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Biocontrol of pepper anthracnose by a new Streptomyces sp. A1022 under greenhouse condition

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Abstract

A biocontrol agent including Streptomyces sp. A1022 was formulated into the form of a solid concentrate (SC) to evaluate its effect on anthracnose (Colletotrichum gloeosporioides) of pepper plants and was compared to that of commercial fungicide, azoxystrobin. Percent disease incidence was in the following order: untreated control > azoxystrobin > Streptomyces sp. A1022 SC. The average weight per pepper fruit was higher with Streptomyces sp. A1022 SC than those with azoxystrobin and the untreated control. The root length of the pepper plant postharvest was in the following order: Streptomyces sp. A1022 SC > azoxystrobin > the untreated control. Results showed that the pepper plants were more protected from anthracnose and under better growth conditions with Streptomyces sp. A1022 SC than with azoxystrobin and the untreated control.

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Authors and Affiliations

  1. College of Life Sciences & Biotechnology, Korea University, Seoul, 136-713, Republic of Korea

    Namhyun Chung

  2. Haegangbio Co. Ltd., Yeoju-gun, 469-852, Republic of Korea

    Eun Jung Lee

  3. School of Agricultural Biotechnology, Seoul National University, Seoul, 151-921, Republic of Korea

    Young-Joon Ahn

  4. College of Agriculture & Life Science, Chonbuk National University, Jeonju, 561-756, Republic of Korea

    Hoi-Seon Lee

Authors
  1. Eun Jung Lee
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  2. Young-Joon Ahn
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  3. Hoi-Seon Lee
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  4. Namhyun Chung
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Correspondence to Namhyun Chung.

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Lee, E.J., Ahn, YJ., Lee, HS. et al. Biocontrol of pepper anthracnose by a new Streptomyces sp. A1022 under greenhouse condition. J Korean Soc Appl Biol Chem 55, 447–449 (2012). https://doi.org/10.1007/s13765-012-2077-6

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  • DOI: https://doi.org/10.1007/s13765-012-2077-6

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