Comparison of two antagonist Streptomyces spp. against Rhizoctonia solani causal agent of sugar beet damping-off
Publish place: 04th National Biotechnology Congress of Iran
Publish Year: 1384
Type: Conference paper
Language: English
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NBCI04_277
Index date: 20 January 2008
Comparison of two antagonist Streptomyces spp. against Rhizoctonia solani causal agent of sugar beet damping-off abstract
In present study two antagonist Streptomyces spp. (isolates S2 and C) have been assayed against three isolates of Rhizoctonia solani (Rs1, Rs2 and Rs3) causal agent of sugar beet damping-off. The in vitro antagonism assays showed that both isolates, S2 and C, have inhibitory effects on fungal mycelium growth. Isolate C was able to produce siderophore but isolate S2 can not. Both isolates showed chitinase activity on colloidal chitin agar. Soil treatment with each of these two biocontrol agents decreased severity of damping-off, increased seedling stand, shoot and root dry weight and root density significantly.
Comparison of two antagonist Streptomyces spp. against Rhizoctonia solani causal agent of sugar beet damping-off Keywords:
Comparison of two antagonist Streptomyces spp. against Rhizoctonia solani causal agent of sugar beet damping-off authors
Akram Sadeghi
Genomics Dep., Agricultural Biotechnology Research Institute of Iran (ABRII), Karaj.
Ali Reza Hessan
Plant diseases Lab., Plant Pests and Diseases Research Institute, Karaj
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