LIN Yu, LI Zengping, WU Ruhui, ZHANG Yu. Identification and Biological Characteristics of the Pathogen Causing Phomopsis leaf spot in Khaya senegalensis[J]. Journal of Tropical Biology, 2019, 10(1): 34-40. doi: 10.15886/j.cnki.rdswxb.2019.01.006
| Citation:
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LIN Yu, LI Zengping, WU Ruhui, ZHANG Yu. Identification and Biological Characteristics of the Pathogen Causing Phomopsis leaf spot in Khaya senegalensis[J]. Journal of Tropical Biology, 2019, 10(1): 34-40. doi: 10.15886/j.cnki.rdswxb.2019.01.006
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Identification and Biological Characteristics of the Pathogen Causing Phomopsis leaf spot in Khaya senegalensis
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Institute of Tropical Agriculture and Forestry, Hainan University, Haikou, Hainan 570228, China
- Received Date: 2018-11-02
- Rev Recd Date:
2018-12-04
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Abstract
The pathogen of Phomopsis leaf spot in Khaya senegalensis was identified and its biological characteristics were determined. The pathogen was identified as Diaporthe musigena based on pathogenicity measurement and morphological observation as well as molecular identification. The biological observation showed that the optimum conditions for the pathogen growth were temperature 28 ℃, pH5, Soybean peptone as nitrogen source, sucrose as carbon source. Alternation of light and darkness inhibited the mycelial growth of the pathogen.
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