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The plant pathology journal v.21 no.1, 2005년, pp.68 - 72   피인용횟수: 2

Enhancement of Biocontrol Efficacy of Serratia plymuthica A21-4 Against Phytophthora Blight of Pepper by Improvement of Inoculation Buffer Solution

Shen, Shun-Shan    (Division of Plant Resources and Environment, Gyeongsang National University   ); Park, Sin-Hyo    (Division of Plant Resources and Environment, Gyeongsang National University   ); Park, Chang-Seuk    (Division of Plant Resources and Environment, Gyeongsang National University  );
  • 초록

    The production of antibiotic substances by Serratia plymuthica A21-4 was greatly enhanced by modifying components of a growth medium. When the minimal medium containing $K_2HPO_4$ 0.7%, $KH_2PO_4$ 0.2%, $(NH_4)_2SO_4$ 0.1%, $MgSO_4$ 0.01% was used as basal medium, the best carbon source for antibiotic production was glycerol and the most favorable nitrogen source was ammonium sulfate. The modified medium for antibiotic production also increased colonization ability of A21-4 on pepper root and in the rhizosphere soil. When the cells of A21-4 were suspended in modified medium, the population density of A21-4 on pepper root was 10-100 times higher than that suspended in 0.1 M $MgSO_4$ . The population density of A21-4 on root did not decrease under $10^6$ cfu/groot up to 21 days after treatment although the inoculum of A21-4 was reduced to $10^7$ cell/ml. Similar tendency was also observed in the rhizosphere soil. Consequently, Phytophthora blight of pepper was successfully controlled by A21-4 with $10^7$ cell/ml suspended in the modified buffer solution instead of $10^9$ cfu/ml suspended in 0.1 M $MgSO_4$ .


  • 주제어

    biological control .   Phytophthora blight .   pepper .   Serratia plymuthica A21-4.  

  • 참고문헌 (12)

    1. Jee, H. J., Nam, C. G. and Kim, C. H. 1988. Studies on Biological Control of Phytophthora Blight of Red-pepper I. Isolation of Antagonists and Evaluation of Antagonistic Activity in vitro and in Greenhouse. Kor. J. Plant Pathol. 4:305-312 
    2. Shen, S. S., Choi, O. H., Lee, S. M. and Park, C. S. 2002. In vitro and In vivo Activities of a Biocontrol Agent, Serratia plymuthica A21-4, Against Phytophthora capsici. Plant Pathol. J. 18:221-224     
    3. Nam, C. G., Jee, H. J. and Kim, C. H. 1988. Studies on Biological Control of Phytophthora Blight of Red-pepper. Enhancement of Antagonistic Activity by soil Amendment with Organic Materials. Kor. J. Plant Pathol. 4:313-318 
    4. Ryu, G. H. 1988. Biological Control of Several Soil-borne Diseases of Vegetables by Pseudomonas fluorescens. Ph. D. Thesis. Seoul National Univ., Korea 
    5. Kaiser, W. J., Hannan, R. M. and Weller, K. M. 1989. Biological control of seed rot and pre-emergence damping-off of chickpea with fluorescent pseudomonas. Soil. Biol. Biochem. 21:269-273 
    6. Park, J. H. and Kim, H. K. 1989. Biological control of Phytophthora crown and root rot of greenhouse pepper with Trichoderma harzianum and Enterobacter agglomerans by improved method of application. Kor. J. Plant Pathol. 5:1-12 
    7. Shen, S. S., Kim, J. W. and Park, C. S. 2002. Serratia plymuthica strain A21-4: A Potential Biocontrol Agent Against Phytophthora Blight of Pepper. Plant Pathol. J. 18:138-141     
    8. Hwang, B. K. and Kim, C. H. 1995. Phytophthora blight of pepper and its control in Korea. Plant Dis. 79:221-227 
    9. Park, K. S., Jang, S. W., Kim, C. H. and Lee, E. J. 1989. Studies on Biological Control of Phytophthora Blight of Red-pepper . Formulations of Trichoderma harzianum and Pseudomonas cepacia Antagonistic to Phytophthora capsici and Their Preservation. Kor. J. Plant pathol. 5:131-138 
    10. Weller, D. M. 1988. Biological control of soilborne plant pathogens in the rhizosphere with bacteria. Annu. Rev. Phytophthol. 26:379-407 
    11. Kurze, S., Dahl, R., Bahl, H. and Berg, G. 2001. Biological control of soil-borne pathogens in strawberry by Serratia plymuthica HRO-C48. Plant Dis. 85:529-534 
    12. Lee, J. Y., Kim, B. S., Lim, S. W., Lee, B. K., Kim, C. H. and Hwang, B. K. 1999. Field Control of Phytophthora Blight of Pepper Plants with Antagonistic Rhizobacteria and DL-${\beta}$- Amino-n-Butyric Acid. Kor. J. Plant Pahtol. 15:217-222 
  • 이 논문을 인용한 문헌 (2)

    1. 2007. "" The plant pathology journal, 23(3): 180~186     
    2. 2011. "" Journal of microbiology and biotechnology, 21(8): 777~790     

 저자의 다른 논문

  • 박신효 (1)

    1. 2005 "Root Colonizing and Biocontrol Competency of Serratia plymuthica A21-4 against Phytophthora Blight of Pepper" The plant pathology journal 21 (1): 64~67    
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