han-tao.Effect of UV-ray on Virulence of Ralstonia solanacearum for Tomato Bacterial Wilt[J].Journal of Xiamen University(Natural Science),2004,43(Z1):59-62. | |
| Authors: | ZHANG Sai-qun ZHU Hong-mei ZHOU Han-tao |
| Institution: | ZHANG Sai-qun~1,ZHU Hong-mei~1,ZHOU Han-tao~ |
| Abstract: | Lethal dose and sublethal dose of UV-ray acted on Ralstonia solanacearum.The results indicated that different rediation time with sublethal dose could accelerate growth of virulent strain to different degrees,but did not kill it or attenuated its virulence.The virulent strain and avirulent strains both radiated for different time respectively showed remarkable differences of tolerance ability by lethal dose and statistical discrepancy.The tolerance ability to UV-ray radiation for the aviruent strain was better than that for the virulent strain.After 2 min to UV-ray,inhibiting rate of the virulent strain was 100% and attenuation rate was 0,while inhibiting rate of the avirulent strain was 70.3%,96.3% and 100% after radiated by UV-ray for 2 min,4 min and 10 min,respectively. |
| Keywords: | UV-ray Ralstonia solanacearum sublethal and lethal dose inhibition |
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