Peony Stem Rots by Neopestalotiopsis clavispora and Sclerotinia sclerotiorum, and Antifungal Propineb and Bacillus siamensis H30-3 against the Two Fungal Species
| Autor: | Jeum Kyu Hong, Young Hee Lee, Yeon Sook Jo, Su Min Kim, Seoung Bin Lee, Juyeoung Um, Kyoung-Ok Choi, Mee Kyung Sang, Chung-Ryul Jung, Chang-Jin Park, Sung Hwan Choi |
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| Jazyk: | English<br />Korean |
| Rok vydání: | 2024 |
| Předmět: | |
| Zdroj: | Research in Plant Disease, Vol 30, Iss 2, Pp 114-123 (2024) |
| Druh dokumentu: | article |
| ISSN: | 1598-2262 2233-9191 |
| DOI: | 10.5423/RPD.2024.30.2.114 |
| Popis: | In July 2022, stem rot symptom was found in a peony plant grown in a pot under a greenhouse at Jinju, Gyeongnam Province, South Korea. Two fungal species were isolated from the infected peony stems and cultured on 1/2-strength potato dextrose agar for identification. The morphological characteristics of the fungal isolates were examined, and nucleotide sequences of the internal transcribed spacer region, β-tubulin and translation elongation factor 1-α were analysed. The pathogenicity of the two isolates was confirmed in detached peony leaves, according to Koch's postulates. To our knowledge, this is the report of Neopestalotiopsis clavispora and Sclerotinia sclerotiorum as the causal agents of peony stem rots. Antifungal activity of chemical fungicide propineb and rhizobacterium Bacillus siamensis H30-3 was shown against the two plant pathogenic fungi N. clavispora and S. sclerotiorum. Unidentified diffusible and volatile compounds from B. siamensis H30-3 could suppress in vitro mycelial growths of N. clavispora JJ 8-2-1 and S. sclerotiorum JJ 8-2-2. |
| Databáze: | Directory of Open Access Journals |
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