Inhibitory activity of Paenibacillus macerans and Paenibacillus polymyxa against Ralstonia solanacearum
文献类型: 外文期刊
第一作者: Li, Bin
作者: Li, Bin;Su, Ting;Tao, Zhongyun;Algam, Soad A. E.;Xie, Guanlin;Yu, Rongrong;Wu, Zhiyi;Wang, Yanli;Sun, Guochang
作者机构:
关键词: Paenibacillus;antagonistism;biovar;Ralstonia solanacearum;tomato wilt
期刊名称:AFRICAN JOURNAL OF MICROBIOLOGY RESEARCH ( 影响因子:0.539; 五年影响因子:0.564 )
ISSN: 1996-0808
年卷期: 2010 年 4 卷 19 期
页码:
收录情况: SCI
摘要: The inhibitory activities of seven Paenibacillus polymyxa strains and nine Paenibacillus macerans strains against Ralstonia solanacearum strains were examined. Result from this study indicated that the growth of all R. solanacearum strains except strain E406 were inhibited by P. macerans MB02-992 and P. polymyxa MB02-1007, while the other fourteen Paenibacillus strains had no in vitro inhibitory effect against R. solanacearum strains. In addition, suspensions of the two antagonistic bacteria showed antibacterial activities against R. solanacearum under different treatments and reduced the disease incidence and severity of tomato bacterial wilt. Overall, this study clearly demonstrates that antagonistic substances may play an important role in biocontrol of the two antagonistic bacteria. However, antimicrobial activities of P. macerans and P. polymyxa depend on the Paenibacillus strains and the target pathogen. This is the first report about the antibacterial activities of Paenibacillus strains against R. solanacearum strains isolated from different host plants.
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