Volume 29 Issue 5
Sep.  2012
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ZENG Fei-li, BEN Ai-ling3, ZHENG Jing-rong, HAN Zheng-min. Identification and pathogenicity of bacterial strains carried by American pine wood nematodes[J]. Journal of Zhejiang A&F University, 2012, 29(5): 696-702. doi: 10.11833/j.issn.2095-0756.2012.05.010
Citation: ZENG Fei-li, BEN Ai-ling3, ZHENG Jing-rong, HAN Zheng-min. Identification and pathogenicity of bacterial strains carried by American pine wood nematodes[J]. Journal of Zhejiang A&F University, 2012, 29(5): 696-702. doi: 10.11833/j.issn.2095-0756.2012.05.010

Identification and pathogenicity of bacterial strains carried by American pine wood nematodes

doi: 10.11833/j.issn.2095-0756.2012.05.010
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  • Corresponding author: HAN Zheng-min
  • Received Date: 2011-10-19
  • Rev Recd Date: 2011-11-30
  • Publish Date: 2012-10-20
通讯作者: 陈斌, bchen63@163.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Identification and pathogenicity of bacterial strains carried by American pine wood nematodes

doi: 10.11833/j.issn.2095-0756.2012.05.010
    Corresponding author: HAN Zheng-min

Abstract: To confirm that pine wood nematodes carrying attenuated bacterial strains could alleviate pine wilt disease,bacteria were isolated from two nematodes native to America. Bacterial virulence and pathogenicity were tested with pine seedlings,and preliminary identification of predominant strains was determined using bacterial staining reactions and morphology combined with 16S rDNA sequence analysis. Results of the isolation experiment showed that the predominant bacteria which American nematodes carried were strains MG4 (Delftia tsuruhatensis),MG5 (Pseudomonas putida),MG8 (Stenotrophomonas maltophilia),and MG9 (Pantoea sp.) Virulence and pathogenicity results demonstrated that compared with the high virulent bacteria strains(Pseudomonas fluorescence) isolated from Chinese nematodes,toxicity and pathogenicity of bacterial strains from America were relatively low. Thus,the bacteria carried by American nematodes should be considered the candidates for biological control agents.[Ch,2 fig. 3 tab. 20 ref.]

ZENG Fei-li, BEN Ai-ling3, ZHENG Jing-rong, HAN Zheng-min. Identification and pathogenicity of bacterial strains carried by American pine wood nematodes[J]. Journal of Zhejiang A&F University, 2012, 29(5): 696-702. doi: 10.11833/j.issn.2095-0756.2012.05.010
Citation: ZENG Fei-li, BEN Ai-ling3, ZHENG Jing-rong, HAN Zheng-min. Identification and pathogenicity of bacterial strains carried by American pine wood nematodes[J]. Journal of Zhejiang A&F University, 2012, 29(5): 696-702. doi: 10.11833/j.issn.2095-0756.2012.05.010

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