Acute Toxic Agents
These are toxicants that cause severe to moderately severe adverse effects on single exposure. The effects are oftentimes seen within hrs or few days after exposure.
PYRAZOLE HERBICIDES
Toxicology Pyrazole herbicides pyrazolate and pyrazoxyfen have been widely used for annual and perennial weed control in paddy rice. other pyrazole herbicides include azimsulfuron cyclopyranil difenzoquat halosulfuron metazachlor metazosulfuron pyraclonil …
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The first sulfonylurea herbicides were introduced in 1982 and have been used for control of broadleaf weeds and grasses. These herbicides act by disrupting protein synthesis via inhibition of acetolactate …
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Amidosulfuron is a sulfonylurea herbicide. Amidosulfuron has low acute oral toxicity by oral, dermal and inhalational route (Oral/dermal LD50 > 5000 mg/kg bw) (ECHA, 2012). It is not irritating to …
Read MoreThiobencarb
Thiobencarb is a systemic, pre-emergence herbicide that acts by inhibiting shoots of emerging seedlings. It is used to control grasses, sedgeand broadleaf weeds in food crops such as rice (represents …
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