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Volume 16 Issue 4
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Article Navigation >  Forest Research  > 2003 >  16(4): 453-458

Citation:
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Determination of Necrotic Spot Pathogen on Needle of Cedrus deodara and the Biological Characteristics of the Pathogen

  • 1.

    Yunnan Academy of Forestry, Kunming650204, Yunnan, China

  • 2.

    Yunnan Agricultural University, Kunming650201, Yunnan, China

  • Received Date: 2001-08-27
  • Necrotic spot pathogen on needle of Cedrus deodara was identified as Cladosporium tenuissinum. It was a new pathogen on C. deodara. The optimum carbon source of the pathogen growth was glucose. The mycelium growth of the pathogen was obviously inhibited by nitrogen sources and vitamin. In PDA substrate, the preference temperature for mycelium growth was 15～25 ℃, and the optimum temperature 25 ℃ and pH 4. Conidia could only germinate at the relative humidity of 100%.
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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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Determination of Necrotic Spot Pathogen on Needle of Cedrus deodara and the Biological Characteristics of the Pathogen

  • 1. Yunnan Academy of Forestry, Kunming650204, Yunnan, China
  • 2. Yunnan Agricultural University, Kunming650201, Yunnan, China
  • Received Date: 2001-08-27

Abstract: Necrotic spot pathogen on needle of Cedrus deodara was identified as Cladosporium tenuissinum. It was a new pathogen on C. deodara. The optimum carbon source of the pathogen growth was glucose. The mycelium growth of the pathogen was obviously inhibited by nitrogen sources and vitamin. In PDA substrate, the preference temperature for mycelium growth was 15～25 ℃, and the optimum temperature 25 ℃ and pH 4. Conidia could only germinate at the relative humidity of 100%.

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