WEEDKILLER COMPOSITION FOR PADDY FIELD

摘要

PURPOSE:To obtain the subject weedkiller comprising S-(1-methyl-1-phenylethyl) piperidine-1-carbothioate, sulfonyl urea-based compound and O-(3-t-butylphenyl)- N-(6-methoxy-2-pyridyl)thiocarbamate. CONSTITUTION:The aimed weedkiller composition contains a compound expressed by formula I, methyl-2-{{{{[(4,6-dimethoxypyrimidin-2-yl) amino]carbonyl}amino}sulfonyl}methyl}benzoate expressed by formula II and a compound expressed by formula III in a weight ratio of 1:0.01-0.06:0.1-0.6. Each component of said weedkiller complements with each other against weed to be hardly controlled with each single component and said weedkiller exhibits high controlling effect against wide range of species of annual and perennial weeds with a very small spreading which is impossible to control weed in single component, and furthermore the weedcontrolling effect is kept for a long period of time without chemical injury to paddy rice. Using in initial stage of generation of weed within 7 days after transplanting is effective.