Terbutryn

 

Specification

Active Ingredient         98%min

Appearance                 White powder

 

Physical and chemical properties


Chemical Name           N-(1,1-dimethylethyl)-N'ethyl-6-(methylthio)-=1,3,5-triazine-2,4-diamine

Molecular Formula       C10H19N5S

N.W.                               241.4

Structural Formula      

                                                 

Melting point               100-104°C

Vapor pressure           0.225 m Pa (25 °C ) 

  

Application

Terbutryn is a selective herbicide, absorbed by the roots and foliage, with translocation acropetally through the xylem, and accumulation in the apical meristems.

Used pre-emergence in winter cereals at 1-2 kg a. i. / ha to control blackgrass and annual meadow grass. Among the autumn-germinating broad-leaved weeds controlled are chickweed, mayweed, poppies and speedwell, but cleavers are rather resistant. Other pr-emergence uses are on sugar cane and sunflowers, and , in mixture with terbuthylazine, on beans, peas and potatoes. In mixture with metolachlor, used in cotton and peanuts. Also used post-emergence. (0.2-0.4 kg/ha) in cereals, (1-3 kg/ha) in sugar cane, and as a directed spray in waterways, reservoirs and fish ponds.



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