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Current Category » Practicals on Weed Managemet

Properties and Function of Herbicide – PMA, Propanil and Silvex

PMA (Phenyl Mercuric Acetate):

It is selective herbicide belonging to organomercurial group.

Dose             : 2.5 kg/ha.

Application     : Post Emergence.

Properties      : Wettable powder and granular form.

Propanil (Stam F 34):  (3, 4 Dichloro propionilide)

It is contact herbicide belonging to analide group.

Dose             : 3 to kg/ha.

Application     : Pose emergence.

Properties      : It is light brown solid controls Cyperus rotundus, Elustine spp.

Formulations : Emulsifiable liquid.

Silvex: (2, 4, 5 – Trichlorophenoxy Propionic acid):

Trade name 2, 4, 5 – T Propionic acid.  It is selective herbicide. 

Dose            : 0.5 to 2 kg/ha

Application   : Pre and Post Emergence. The action is very similar to that of 2, 4 – D.  It is solid, slightly Soluble in water. 

Controls       : Xanthium strumarium and many perennial broad Leaves weeds.  It is more effective against some bushed and difficult herbaceous weeds than 2, 4 – D.

Current Category » Practicals on Weed Managemet