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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제29권 제1호
- 발행연도
- 2019.1
- 수록면
- 66 - 78 (13page)
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초록· 키워드
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In this study, strain KNU17Pc1 was tested for its antifungal activity against Rhizoctonia solani AG-1(IA), which causes banded leaf and sheath blight (BLSB) of maize. KNU17Pc1 was tested further for its broad-spectrum antifungal activity and in vitro plant growth promoting (PGP) traits. In addition, the in vivo effects of KNU17Pc1 on reduction of BLSB severity and seedling growth promotion of two maize cultivars under greenhouse conditions were investigated. On the basis of multilocus sequence analysis (MLSA), KNU17Pc1 was confirmed as P. chlororaphis subsp. aurantiaca. The study revealed that KNU17Pc1 had strong in vitro antifungal activity and was effective toward all in vitro PGP traits except phosphate solubilization. In this study, for the first time, a strain of P. chlororaphis against Colletotrichum dematium, Colletotrichum gloeosporioides, Fusarium oxysporum f.sp. melonis, Fusarium subglutinans and Stemphylium lycopersici has been reported. Further biochemical studies showed that KNU17Pc1 was able to produce both types of phenazine derivatives, PCA and 2-OH-PCA. In addition, solid phase microextraction-gas chromatography–mass spectrometry (SPME-GC-MS) analysis identified 13 volatile organic compounds (VOCs) in the TSB culture of KNU17Pc1, 1-undecene being the most abundant volatile. Moreover, for the first time, Octamethylcyclotetrasiloxan (D4), dimethyl disulfide, 2-methyl-1,3-butadiene and 1-undecene were detected in P. chlororaphis. Furthermore, this study reported for the first time the effectiveness of P. chlororaphis to control BLSB of maize. Hence, further studies are necessary to test the effectiveness of KNU17Pc1 under different environmental conditions so that it can be exploited further for biocontrol and plant growth promotion.
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참고문헌 (67)
참고문헌 신청
Shiferaw B / 2011 / Crops that feed the world 6. Past successes and future challenges to the role played by maize in global food security / Food Security 3:307
Castiglioni P / 2008 / Bacterial RNA chaperones confer abiotic stress tolerance in plants and improved grain yield in maize under water-limited conditions / Plant Physiol 147:446~455
Ramachandiran K / 2016 / Abiotic factors(nitrogen and water)in maize : a review / Agric. Rev 37:317~324
Hooda KS / 2017 / Banded leaf and sheath blight of maize: historical perspectives, current status and future directions / Proc. Natl. Acad. Sci., India Sect. B Biol. Sci 87:1041~1052
Groth DE / 2006 / Initiation of rice sheath blight epidemics and effect of application timing of azoxystrobin on disease incidence, severity, yield, and milling quality / Plant Dis 90:1073~1076
Castiglioni P / 2008 / Bacterial RNA chaperones confer abiotic stress tolerance in plants and improved grain yield in maize under water-limited conditions / Plant Physiol 147:446~455
Ramachandiran K / 2016 / Abiotic factors(nitrogen and water)in maize : a review / Agric. Rev 37:317~324
Hooda KS / 2017 / Banded leaf and sheath blight of maize: historical perspectives, current status and future directions / Proc. Natl. Acad. Sci., India Sect. B Biol. Sci 87:1041~1052
Groth DE / 2006 / Initiation of rice sheath blight epidemics and effect of application timing of azoxystrobin on disease incidence, severity, yield, and milling quality / Plant Dis 90:1073~1076
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