Herbicidal composition comprising of phenylpyrazoline and Triazinone compounds

1 . A synergistic herbicidal composition consisting of:

pinoxaden in an amount of 1% to 10% w/w/;

metribuzin in an amount of 5% to 20% w/w;

at least one herbicide compound selected from the group consisting of isoproturon and metsulfuron methyl in an amount of 0.1% to 60% w/w; and

one or more excipients.

2 . The composition as claimed in claim 1 , wherein:

isoproturon is preferably present in an amount of 10% to 60% w/w; and

metsulfuron methyl is present in an amount of 0.1% to 45% w/w.

3 . The composition as claimed in claim 1 , wherein the composition is selected from a group consisting of:

pinoxaden present in an amount of 4.5% w/w, metribuzin present in an amount of 17.5% w/w, and isoproturon present in an amount of 40% w/w, and one or more excipients; and

pinoxaden present in an amount of 4.5% w/w, metribuzin present in an amount of 17.5% w/w, and metsulfuron methyl present in an amount of 0.4% w/w, and one or more excipients.

4 . The composition as claimed in claim 1 , wherein the composition is formulated as a capsule suspension (CS), a dispersible concentrate (DC), a dustable powder (DP), a powder for dry seed treatment (DS), an emulsifiable concentrate (EC), an emulsifiable granule (EG), an emulsion water-in-oil (EO), an emulsifiable powder (EP), an emulsion for seed treatment (ES), an emulsion oil-in-water (EW), a flowable concentrate for seed treatment (FS), granules (GR), a micro-emulsion (ME), an oil-dispersion (OD), an oil miscible flowable concentrate (OF), an oil miscible liquid (OL), an oil dispersible powder (OP), a suspension concentrate (SC), a suspension concentrate for direct application (SD), a suspo-emulsion (SE), a water soluble granule (SG), a soluble concentrate (SL), a spreading oil (SO), a water soluble powder (SP), a water soluble tablet (ST), an ultra-low volume (ULV) suspension, a tablet (TB), an ultra-low volume (ULV) liquid, a water dispersible granules (WG), a wettable powder (WP), a water dispersible powder for slurry seed treatment (WS), a water dispersible tablet (WT), a mixed formulation of CS and SC (ZC), a mixed formulation of CS and SE (ZE), or a mixed formulation of CS and EW (ZW).

5 . The composition as claimed in claim 4 , wherein the composition is formulated as WP or WG.

6 . The composition as claimed in claim 1 , wherein the excipient is selected from the group consisting of:

a dispersing agent present in an amount of 1% to 10% w/w;

a wetting agent present in an amount of 1% to 10% w/w;

a disintegrating agent present in an amount of 1% to 10% w/w;

a defoamer agent present in an amount of 0.1% to 5% w/w; and

a filler present in a sufficient amount.

7 . The composition as claimed in claim 6 , wherein:

the dispersing agent is selected from the group consisting of sodium salt of naphthalene sulphonate condensate, sulfonated aromatic polymer sodium salt, sodium polycarboxylate, ethanesulfonic acid 2-[methyl [(9Z)-1-oxo-9-octadecenyl]amino]-sodium salt, sodium 2-(methyloleoylamino) ethane-1-sulphonate, amine salt of phosphate tristyryl phenol ethoxylated, acrylic copolymer, graft copolymer, salt of naphthalene sulphonate, naphthalene sulfonate formaldehyde condensate, phosphate ester, salt of polycarboxylate, alcohol block copolymer, ethoxylated polyarylphenol phosphate ester, and a combination thereof;

the wetting agent is selected from the group consisting of sodium lauryl sulphate, sodium alkyl naphthalene sulfonate blend, sodium alkylnaphthalenesulfonate, sodium isopropyl naphthalene sulfonate, sodium dioctylsulfosuccinate, ethoxylated polyarylphenol phosphate ester, dioctyl sulphosuccinate, non-ionic ethoxylate, and a combination thereof;

the disintegrating agent is selected from the group consisting of sodium sulphate, ammonium sulphate, sodium bicarbonate, lactose, and a combination thereof;

the defoamer is selected from the group consisting of silicon emulsion, dimethyl polysiloxane emulsion, polysiloxane emulsion, and a combination thereof; and

the filler is selected from the group consisting of silica, china clay, and a combination thereof.

8 . The composition as claimed in claim 2 , wherein:

isoproturon is present in an amount of 40% to 60% w/w; and

metsulfuron methyl is present in an amount of 0.1% to 2% w/w.