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
- 2016.1
- 수록면
- 28 - 37 (10page)
이용수
초록· 키워드
오류제보하기
Background: Panax ginseng cannot be cultivated on the same land consecutively for an extended period, and the underlying mechanism regarding microorganisms is still being explored.
Methods: Polymerase chain reaction and denaturing gradient gel electrophoresis (PCR-DGGE) and BIOLOG methods were used to evaluate the microbial genetic and functional diversity associated with the P. ginseng rhizosphere soil in various cultivation ages and modes.
Results: The analysis of microbial diversity using PCR-DGGE showed that microbial communities were significantly variable in composition, of which six bacterial phyla and seven fungal classes were detected in P. ginseng soil. Among them, Proteobacteria and Hypocreales dominated. Fusarium oxysporum, a soilborne pathogen, was found in all P. ginseng soil samples except R0. The results from functional diversity suggested that the microbial metabolic diversity of fallowsoil abandoned in 2003was the maximumand transplanted soil was higher than direct-seeding soil and the forest soil uncultivated P. ginseng, whereas the increase in cultivation ages in the same mode led to decreases in microbial diversity in P. ginseng soil. Carbohydrates, amino acids, and polymerswere the main carbon sources utilized. Furthermore, the microbial diversity index and multivariate comparisons indicated that the augmentation of P. ginseng cultivation ages resulted in decreased bacterial diversity and increased fungal diversity, whereas microbial diversity was improved strikingly in transplanted soil and fallow soil abandoned for at least one decade.
Conclusion: The key factors for discontinuous P. ginseng cultivation were the lack of balance in rhizosphere microbial communities and the outbreak of soilborne diseases caused by the accumulation of its root exudates.
Methods: Polymerase chain reaction and denaturing gradient gel electrophoresis (PCR-DGGE) and BIOLOG methods were used to evaluate the microbial genetic and functional diversity associated with the P. ginseng rhizosphere soil in various cultivation ages and modes.
Results: The analysis of microbial diversity using PCR-DGGE showed that microbial communities were significantly variable in composition, of which six bacterial phyla and seven fungal classes were detected in P. ginseng soil. Among them, Proteobacteria and Hypocreales dominated. Fusarium oxysporum, a soilborne pathogen, was found in all P. ginseng soil samples except R0. The results from functional diversity suggested that the microbial metabolic diversity of fallowsoil abandoned in 2003was the maximumand transplanted soil was higher than direct-seeding soil and the forest soil uncultivated P. ginseng, whereas the increase in cultivation ages in the same mode led to decreases in microbial diversity in P. ginseng soil. Carbohydrates, amino acids, and polymerswere the main carbon sources utilized. Furthermore, the microbial diversity index and multivariate comparisons indicated that the augmentation of P. ginseng cultivation ages resulted in decreased bacterial diversity and increased fungal diversity, whereas microbial diversity was improved strikingly in transplanted soil and fallow soil abandoned for at least one decade.
Conclusion: The key factors for discontinuous P. ginseng cultivation were the lack of balance in rhizosphere microbial communities and the outbreak of soilborne diseases caused by the accumulation of its root exudates.
목차
ABSTRACT
1. Introduction
2. Materials and methods
3. Results
4. Discussion
References
참고문헌 (52)
참고문헌 신청
[학술지(정기간행물)] - Juyeon Jung / 2014 / Practical application of DNA markers for high-throughput authentication of Panax ginseng and Panax quinquefolius from commercial ginseng products / Journal of Ginseng Research 38 (2) : 123 ~ 129
[학술지(정기간행물)] - Zhang HY / 2010 / Research progress in control of continuous cropping obstacle in Panax ginseng / Acta Agriculturae Jiangxi 22 : 68 ~ 71
[학술지(정기간행물)] - Zhang LX / 2008 / Study on discontinuous cultivating of Panax ginseng and its workable solution / J Jilin Agric Univ 30 : 481 ~ 485
[학술지(정기간행물)] - Li Y / 2012 / Microbial community diversity analysis of Panax ginseng rhizosphere and non-rhizosphere soil using randomly amplified ! method / Open J Genet 2 : 95 ~ 102
[학술지(정기간행물)] - Yang LM / 2004 / Ecological restoration and reused modes of old ginseng land in the Changbai mountainous area and its existing problems / J Jilin Agric Univ 26 : 546 ~ 549
[학술지(정기간행물)] - Zhang HY / 2010 / Research progress in control of continuous cropping obstacle in Panax ginseng / Acta Agriculturae Jiangxi 22 : 68 ~ 71
[학술지(정기간행물)] - Zhang LX / 2008 / Study on discontinuous cultivating of Panax ginseng and its workable solution / J Jilin Agric Univ 30 : 481 ~ 485
[학술지(정기간행물)] - Li Y / 2012 / Microbial community diversity analysis of Panax ginseng rhizosphere and non-rhizosphere soil using randomly amplified ! method / Open J Genet 2 : 95 ~ 102
[학술지(정기간행물)] - Yang LM / 2004 / Ecological restoration and reused modes of old ginseng land in the Changbai mountainous area and its existing problems / J Jilin Agric Univ 26 : 546 ~ 549
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UCI(KEPA) : I410-ECN-0101-2018-524-001598067