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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.9
- 수록면
- 374 - 383 (10page)
- DOI
- 10.48022/mbl.2103.03005
이용수
초록· 키워드
오류제보하기
Rhizoctonia solani is one of the major pathogens that cause sheath blight disease in rice. Sheath blight is one of the most difficult diseases to control. Biological control (with the use of rhizobacteria) is one of the ways to control this disease. Plant Growth Promoting Rhizobacteria (PGPR) is a rhizosphere bacterium that can be used to enhance plant growth. The composition of the rhizobacteria in organic and nonorganic soil is affected by the chemical characteristics of the soil - which influences plant physiology and root exudation patterns. This study aimed to obtain a species of rhizobacteria which shows PGPR activity, from organic and nonorganic rice fields and test their capability to suppress R. solani growth. Out of 23 isolates screened for PGPR activity, the following isolates showed high PGPR activity and were selected for in vitro antagonistic activity testing against R. solani: ISO6, ISO11, ISO15, ISN2, ISN3, and ISN7, The six isolates produced 43,42?75,23 ppm of IAA, possessed phosphorus solubilization capability, and chitinase-producing activity. ISO6 (54.88%) and ISN7 (83.33%) displayed high inhibition capacities against R. solani, in vitro.
ISO6 and ISN7 inhibited the growth of R. solani lesions on rice leaves by 89% and 100% (without lesion), respectively, after 7 days of incubation. Analysis of their 16S rRNA sequences revealed that the ISO6 isolate was Citrobacter freundii and ISN7 isolate was Pseudomonas aeruginosa.
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등록된 정보가 없습니다.
참고문헌 (43)
참고문헌 신청
Savary S / 2000 / Rice pest constrain in tropical Asia : Quantification of yield losses due to rice pest in range of production situations / Plant Dis 84:357~369
Santosa S / 2018 / Molecular characterization of plant growth promoting rhizobacteria using 16S rRNA sequences in the organic rice field of Sukorejo Village, Central Java, Indonesia / Biodiversitas 19:2157~2162
Bulluck LR III / 2002 / Effect of synthetic and organic soil fertility amendment on southern blight, soil microbial communities, and yield of processing tomato / Phytopathology 92:181~189
Wolfe DW / 2001 / Tales from the Underground: A Natural History of Subterannean Life / Perseus Publishing :221
Gupta G / 2015 / Plant Growth Promoting Rhizobacteria(PGPR) : Current and future prospects for development of sustainable agriculture / J. Microbiol. Biochem. Technol 7:96~102
Santosa S / 2018 / Molecular characterization of plant growth promoting rhizobacteria using 16S rRNA sequences in the organic rice field of Sukorejo Village, Central Java, Indonesia / Biodiversitas 19:2157~2162
Bulluck LR III / 2002 / Effect of synthetic and organic soil fertility amendment on southern blight, soil microbial communities, and yield of processing tomato / Phytopathology 92:181~189
Wolfe DW / 2001 / Tales from the Underground: A Natural History of Subterannean Life / Perseus Publishing :221
Gupta G / 2015 / Plant Growth Promoting Rhizobacteria(PGPR) : Current and future prospects for development of sustainable agriculture / J. Microbiol. Biochem. Technol 7:96~102
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