Role of inoculum density and incubation period on saprophytic behaviour of Rhizoctonia solani and Rhizoctonia bataticola
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Authors
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S. PANDEY, S.N. SRIVASTAVA, RAM JI LAL and R.C. TRIPATHI
Indian Institute of Sugarcane Research, Lucknow 226 002
Keywords:
Inoculum density, inoculum potential, saprophytic behaviour, Rhizoctonia solani, R. bataticolaAbstract
The competitive saprophytic ability of R. solani and R. bataticola [Macrophomina phaseolina] was investigated using the Cambridge method by employing two types of baits (wheat straw and sugarbeet hypocotyl pieces) in a sandy loam soil in laboratory tests. The competitive saprophytic colonization of these two baits by these two pathogens appreciably increased as the concentration of inoculum increased in the soil. The per cent colonization of baits was also influenced by the incubation period.
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