Control Efficiency of Six Typies of Fungicides against Sheath Blight and False Smut
Pan Zhan-shen
Abstract
Pan Zhan-shen
Abstract
Conrol efficiency of 6 typies of fungicides against sheath blight and false smut of rice was studied. Results indicated that great control efficiency against sheath blight of rice was showed in 5 medicaments, which were 24% validamycin AAS, 28% validamycin ASP, 240 g/L Thifluzamide SC, 10% hexaconazole SC and 30% benzyl﹒propiconazole EC, while 41% methyl-sulfur. tebuconazole SC showed slightly control effects on sheath blight of rice. The great control efficiency against false smut of rice was showed in 24% validamycin AAS, and 28% validamycin ASP when the False Smut of rice was with medium occurrence. 30% benzyl﹒propiconazole EC and 41% methyl-sulfur﹒tebuconazole SC showed good effects on false smut of rice, while 240 g/L thifluzamide SC showed slightly control effect on false smut of rice.
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Conrol efficiency of 6 typies of fungicides against sheath blight and false smut of rice was studied. Results indicated that great control efficiency against sheath blight of rice was showed in 5 medicaments, which were 24% validamycin AAS, 28% validamycin ASP, 240 g/L Thifluzamide SC, 10% hexaconazole SC and 30% benzyl﹒propiconazole EC, while 41% methyl-sulfur. tebuconazole SC showed slightly control effects on sheath blight of rice. The great control efficiency against false smut of rice was showed in 24% validamycin AAS, and 28% validamycin ASP when the False Smut of rice was with medium occurrence. 30% benzyl﹒propiconazole EC and 41% methyl-sulfur﹒tebuconazole SC showed good effects on false smut of rice, while 240 g/L thifluzamide SC showed slightly control effect on false smut of rice.
Key concepts: Tebuconazole, Propiconazole, Fungicide, Sheath blight, Smut, Hexaconazole, Blight, Biology