Identification of Antagonistic Bacteria, Pseudomonas aurantiaca YC4963 to Colletotrichum orbiculare Causing Anthracnose of Cucumber and Production of the Antibiotic Phenazine-1-carboxylic acid
Chae, H.J.;Kim, R.M.;Chung, Y.R.(Gyeongsang National University, Jinju, Republic of Korea)E-mail:[email protected] | Moon, S.S.(Kongju National University, Kongju, Republic of Korea) | Ahn, J.W.(Korea Maritime University, Busan, Republic of Korea)
A bacterial strain YC4963 with antifungal activity against Colletotrichum orbiculare, a causal organism of cucumber anthracnose was isolated from the rhizosphere soil of Siegesbeckia pubescens Makino in Korea. Based on physiological and biochemical characteristics and 16S ribosomal DNA sequence analysis, the bacterial strain was identified as Pseudomonas aurantiaca. The bacteria also inhibited mycelial growth of several plant fungal pathogens such as Botrytis cinerea, Fusarium oxysporum and Rhizoctonia solani on PDA and 0.1 TSA media.
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