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Abstract

Effect of rice Rhizoctonia solani Kuhn infection on the biomass of different Azolla species.

Abstract

R. solani infected all 7 species of Azolla tested. The degree of susceptibility, and the ability to recover, varied among the Azolla species. A. microphylla and A. pinnata were highly susceptible to R. solani, and A. filiculoides was less susceptible to infection. The ability to recover (in terms of biomass) was highest in A. filiculoides and A. caroliniana. A. microphylla was highly susceptible to infection, and did not recover.