| 几种杀菌剂对番茄青枯病菌的抑菌活性 |
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| 引用本文： | 王英,;尹显慧,;王梅,;龙友华. 几种杀菌剂对番茄青枯病菌的抑菌活性[J]. 山地农业生物学报, 2014, 0(3): 8-12 |
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| 作者姓名： | 王英, 尹显慧, 王梅, 龙友华 |
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| 作者单位： | [1]贵州大学作物保护研究所,贵州贵阳550025; [2]贵州大学贵州山地农业病虫害重点实验室,贵州贵阳550025 |
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| 基金项目： | 贵州省农业攻关项目“贵州番茄重要病虫害高效安全综合防控技术组建与示范”[黔科合NY字（2010）3066] |
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| 摘 要： | 采用番茄青枯病防治中3种已登记杀菌剂和7种未登记杀菌剂对番茄青枯病菌进行室内毒力测定,并通过EC50和病原菌的抗性水平进行抑菌作用对比。结果表明:在10种药剂中,以已登记的3%中生菌素WP抑菌效果最好,EC50值为1.308 mg/L,番茄青枯病菌对其表现敏感;在未登记的7种杀菌剂中,0.5%氨基寡糖素AS的抑菌效果最好,EC50值为2.180 mg/L,番茄青枯病菌对其表现敏感。
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| 关 键 词： | 化学杀菌剂 生物杀菌剂 番茄青枯病 敏感性 |
The Antibacterial Activity of Several Fungicides to Ralstonia solanacearum |
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| Affiliation: | WANG Ying , YIN Xian-hui , WANG Mei , LONG You-hua ( 1. Institute of Crop Protection, Guizhou University, Guiyang Guizhou 550025, China ; 2. The Provincial Key Laboratory for Agricultural Pest Management in Mountainous Region, Guizhou University, Guiyang Guizhou 550025, China) |
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| Abstract: | The fungitoxicity of three registered fungicides in control of tomato bacterial wilt and seven unregistered fungicides to Ralstonia solanacearum were investigated in the current work. The results showed that 3% Zhongshengmycin WP, which was registered, had the highest inhibition rates among the ten fungicides, with EC50 of 1. 308mg/L. Among the seven unregistered fungicides, 0.5% Chitooligosaccharace AS demonstrated the highest inhibition rates, with EC50 of 2. 180 mg/L. Both Zhongshengmycin and Chitooligosaccharace gave sensitive effects to Ralstonia solanacearum. |
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| Keywords: | chemical fungicides bio - fungicides Ralstonia solanacearum sensitivity |
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