Identification of the pathogen causing stem canker on Sophora japonica Linn. var. japonica f. pendula Hort.

HUANG Lin, YANG Jiyun, LI Qiucheng, ZHANG Ya, YE Jianren

JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 2017, Vol. 41 ›› Issue (05) : 175-179.

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南京林业大学学报（自然科学版）
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JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 2017, Vol. 41 ›› Issue (05) : 175-179. DOI: 10.3969/j.issn.1000-2006.201601004

Identification of the pathogen causing stem canker on Sophora japonica Linn. var. japonica f. pendula Hort.

  • HUANG Lin, YANG Jiyun, LI Qiucheng, ZHANG Ya, YE Jianren*
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Abstract

【Objective】 Identify the pathogen causing stem canker on Sophora japonica Linn. var. japonica f. pendula Hort. 【Methods】 The method of tissue isolation was used to screen for suspected pathogens of stem canker on S. japonica Linn. var. japonica f. pendula Hort. A field experiment was performed to confirm the stem canker pathogen. Morphological characters, rDNA-ITS and EF-α gene sequence analyses were used to identify the pathogen causing this disease. 【Result】 A Koch's postulates assay was performed on the F6 isolate, and this fungal strain was identified as Fusarium solani species complex(FSSC).【Conclusion】F. solani species complex(FSSC)was confirmed as the pathogen of stem canker on S. japonica Linn. var. japonica f. pendula Hort. This is the first study describing the pathogen causing stem canker on S. japonica Linn. var. japonica f. pendula Hort.

Key words

Keywords:stem canker on Sophora japonica Linn. var. japonica f. pendula Hort. / Fusarium solani species complex(FSSC) / symptom / morphological character / rDNA-ITS / EF-α

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HUANG Lin, YANG Jiyun, LI Qiucheng, ZHANG Ya, YE Jianren. Identification of the pathogen causing stem canker on Sophora japonica Linn. var. japonica f. pendula Hort.[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY. 2017, 41(05): 175-179 https://doi.org/10.3969/j.issn.1000-2006.201601004

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