TY  - SER
AU  - Zhang,Y.
AU  - Su,P.
AU  - Wang,C.
AU  - Liao,X.
TI  - Identification of a novel broad-spectrum anti-fungal strain of Pseudomonas aeruginosa (SU8) and effect of its crude metabolites against Rhizoctonia solani and Pyricularia oryzae
KW  - Pseudomonas aeruginosa
KW  - Pyricularia oryzae
KW  - Rhizoctonia solani
N1  - Includes references
N2  - The objective of this study was to evaluate the potential applications of the antagonistic bacterium SU8 for biocontrol of plant diseases. In this study, the bacterial stain SU8 showed high anti-fungal activity and characterized using morphological, physiological, biochemical tests, sequencing of 16S rDNA genes, and phylogenetic analysis. Its crude metabolites as ferment filtrate was evaluated for its inhibitory effect on the pathogenicity of Rhizoctonia so/ani and Pyricularia oryzae on rice, and several verification experiments were conducted to evaluate its efficacy for controlling infection. The antagonistic bacteria SU8 was identified to be Pseudomonas aeruginosa and was registered in GenBank with a record number ofHQ283487. Immersion treatment of Rhizoctonia solani and Pyricularia oryzae with SU8 crude metabolites in fermented filtrate demonstrated a superior paLhogenicity-reducing effect on the pathogens infected rice, as demonstrated by a reduction in the plaque size on leaves infected with Rhizoctonia so/ani and Pyricularia myzae by 0.4%-63.6%, 0.5%-58.3%, respectively. Furthermon:, the lesion sizes were further reduced with increased soaking time and higher concentrations of the fermented filtrate. Spore germination of P oryzae was inhibited (EC50 = 548.3457 Ug/mL), but its toxicity was lower than that of Tricyclazole
UR  - http://nile.enal.sci.eg/EALE/2015/EJBPC/2515/2/295.pdf
ER  -