Described herein is a method of controlling the growth of undesirable vegetation weedy Spermacoce latifolia, the method including treating the locus at which control is desired with a synergistic composition including glufosinate combinations.

Described herein is a method of controlling the growth of undesirable vegetation weedy Spermacoce latifolia, the method including treating the locus at which control is desired with a synergistic composition including glufosinate combinations.

Described herein is a method of controlling the growth of undesirable vegetation weedy Brachiaria decumbens, the method including treating the locus at which control is desired with a synergistic composition including glufosinate.

Described herein is a method of controlling the growth of undesirable vegetation weedy Brachiaria decumbens, the method including treating the locus at which control is desired with a synergistic composition including glufosinate.

A compound represented by formula (I) or formula (II) has a pest control effect. (In the formulae, Q.sup.1 represents a pyrazine ring or the like; G.sup.1 represents a nitrogen atom or a carbon atom; X.sup.1 represents an alkyl group or the like; m represents the number of X.sup.1 moieties; A represents an oxygen atom or the like; Y represents a single bond or the like; Q.sup.2 represents a benzene ring or the like; X.sup.2 represents an alkyl group, an aryl group or the like; X.sup.3 represents a halogeno group or the like; n represents the number of X.sup.3 moieties; Z.sup.q- represents a counter ion; and q represents 1 or 2.)

##STR00001##

A compound represented by formula (I) or formula (II) has a pest control effect. (In the formulae, Q.sup.1 represents a pyrazine ring or the like; G.sup.1 represents a nitrogen atom or a carbon atom; X.sup.1 represents an alkyl group or the like; m represents the number of X.sup.1 moieties; A represents an oxygen atom or the like; Y represents a single bond or the like; Q.sup.2 represents a benzene ring or the like; X.sup.2 represents an alkyl group, an aryl group or the like; X.sup.3 represents a halogeno group or the like; n represents the number of X.sup.3 moieties; Z.sup.q- represents a counter ion; and q represents 1 or 2.)

##STR00001##

Herbicidal mixtures comprising an auxin herbicide and an adjuvant comprising a salt having a quaternary ammonium cation and/or a phosphonium cation are described. The adjuvant reduces the volatility of the auxin herbicide and/or counteracts the negative impact on the volatility of the auxin herbicide caused by the addition of a co-herbicide. Methods of preparing the herbicidal mixtures are also described.

Herbicidal mixtures comprising an auxin herbicide and an adjuvant comprising a salt having a quaternary ammonium cation and/or a phosphonium cation are described. The adjuvant reduces the volatility of the auxin herbicide and/or counteracts the negative impact on the volatility of the auxin herbicide caused by the addition of a co-herbicide. Methods of preparing the herbicidal mixtures are also described.

A system for making a holographic medium for use in generating light patterns for eye tracking includes a light source configured to provide light and a beam splitter configured to separate the light into a first portion of the light and a second portion of the light that is spatially separated from the first portion of the light. The system also includes a first set of optical elements configured to transmit the first portion of the light for providing a first wide-field beam onto an optically recordable medium and one or more diffractive optical elements configured to receive the second portion of the light and project a plurality of separate light patterns onto the optically recordable medium for forming the holographic medium.

A system for making a holographic medium for use in generating light patterns for eye tracking includes a light source configured to provide light and a beam splitter configured to separate the light into a first portion of the light and a second portion of the light that is spatially separated from the first portion of the light. The system also includes a first set of optical elements configured to transmit the first portion of the light for providing a first wide-field beam onto an optically recordable medium and one or more diffractive optical elements configured to receive the second portion of the light and project a plurality of separate light patterns onto the optically recordable medium for forming the holographic medium.