The present invention provides compounds and herbicidal compositions comprising thereof. Further, use of herbicidal compositions or kit for controlling plant growth is also provided.

The invention relates to the field of pesticide technology, and in particular a type of substituted 1,2,4-triazolo[4,3-a]pyridine derivatives, preparation method, herbicidal composition and use thereof. A substituted 1,2,4-triazolo[4,3-a]pyridine derivative, as shown in Formula I:

##STR00001##

wherein, Q represents

##STR00002##

X and Z each independently represent hydrogen, halogen, cyano or nitro, etc.; Y represents hydrogen, halogen, formyl, cyanoalkyl; or an alkyl, alkenyl or alkynyl, each of which contains or does not contain a halogen, etc. The compound and its composition have excellent herbicidal activity and higher crop safety, especially good selectivity for key crops such as rice.

The invention relates to an agrochemical composition comprising a compound of formula (I) [R-(A).sub.x-OSO.sub.3.sup.−]-M.sup.+ (I); wherein M.sup.+ is a monoethanolammonium cation, and wherein the further variables have a meaning as defined herein. It also relates to an adjuvant solution comprising said compound of formula (I) and an organic solvent. Other objects are a compound of formula (I), wherein R is a linear alkyl and M.sup.+ is ethanolammonium and wherein the other variables have a meaning as defined herein; and a method of controlling undesired vegetation, and/or for regulating the growth of plants, wherein the agrochemical composition is allowed to act on the respective pests, their environment, or the crop plants to be protected from the respective pest, on the soil and/or on the crop plants and/or on their environment.

The invention relates to an agrochemical composition comprising a compound of formula (I) [R-(A).sub.x-OSO.sub.3.sup.−]-M.sup.+ (I); wherein M.sup.+ is a monoethanolammonium cation, and wherein the further variables have a meaning as defined herein. It also relates to an adjuvant solution comprising said compound of formula (I) and an organic solvent. Other objects are a compound of formula (I), wherein R is a linear alkyl and M.sup.+ is ethanolammonium and wherein the other variables have a meaning as defined herein; and a method of controlling undesired vegetation, and/or for regulating the growth of plants, wherein the agrochemical composition is allowed to act on the respective pests, their environment, or the crop plants to be protected from the respective pest, on the soil and/or on the crop plants and/or on their environment.

The present invention relates to compounds represented by formula (I) (in the formula, R.sup.1 represents, e.g., a substituted or unsubstituted C1-6 alkyl group, R.sup.2 represents a group represented by R.sup.a—CO—O—CR.sup.b.sub.2— or a group represented by R.sup.aO—CO—O—CR.sup.b.sub.2—, each R.sup.a independently represents a substituted or unsubstituted C1-6 alkyl group, each R.sup.b independently represents a hydrogen atom or a substituted or unsubstituted C1-6 alkyl group, R.sup.3 represents, e.g., a hydrogen atom, and Q represents, e.g., a substituted or unsubstituted phenyl group), or salts thereof, and herbicides comprising at least one selected therefrom as an effective component.

##STR00001##

A composition containing diaminomethanal complexes with C.sub.1 to C.sub.3 carboxylic acids. The composition can be made into a solution by adding water. The solution can be applied to plants and/or soil.

Provided are a herbicidal composition having excellent control effect on weeds and a method for controlling weeds. The herbicidal composition comprising one or more PPO-inhibiting herbicides selected from the group consisting of flumioxazin, flumiclorac-pentyl, lactofen, carfentrazone-ethyl, sulfentrazone, tiafenacil, trifludimoxazin, and a compound represented by the following formula (I):

##STR00001##

wherein X represents CH or a nitrogen atom, and Z represents CH or a nitrogen atom, and glufosinate or a salt thereof, wherein a weight ratio of the PPO-inhibiting herbicide to the glufosinate or a salt thereof is 1:150 to 1:700.

The present invention provides a method which exerts excellent control effect in controlling weeds. The method for controlling weeds, which comprises a step of performing a spot treatment of clethodim in a cultivation area of soybean, cotton, sugar beet, rapeseed or sunflower.

The present invention provides a method which exerts excellent control effect in controlling weeds. The method for controlling weeds, which comprises a step of performing a spot treatment of clethodim in a cultivation area of soybean, cotton, sugar beet, rapeseed or sunflower.

A formulation includes a water-soluble salt of 2,4-dichlorophenoxyacetic acid; and 2.5 wt % to 10 wt % of a carrier fluid based on a total weight of the formulation. The carrier fluid includes 0.5 wt % to 5 wt % of solvent based on a total weight of the formulation, wherein the solvent is selected from the group consisting of ethylene glycol mono butyl ether, diethylene glycol monobutyl ether, dipropylene glycol monomethyl ether and combinations thereof; and 0.5 wt % to 5 wt % of a polyalkylene glycol monoalkyl ether surfactant based on a total weight of the formulation.