Evaluation on the Field Control Effect of Five Fungicides to Sheath Blight
Guangyan Chen
Abstract
Guangyan Chen
Abstract
Sheath blight,Thanatephorus cucumeris(Frank) Donk,is one of the three main rice disease.The field control effects of five fungicides have been examined in field tests.The results showed that Thiophanate-Methyl SC at the concentration of 500 g/L,Hexaconazole 30% SC,Carbendazim 40% SC,Thiophanate-Methyl 70% WP and Fenoxanil·Amistar 26% SC were effective fungicides to control sheath blight.Among the five fungicides,Fenoxanil·Amistar 26% SC was the best and the field control effect reached 78.15%.
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Sheath blight,Thanatephorus cucumeris(Frank) Donk,is one of the three main rice disease.The field control effects of five fungicides have been examined in field tests.The results showed that Thiophanate-Methyl SC at the concentration of 500 g/L,Hexaconazole 30% SC,Carbendazim 40% SC,Thiophanate-Methyl 70% WP and Fenoxanil·Amistar 26% SC were effective fungicides to control sheath blight.Among the five fungicides,Fenoxanil·Amistar 26% SC was the best and the field control effect reached 78.15%.
Key concepts: Hexaconazole, Fungicide, Sheath blight, Carbendazim, Blight, Biology, Agronomy, Disease control