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General Information
- Methabenzthiazuron
belongs to the group of urea herbicide, which is used to control a
broad spectrum of broad-leaved weeds and grasses in winter corn,
spring wheat, grass seed and in nurseries.
- Methabenzthiazuron
inhibits the photosynthetic electron transport. It is a selective
herbicide that is primarily absorbed through the roots.
- Herbicide formulations
containing methabenzthiazuron have not previously been selected for
authority control.
Methods
- Methabenzthiazuron is
dissolved in or extracted with eluent and determined by normal phase
HPLC on a silica gel column with UV detection at 254 nm and external
standardisation.
- A microwave-assisted
solvent extraction (MASE) method for the determination of
methabenzthiazuron (MBT) in soil samples by HPLC-DAD (diode array
detection) was evaluated.
- MBT is slowly degraded
both in the laboratory and in the field (2–5), stability being
attributed to its rapid binding to the soil colloidal complex and
more specifically through the incorporation into relatively stable
humus components (i.e., humic acids and humins) as nonextractable
bound residues
Application
- Methabenzthiazuron is
used for the control of a spectrum of broad-leaved weeds and grasses
in cereals, legumes, maize, garlic and onions. It is used in
combination with other herbicides in vineyards and orchards.
- Metabolism of
methabenzthiazuron in rat involved hydroxylation of the side-chain
methyl and ring hydroxylation followed by sulfate ester conjugation.
Technology
- The power of
Ultraperformance light chromatography combined with fast MS
aquisition rates to give a rapid method for the screening and
confirmation of over 400 pesticide residues including
methabenzthiazuron in food.
- Applications of
thin-layer chromatography and high-performance thin-layer
chromatography for the separation, detection, and qualitative and
quantitative determination of pesticides, other agrochemicals, and
related compounds
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