The invention relates to an organic ammonium salt of formula (I), wherein the symbols have the following meanings: A- is an anionic pesticide, R.sup.1 is H, C.sub.1C.sub.4-alkyl, CH.sub.2CH.sub.2OH or CH.sub.2CH(CH.sub.3)OH; R is H, CH.sub.3 or two adjacent radicals R together form a group —C(R′)— and R′ is equal to or different from H or CH.sub.3, wherein said salt is suitable for reducing the volatility of active substances in the spray application of anionic pesticides.

##STR00001##

The invention relates to an organic ammonium salt of formula (I), wherein the symbols have the following meanings: A- is an anionic pesticide, R.sup.1 is H, C.sub.1C.sub.4-alkyl, CH.sub.2CH.sub.2OH or CH.sub.2CH(CH.sub.3)OH; R is H, CH.sub.3 or two adjacent radicals R together form a group —C(R′)— and R′ is equal to or different from H or CH.sub.3, wherein said salt is suitable for reducing the volatility of active substances in the spray application of anionic pesticides.

##STR00001##

The invention relates to an organic ammonium salt of formula (I), wherein the symbols have the following meanings: A- is an anionic pesticide, R.sup.1 is H, C.sub.1C.sub.4-alkyl, CH.sub.2CH.sub.2OH or CH.sub.2CH(CH.sub.3)OH; R is H, CH.sub.3 or two adjacent radicals R together form a group —C(R′)— and R′ is equal to or different from H or CH.sub.3, wherein said salt is suitable for reducing the volatility of active substances in the spray application of anionic pesticides.

##STR00001##

Disclosed herein are compositions comprising florpyrauxifen, an agriculturally acceptable salt or ester thereof, or combinations thereof, and a second herbicide, wherein the compositions are safened for use on white clover. The second herbicide may be selected from 2,4-D, amidosulfuron, saflufenacil, an agriculturally acceptable salt or ester thereof, or combinations thereof.

Disclosed herein are compositions comprising florpyrauxifen, an agriculturally acceptable salt or ester thereof, or combinations thereof, and a second herbicide, wherein the compositions are safened for use on white clover. The second herbicide may be selected from 2,4-D, amidosulfuron, saflufenacil, an agriculturally acceptable salt or ester thereof, or combinations thereof.

A composition including (a) at least one (thio)phosphoric acid triamide (T) according to the general formula (Ia)

R.sup.a1R.sup.a2N—P(X)(NH.sub.2).sub.2  (Ia)

wherein X is oxygen or sulfur; R.sup.a1 is a C.sub.1 to C.sub.20 alkyl, C.sub.3 to C.sub.20 cycloalkyl, C.sub.6 to C.sub.20 aryl, or dialkylaminocarbonyl group; R.sup.a2 is H; or R.sup.a1 and R.sup.a2 together with the nitrogen atom linking them define a 5- or 6-membered saturated or unsaturated heterocyclic radical, which optionally comprises 1 or 2 further heteroatoms selected from the group consisting of nitrogen, oxygen, and sulfur; and (b) at least one specific herbicide.

A composition including (a) at least one (thio)phosphoric acid triamide (T) according to the general formula (Ia)

R.sup.a1R.sup.a2N—P(X)(NH.sub.2).sub.2  (Ia)

wherein X is oxygen or sulfur; R.sup.a1 is a C.sub.1 to C.sub.20 alkyl, C.sub.3 to C.sub.20 cycloalkyl, C.sub.6 to C.sub.20 aryl, or dialkylaminocarbonyl group; R.sup.a2 is H; or R.sup.a1 and R.sup.a2 together with the nitrogen atom linking them define a 5- or 6-membered saturated or unsaturated heterocyclic radical, which optionally comprises 1 or 2 further heteroatoms selected from the group consisting of nitrogen, oxygen, and sulfur; and (b) at least one specific herbicide.

A composition including (a) at least one (thio)phosphoric acid triamide (T) according to the general formula (Ia)

R.sup.a1R.sup.a2N—P(X)(NH.sub.2).sub.2  (Ia)

wherein X is oxygen or sulfur; R.sup.a1 is a C.sub.1 to C.sub.20 alkyl, C.sub.3 to C.sub.20 cycloalkyl, C.sub.6 to C.sub.20 aryl, or dialkylaminocarbonyl group; R.sup.a2 is H; or R.sup.a1 and R.sup.a2 together with the nitrogen atom linking them define a 5- or 6-membered saturated or unsaturated heterocyclic radical, which optionally comprises 1 or 2 further heteroatoms selected from the group consisting of nitrogen, oxygen, and sulfur; and (b) at least one specific herbicide.

Methods and compositions for synergistic pre-emergent and post-emergent weed control are disclosed. In particular, the present disclosure relates to an herbicidal composition comprising at least one pre-emergent herbicide and at least one post-emergent herbicide, wherein the pre-emergent herbicide and the post-emergent herbicide synergistically inhibit pre-emergent and post-emergent development of a weed. The disclosure further relates to herbicidal compositions comprising isoxaben, 2,4-D, mecoprop-P, and dicamba.

Methods and compositions for synergistic pre-emergent and post-emergent weed control are disclosed. In particular, the present disclosure relates to an herbicidal composition comprising at least one pre-emergent herbicide and at least one post-emergent herbicide, wherein the pre-emergent herbicide and the post-emergent herbicide synergistically inhibit pre-emergent and post-emergent development of a weed. The disclosure further relates to herbicidal compositions comprising isoxaben, 2,4-D, mecoprop-P, and dicamba.