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Toxicity measurement of different fungicides on Rhizoctonia solani

Hui Jia

Abstract

Toxicity measurement of 6 fungicides on Rhizoctonia solani was studied by measuring growth rate of pathogen in vitro.The results showed that all of the 6 fungicides inhibited the growth of R.solani.Among them,Tolclofos methyl showed the best,EC50 was 0.042 mg/kg.Then was Carbendazim,EC50 was 0.044 mg/kg.A significant positive correlation was found between the fungicide concentration and inhibition.

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Key concepts: Fungicide, Rhizoctonia solani, Carbendazim, EC50, Toxicity, Biology, Growth inhibition, Chemistry