Properties and Function of Herbicide – Paraquat and PCP

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Properties and Function of Herbicide – Paraquat and PCP

Paraquat (Gramoxone): 1.2 Dimcthyis 4-4 Bipyridium dichloride.

It is a contact non selective herbicide may be translocated to some extent.

More effective on grasses than broad leaved weeds.

Dose             : 1 to 2 Kg/ha

Application     : Post emergence.

Properties      : It is liquid but solid in pure state. Yellow in colour.

Controls        : All annual weeds and other plants.

Formulations  : Emulsifiable liquid.

PCP (Penta Chloro Phenyl):

It is contact and non selective herbicide.

Dose              : 2-15 kg/ha

Application     : Pre or post emergence. It is crystalline and pure white.Low solubilizing in water. It is registered for use as both pre and Post emergence spray. On potato, sugarcane rice.

Formulations   : Water soluble wettable powder and granule.

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