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논문 기본 정보

자료유형
학술저널
저자정보
Fengying Luo (Sichuan Agricultural University) Hang Chen (Sichuan Agricultural University) Wenjian Wei (Sichuan Agricultural University) Han Liu (Ganzi Institute of Forestry Research) Youzhong Chen (Sichuan Guoguang Agrochemical) Shujiang Li (Sichuan Agricultural University)
저널정보
한국식물병리학회 The Plant Pathology Journal The Plant Pathology Journal 제40권 제1호
발행연도
2024.2
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1 - 15 (15page)

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The aim of this study was to isolate biocontrol bacteria that could antagonize brown rot of Dendrocalamus latiflorus, optimize the culture conditions, and develop an effective biocontrol preparation for brown rot of D. latiflorus. This study isolated a bacterium with an antagonistic effect on bamboo brown rot from healthy D. latiflorus rhizosphere soil. Morphology, molecular biology, and physiological biochemistry methods identified it as Bacillus siamensis. The following culturing media and conditions improved the inhibition effect of B. siamensis: the best culturing media were 2% sucrose, 1.5% yeast extract, and 0.7% potassium chloride; the optimal culturing time, temperature, pH, and inoculation amount were 48 h, 30℃, 6, and 20%. The optimum formula of the applying bacterial suspension was 14% sodium dodecyl benzene sulfonate emulsifier, 4% Na₂HPO₄·2H₂O, 0.3% hydroxypropyl methylcellulose thickener, and 20% B. siamensis. The pot experiment results showed the control effect of applying bacterial suspension, diluted 1,000 times is still better than that of 24% fenbuconazole suspension. The applying bacte¬rial suspension enables reliable control of brown rot in D. latiflorus.

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Materials and Methods
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