지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.12
- 수록면
- 404 - 411 (8page)
- DOI
- 10.7783/KJMCS.2019.27.6.404
이용수
초록· 키워드
오류제보하기
Background: In September 2017, wilting and rhizome rot symptoms were observed on Atractylodes macrocephala Koidz. in Jecheon-si and Eumseong-gun. This study was carried out to isolate hitherto unidentified pathogenic fungi from A. macrocephala and to test the pathogenicity of isolated fungi against Atractylodes spp. genus such as A. macrocephala, A. japonica, and their interspecific hybrids.
Methods and Results: The diseased plants were washed with running tap water, and the boundary between the healthy area and the diseased area was cut while the pathogens were isolated by growing cultures from the diseased areas on Phytophthora semi-selective medium. The internal transcribed spacer (ITS) region of the isolates was used in this study for identification. Test plants were cultivated in the glasshouse at 20℃ - 30℃ for 4 months and then used for pathogenicity test. The pots with plants inoculated with mycelial plugs and zoospores were placed at 25℃ for 48 h in a dew chamber where relative humidity was above 95%, and then moved into the glasshouse at 20℃ - 30℃. The presence or absence of pathogenicity of the strains was determined by evaluating the symptom of plant wilting. The inoculation test was performed in three replicates with a non-treated control.
Conclusions: On the basis of results of ITS sequence analysis, the strains isolated from the diseased plants was identified as Phytophthora sansomeana. Biological assay using test plants confirmed the pathogenicity of P. sansomeana against Atractylodes macrocephala. This is the first report of rhizome rot in A. macrocephala caused by P. sansomeana.
Methods and Results: The diseased plants were washed with running tap water, and the boundary between the healthy area and the diseased area was cut while the pathogens were isolated by growing cultures from the diseased areas on Phytophthora semi-selective medium. The internal transcribed spacer (ITS) region of the isolates was used in this study for identification. Test plants were cultivated in the glasshouse at 20℃ - 30℃ for 4 months and then used for pathogenicity test. The pots with plants inoculated with mycelial plugs and zoospores were placed at 25℃ for 48 h in a dew chamber where relative humidity was above 95%, and then moved into the glasshouse at 20℃ - 30℃. The presence or absence of pathogenicity of the strains was determined by evaluating the symptom of plant wilting. The inoculation test was performed in three replicates with a non-treated control.
Conclusions: On the basis of results of ITS sequence analysis, the strains isolated from the diseased plants was identified as Phytophthora sansomeana. Biological assay using test plants confirmed the pathogenicity of P. sansomeana against Atractylodes macrocephala. This is the first report of rhizome rot in A. macrocephala caused by P. sansomeana.
목차
ABSTRACT
서언
재료 및 방법
결과 및 고찰
REFERENCES
참고문헌 (23)
참고문헌 신청
Chang KF / 2017 / First report of Phytophthora sansomeana causing root rot in field pea in Alberta, Canada / Crop Protection 101:1~4
Cho JH / 2001 / Genetic variation of Atractylodes macrocephala in morphological traits and Phytophthora root rot resistance / Korean Journal of Breeding Science 33:191~198
조준형 / 2001 / 포장조건에 따른 백출의 역병 발생 / 한국약용작물학회지 9(3):211~219
Cooke DEL / 2000 / A molecular phylogeny of Phytophthora and related oomycetes / Fungal Genetics and Biology 30:17~32
Hansen EM / 2009 / Phytophthora rosacearum and P. sansomeana, new species segregated from the Phytophthora megasperma “complex” / Mycologia 101:129~135
Cho JH / 2001 / Genetic variation of Atractylodes macrocephala in morphological traits and Phytophthora root rot resistance / Korean Journal of Breeding Science 33:191~198
조준형 / 2001 / 포장조건에 따른 백출의 역병 발생 / 한국약용작물학회지 9(3):211~219
Cooke DEL / 2000 / A molecular phylogeny of Phytophthora and related oomycetes / Fungal Genetics and Biology 30:17~32
Hansen EM / 2009 / Phytophthora rosacearum and P. sansomeana, new species segregated from the Phytophthora megasperma “complex” / Mycologia 101:129~135
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