Provided is a bipyridine compound that exhibits an excellent controlling effect against noxious arthropods. In particular, provided is a bipyridine compound of formula (I) or an N-oxide thereof in which the variable groups are as defined in the specification. Also provided are compositions containing the biypridine compound or an N-oxide thereof, and methods of using such compounds and compositions to control noxious arthropods.

##STR00001##

Provided is a bipyridine compound that exhibits an excellent controlling effect against noxious arthropods. In particular, provided is a bipyridine compound of formula (I) or an N-oxide thereof in which the variable groups are as defined in the specification. Also provided are compositions containing the biypridine compound or an N-oxide thereof, and methods of using such compounds and compositions to control noxious arthropods.

##STR00001##

Compounds of formula (I), wherein the substituents are as defined in claim 1, and the agrochemically acceptable salts, stereoisomers, enantiomers, tautomers and N-oxides of those compounds, can be used as insecticides.

##STR00001##

Compounds of formula (I), wherein the substituents are as defined in claim 1, and the agrochemically acceptable salts, stereoisomers, enantiomers, tautomers and N-oxides of those compounds, can be used as insecticides.

##STR00001##

This invention relates to the field of control of different fungal diseases in the agricultural industry. Specifically, the invention reports conjugates between biopolymers and a photoactivable agent, which when activated by light generates singlet oxygen, a species known for its antimicrobial capacity. The invention also relates to methods of production of these conjugates and their uses.

This invention relates to the field of control of different fungal diseases in the agricultural industry. Specifically, the invention reports conjugates between biopolymers and a photoactivable agent, which when activated by light generates singlet oxygen, a species known for its antimicrobial capacity. The invention also relates to methods of production of these conjugates and their uses.

The present invention relates to compounds of Formula (I), or an agronomically acceptable salt of said compounds wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are as defined herein. The invention further relates to herbicidal compositions which comprise a compound of Formula (I) and to the use of compounds of Formula (I) for controlling weeds, in particular in crops of useful plants.

##STR00001##

The present invention relates to compounds of Formula (I), or an agronomically acceptable salt of said compounds wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are as defined herein. The invention further relates to herbicidal compositions which comprise a compound of Formula (I) and to the use of compounds of Formula (I) for controlling weeds, in particular in crops of useful plants.

##STR00001##

The present invention relates to novel heteroaryl-substituted pyrazine derivatives of the general formula (I), in which the structural elements R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 have the meaning given in the description, to formulations and compositions comprising such compounds and for their use in the control of animal pests including arthropods and insects in plant protection and to their use for control of ectoparasites on animals.

##STR00001##

Compositions for improving plant health, the compositions comprising at least one water-soluble pesticide and at least one non-herbicidal water-insoluble agrochemical, are described. Also described are processes for preparing the compositions and methods of improving agronomic crop plant health using the compositions.