Abstract: This invention relates to novel compounds of Formula I which are sulfonamides, agricultural compositions containing them and the method of using them as pre- and post-emergence herbicides and/or plant growth regulants.

Abstract: The subject matter of this invention is the use of propanoic esters of the following structural formula: ##STR1## wherein R is an alkyl group having 10 to 16 atoms to increase the recoverable sugar in sugarcane.

Abstract: Herbicidal compositions based on neburon.These are concentrated aqueous suspensions containing, in addition to neburon and the usual wetting, dispersing and thickening adjuvants, a stabilizer of the formula: ##STR1## in which: X, Y and Z are identical or different and are H, halogen or C.sub.1 -C.sub.4 -alkyl and R is C.sub.1 -C.sub.3 -alkyl.The compositions can be used for selectively killing weeds in crops.

Abstract: When applied as safeners, the haloacylaminoalkylphosphinates, haloacylaminoalkylphosphinates and haloacylaminoalkylphosphine oxides of the formula I below are able to protect cultivated plants from the phytotoxic effects of herbicides. Suitable crops are preferably sorghum, cereals, rice, maize and soya beans and the herbicides employed are chloroacetanilides and thiocarbamates.The haloacylaminoalkylphosphonates, haloacylaminoalkylphosphinates and haloacylaminoalkylphosphine oxides have the formula I ##STR1## wherein R.sub.1 is C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.2 -C.sub.4 alkenyloxy, C.sub.2 -C.sub.4 alkynyloxy, C.sub.1 -C.sub.4 haloalkyl, C.sub.2 -C.sub.8 alkoxyalkoxy or C.sub.1 -C.sub.4 cyanoalkoxy,R.sub.2 is hydrogen or a substitutent as defined for R.sub.1,R.sub.3 and R.sub.4 are each independently hydrogen, C.sub.1 -C.sub.4 alkyl or one of R.sub.3 and R.sub.4 is also a radical ##STR2## or both taken together with the carbon atom to which they are attached are also a C.sub.3 -C.sub.

Abstract: Disclosed are derivatives of 3-aryl-5,6-dihydro-1,4,2-oxathiazines and their oxides for use as herbicides, fungicides, plant dessicants and defoliants in agricultural and biocidal applications. Also disclosed are methods of making these compounds.

Abstract: Phenylpyrimidines of the formula I as defined below are suitable as antidotes for protecting cultivated plants from phytotoxic effects caused by herbicides. These antidotes, either together with the herbicides or also by themselves, are applied to the plants or incorporated in the soil in which the plants grow, or they are used to treat the seeds of the plants. Suitable herbicides are those belonging to the class of the haloacetanilides, haloacetamides, thiocarbamates, carbamates, nitroanilides, triazines, phenylureas, haloacetic acids, phenoxy- and pyridyloxyphenoxyalkanecarboxylic acid derivatives, benzoic acid derivatives etc. The phenylpyrimidines have the formula I ##STR1## wherein for example, R.sub.1 and R.sub.3 are halogen.

Abstract: This invention relates to novel herbicidal compositions containing (i) a herbicidally effective amount of a herbicidal compound selected from atrazine [2-chloro-4-(ethylamino)-6-(isopropylamino)S-triazine] and cyanazine [2-chloro-4-(1-cyano-1-methylethylamino)-6-ethylamino-S-triazine] and (ii) an antidotally effective amount of an antidotal compound having the formula ##STR1## wherein R, R.sub.1 and R.sub.2 are as defined herein. This invention also relates to methods for protecting cotton plants from injury due to conventional herbicides and for the selective control of undesirable vegetation in cotton crops by application of the novel herbicidal compositions.

Abstract: Mixtures of an acetanilide derivative and a triazole derivative are found to have surprising efficacy in suppressing seed head development in turf grasses.

Abstract: The soil life of herbicidally active thiolcarbamates is extended by employing in combination therewith certain organophosphorus compounds having the formula 3 ##STR1## in which R.sup.4 is selected from the group consisting of C.sub.1 -C.sub.4 alkyl and C.sub.1 -C.sub.4 alkoxy; R.sup.5 is selected from the group consisting of C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkylthio, C.sub.2 -C.sub.4 alkenylthio and C.sub.2 -C.sub.4 alkynylthio; R.sup.6 is selected from the group consisting of hydrogen , C.sub.1 -C.sub.10 alkyl, C.sub.5 -C.sub.7 cycloalkyl and phenyl; and R.sup.7 is selected from the group consisting of C.sub.2 -C.sub.4 alkenyl, C.sub.1 -C.sub.10 alkoxy, C.sub.1 -C.sub.10 alkylthio, C.sub.2 -C.sub.6 alkynoxy, C.sub.2 -C.sub.5 carbalkoxy, phenyl, phenoxy, (C.sub.1 -C.sub.3 alkoxy)phenyl, benzyl and benzyloxy, all optionally substituted with up to two halogen atoms.

Abstract: The subject matter of this invention is the use of 2,4-dichlorophenoxyethyl 2-[4-(3,5-dichloropyridin-2-yloxy)phenoxy]propanoate as a sugarcane ripener.

Abstract: The soil life of herbicidally active thiocarbamates is extended by employing in combination therewith certain organophosphorus compounds having the formula ##STR1## in which R.sup.4 is selected from the group consisting of cyclohexyl and phenyl; R.sup.5 is selected from the group consisting of C.sub.1 -C.sub.4 alkyl and C.sub.1 -C.sub.4 alkoxy; and R.sup.6 is selected from the group consisting of C.sub.3 -C.sub.6 alkoxy, diallylamino, and --NHR.sup.7 where R.sup.7 is C.sub.3 -C.sub.8 alkoxyalkyl.

Abstract: Herbicidally active thiolcarbamates are employed in combination with certain organophosphorus compounds having the formula ##STR1## in which R.sup.4 is selected from the group consisting of C.sub.1 -C.sub.4 alkyl and C.sub.1 -C.sub.4 alkoxy; R.sup.5 is selected from the group consisting of C.sub.1 -C.sub.4 alkoxy and C.sub.2 -C.sub.4 alkynylthio; R.sup.6 is C.sub.1 -C.sub.4 alkylene; R.sup.7 is selected from the group consisting of methyl and phenyl, X is oxygen or sulfur; Y is oxygen or sulfur; m is zero or one; and n is zero or one. As a result, the herbicidal effectiveness of the thiocarbamate is enhanced and prolonged, rendering a single application of the herbicide effective over a longer period of time.

Abstract: This invention relates to a new class of organic chemical compounds. More particularly, this invention is concerned with amido and hydrazido derivatives of N-phosphinothioylmethylglycine esters. This class of compounds has been found to be useful as herbicides.

Abstract: The soil life of herbicidally active thiocarbamates is extended by employing in combination therewith certain organophosphorus compounds having the formula ##STR1## in which R.sup.4 is C.sub.1 -C.sub.4 alkyl, R.sup.5 is selected from the group consisting of C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 cyanoalkylthio, and C.sub.1 -C.sub.4 alkylamino; R.sup.6 is selected from the group consisting of hydrogen, methyl, and carbomethoxy; R.sup.7 is selected from the group consisting of hydrogen and chlorine; and X is oxygen or sulfur.

Abstract: Herbicidally active thiolcarbamates are employed in combination with certain organophosphorus compounds having the formula ##STR1## in which R.sup.4 is selected from the group consisting of C.sub.1 -C.sub.3 alkyl, C.sub.1 -C.sub.4 alkoxy, and C.sub.1 -C.sub.4 alkylthio, R.sup.5 is selected from the group consisting of hydrogen and C.sub.1 -C.sub.4 alkyl, R.sup.6 is selected from the group consisting of hydrogen, C.sub.1 -C.sub.4 alkyl, and C.sub.2 -C.sub.4 alkoxyalkyl, R.sup.7 is selected from the group consisting of hydrogen and methyl and R.sup.8 is selected from the group consisting of hydrogen and methylthio. As a result, the herbicidal effectiveness of the thiocarbamate is enhanced and prolonged, rendering a single application of the herbicide effective over a longer period of time.

Abstract: Herbicidally active thiolcarbamates are employed in combination with certain organophosphorous compounds having the formula ##STR1## in which R.sup.4 is selected from the group consisting of C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy and C.sub.1 -C.sub.4 alkylthio; R.sup.5 is selected from the group consisting of C.sub.1 -C.sub.4 alkoxy and C.sub.1 -C.sub.4 alkylthio; R.sub.6 is selected from the group consisting of C.sub.2 -C.sub.6 alkylene and C.sub.2 -C.sub.6 alkenylene; R.sup.7 is selected from the group consisting of hydrogen, phenyl, C.sub.1 -C.sub.4 alkyl and C.sub.2 -C.sub.4 alkenyl, all optionally substituted with up to two halogens; X is oxygen or sulfur; and n is zero or one. As a result, the herbicidal effectiveness of the thiocarbamate is enhanced and prolonged, rendering a single application of the herbicide effective over a longer period of time.

Abstract: Compositions comprising 2-hydroxypropyl methanethiolsulfonate in combination with a mixture of 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one show synergistic results in controlling the growth and proliferation of microorganisms in aqueous systems.

Abstract: The soil life of herbicidally active thiocarbamates is extended by employing therewith certain organophosphorus compounds having the formula ##STR1## in which R.sup.4 is selected from the group consisting of C.sub.1 -C.sub.4 alkyl and C.sub.1 -C.sub.4 alkoxy,R.sup.5 is selected from the group consisting of C.sub.1 -C.sub.4 alkoxy and C.sub.1 -C.sub.4 alkylthio,n is zero or one, andR.sup.6 is selected from the group consisting of ##STR2## in which R.sup.7, R.sup.8, R.sup.9, and R.sup.10 are independently selected from the group consisting of hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkylthio, phenyl, and chlorophenylthio.

Abstract: A method for obtaining satisfactory weed control including control of blackgrass in cereal crops comprising preemergent application of a mixture of terbutryne and trifluralin having a ratio of 1:2 to 2.5:1 and compositions for same, particularly liquid concentrate compositions which do not give crystalline precipitation within 24 hours of emulsification, comprising (a) 7.5 to 18% terbutryne, (b) 15 to 25% trifluralin, (c) 28 to 42% non phytoxic alicyclic ketone, (d) 5 to 15% emulsifier, and (e) stabilizing cosolvent selected from (1) 1 to 3% mesityl oxide, or (2) 8 to 15% lower alkyl esters of C-18 unsaturated fatty acids, or (3) a combination of 10 to 20% isophorone and 1 to 3% di-lower alkyl formamide.

Abstract: 2-chloro-4-trifluoromethyl-5-thiazolecarbothioic acid derivatives having the formula ##STR1## where R is C.sub.1-5 alkyl, phenyl or benzyl, have been found to be effective in reducing herbicidal injury to grain sorghum caused by the application thereto of a 2-haloacetanilide herbicide, especially, alachlor.