PURPOSE: The titled composition, prepared by incorporating a thiol compound with two three types of triazine compounds, etc. as active constituents, capable of exterminating annual and perennial weeds accurately with a small amount of the chemicals with low toxicity to rice plants and fishes, and having extended periods suitable to the application of the chamicals.
CONSTITUTION: A herbicidal composition prepared by incorporating a thiolcarbamate compound of formula I (n is an integer 4W10), which is a nonhormonal migrative herbicide, known as a biosynthesis inhibitor for proteins, and exhibiting improved growth inhibition and killing action on Deccan grass by the treatment in the young bud period with a triazine compound of formula II (R is ethyl or isopropyl; R' is R or 1,2-dimethylpropyl) which is a photosynthesis inhibitor and capable of exhibiting high effects on annual broad-leaved weeds and a compound of formula III (n' is an integer 1W3; X is O or S) which is a plant hormone and if necessary 3-isopropyl-2,1,3-benzothiadiazin-4-one-2,2-dioxide which is a photosynthesis inhibitor as active constituents.
MISUMI TERUYUKI
UCHINO KAZUNARI
NAT FEDERATION AGRIC COOP ASS