期刊
BIOCONTROL SCIENCE AND TECHNOLOGY
卷 19, 期 9, 页码 985-991出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/09583150902912665
关键词
biocontrol; damping-off; root rot; Rhizoctonia solani; Streptomyces; sugar beet
A 3-year study was conducted to evaluate the effectiveness of two disease-suppressive Streptomyces spp. to control sugar beet Rhizoctonia solani damping off under field conditions. Streptomyces seed treatments reduced seedling damping off in naturally (2005) and artificially (2006 and 2007) infested soils. All biocontrol agents provided better efficacy than Vitavax to control seedling damping-off. There were no significant differences among Streptomyces isolates. Isolate C increased plant stand by 19.5, 50.5 and 53.75% in 2005, 2006 and 2007, respectively. Evaluation of final harvest revealed that the root yield of the biocontrol agents increased compared to untreated control in these years.
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