Abstract
In Vitro Evaluation of Bacterial Bioagents and Fungicides Efficiency against Rhizoctonia solani Isolates the Causal agent of Black Scurf Disease of Potato
Highlights
Rhizoctonia solani, is the most widely recognized species of the genus Rhizoctonia which originally first described by Julius Kühn on potato in 1858, which is one of the most prevalent and important soil borne fungal pathogen causing destruction of a wide range of economically important crops such as rice, wheat, tomato, potato etc. (Gull, 2008 and Murphy and Riley, 1962)
The bacterial antagonists P. fluorescens, B. subtilis showed inhibition in the mycelial growth ratios compared to control, though, inhibition ratios differed according to the bacterial isolates the R. solani tested isolates
The highest inhibition ratio was obtained by B. subtilis (74.10%) on isolate No.3 of R. solani, while, the lowest inhibition ratio was obtained on isolate No.5 of R. solani
Summary
Rhizoctonia solani, is the most widely recognized species of the genus Rhizoctonia which originally first described by Julius Kühn on potato in 1858, which is one of the most prevalent and important soil borne fungal pathogen causing destruction of a wide range of economically important crops such as rice, wheat, tomato, potato etc. (Gull, 2008 and Murphy and Riley, 1962). Rhizoctonia solani, is the most widely recognized species of the genus Rhizoctonia which originally first described by Julius Kühn on potato in 1858, which is one of the most prevalent and important soil borne fungal pathogen causing destruction of a wide range of economically important crops such as rice, wheat, tomato, potato etc. Biological control of soil borne diseases has been attracting attention. Gram-negative bacteria, especially Pseudomonas strains, have been intensively investigated as biological control agents with regard to the production of antimicrobial metabolites, genetic analysis and regulation of some metabolites, and ecological fitness of soil. Bacillus subtilis is considered to be a safe biological agent, but evaluation of Bacillus subtilis has focused primarily on the degree of disease suppression (Asaka and Shoda, 1996)
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