2014•Journal of Yangtze UniversityRequires access

Toxicity Comparision of Eight Kinds of Fungicides against Rice Sheath Blight Disease Indoor

AI Shuan

Abstract

In order to select fungicides which have good control effect against Rhizoctonia solani,the bacteriostatic effects of 8kinds fungicides to Rhizoctonia solani were determined indoor by mycelium growth rate method.The results showed that the bacteriostatic effects of Fluazinam,Tebuconazole,Iprodione were better;their EC50were 0.0574,0.1804mg/L and 0.6613mg/L respectively,followed by Difenoconazole,Imazalil and Cyprodinil,their EC50being 1.1022,2.535,5.7905mg/L respectively.The bacteriostatic effect of Thiophonate-methyl,Hymexazol were relatively poor;their EC50were 8.7039,11.7151mg/L respectively.

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Key concepts: Iprodione, Fungicide, Rhizoctonia solani, Tebuconazole, Mycelium, Sheath blight, Horticulture, Biology