Abstract: There are provided novel substituted aniline intermediates, useful in the synthesis of certain substituted N-nitroanilines or salts thereof which may be used to elicit several desirable and advantageous biological responses in plants.

Abstract: There are provided di- tri- and tetrasubstituted N-nitroaniline compounds and inorganic and organic salts thereof which are effective for increasing axillary branching, improving canopy and enhancing flowering of herbaceous ornamental plants and graminaceous crops, leguminous crops, cotton and sunflowers. The salts are also effective as yield enhancing agents and lodging inhibitors for the crops.

Abstract: There are provided certain substituted phenylalkoxy-phenylurea compounds, methods for the preparation thereof, and methods for the selective control of dicotyledonous and certain monocotyledonous plants in the presence of agronomic crops.

Abstract: There are provided certain p-phenylalkoxy phenylurea and thiourea compounds useful for the control of undesirable plants in the presence of agronomic crops and to methods for the preparation of said phenylalkoxy phenylurea and thiourea compounds.

Abstract: There are provided certain p-phenylalkoxy phenylurea and thiourea compounds useful for the control of undesirable plants in the presence of agronomic crops and to methods for the preparation of said phenylalkoxy phenylurea and thiourea compounds.

Abstract: This invention relates to novel (alkenyloxy), (alkynyloxy) and (cyanoalkoxy) alkoxyphenyl ureas and their use as herbicidal agents.

Abstract: The present invention relates to novel methods for the protection of agricultural crops against plant pathogenic fungi comprising applying to the foliage of said crops a fungicidally effective amount of a compound selected from certain substituted phenylnitramines and certain novel salts of 2,3,5,6-tetrachlorophenylnitramine.The present invention further relates to certain novel substituted phenylnitramine and certain novel salts of 2,3,5,6-tetrachlorophenylnitramine and methods of preparation thereof.

Abstract: There are provided substituted imidazo[1,5-d]-as-triazin-4-ols, useful as herbicides for the pre- and postemergence control of undesired mono- and dicotyledonous plants.

Abstract: This invention relates to herbicidal pyrazolidine compounds, to a method of preparing the same by the reduction of either a pyrazolium or a pyrazolinium salt.

Abstract: There are provided 1,2-dialkyl-3,4,5-trisubstituted pyrazolium salts which are useful as herbicidal agents as well as a method for the preparation of the said pyrazolium salts.

Abstract: This invention relates to novel (alkenyloxy), (alkynyloxy) and (cyanoalkoxy) alkoxyphenyl ureas and their use as herbicidal agents.

Abstract: This invention relates to novel (alkenyloxy), (alkynyloxy) and (cyanoalkoxy) alkoxyphenyl ureas and their use as herbicidal agents.

Abstract: There are provided 1,2-dialkylpyrazolium compounds having positioned thereon a 3- or 5-substituted nitrogen-containing heterocyclic group or 3,5-disubstituted nitrogen-containing heterocyclic groups as well as a method for preparing the same. There is also provided a method for the control of undesirable plant species with the above-identified compounds.

Abstract: There are provided novel pyrazole intermediates for the preparation of 1,2-dialkyl-3,4,5-trisubstituted pyrazolium salts which are useful as herbicidal agents.

Abstract: There are provided certain novel 1,2-dimethyl pyrazolium compounds having nitrogen containing substituents in the 3 or 5 position, and to both a method for controlling plant pathogenic fungi with said compounds and a method for protecting plants from an attack by fungi by applying to the foliage of plants a fungicidally effective amount of said compound.

Abstract: There are provided 1,2-dialkylpyrazolium compounds having positioned thereon a 3- or 5-substituted nitrogen-containing heterocyclic group or 3,5-disubstituted nitrogen-containing heterocyclic groups as well as a method for preparing the same. There is also provided a method for the control of undesirable plant species with the above-identified compounds.

Abstract: This invention provides for novel benzophenone ureas, a method for preparing the same, and a method for controlling undesirable broadleaf weeds and grasses therewith, wherein said benzophenone is represented by the generic formula: ##STR1## where A and B each represent hydrogen, methyl, halogen, trifluoromethyl, or methoxy; R.sub.1 and R.sub.2 are taken singly or in combination and represent hydrogen, lower alkyl, alkoxy, alkoxy, alkoxyalkyl, cycloalkyl, cyclohetero, loweralkylamino, lower alkenyl or lower alkynyl, with the proviso that A is either meta or para to the --NH--CO--NR.sub.1 R.sub.2 substituent.

Abstract: This invention relates to pyrazolidine compounds, to a method for preparing the same by the reduction of either a pyrazolium or a pyrazolinium salt, and to a method for controlling undesirable plant species therewith.

Abstract: There is provided a method for the preemergence and postemergence control of undesirable plant species by the application of a herbicidally effective amount of a 1,2,4-trialkyl disubstituted pyrazolium salt to the foliage of said undesirable plant species, and to soil containing seeds thereof.

Abstract: This invention provides for 1,2-dialkyl-3,5-disubstituted and -3,4,5-trisubstituted pyrazolinium salts, a method for the preparation of the said compounds, and a method for controlling undesirable plant species therewith.