PLANT GROWTH REGULATOR ADDITIVE

1 - 26 . (canceled)

27 . A composition comprising anthranilic acid or a derivative thereof and an agrochemically acceptable additive comprising at least one compound selected from:

a) glucose, hydrolysed starch, sucrose, fructose, glycerol, glyceraldehydes, erythrose, ribulose, xylulose or arabinose, monosaccharides including aldoses such as D-ribose, D-xylose, L-arabinose, D-glucose, D-mannose and D-galactose; ketoses such as D-ribulose and D-fructose; deoxyaldoses such as 2-Deoxy-D-ribose, L-fucose; acetylated amino sugars such as N-acteyl-D-glucosamine and N-acetyl-D-galactosamine; acidic monosaccharides such as D-glucuronic acid, L-iduronic acid and N-acetylneuraminic acid, sugar alcohols such as D-sorbitol and D-mannitol, disaccharides including maltose, lactose and sucrose, or an ester or glycoside or metabolic equivalent of such a carbohydrate;

b) an organic acid of the Krebs tricarboxylic acid cycle or a metabolic precursor thereof;

c) a vitamin or coenzyme, or a precursor thereof;

d) a purine or pyrimidine nucleoside, nucleotide or metabolic precursor thereof;

e) a naturally occurring fat or oil; or

f) an amino acid,

for use to improve the efficacy of a plant growth regulator.

28 . The composition of claim 27 wherein the agrochemically acceptable additive comprises at least one compound selected from c) a vitamin or coenzyme, or a precursor thereof; d) a purine or pyrimidine nucleoside, nucleotide or metabolic precursor thereof; or f) an amino acid.

29 . The composition according to claim 27 wherein the anthranilic derivative is a conjugate, a salt, an ester, or an amide of the acid, optionally substituted with an alkyl or halogen group.

30 . The composition according to claim 29 wherein the compound is conjugated to a sugar, an alcohol, an amino acid, a peptide or a protein.

31 . The composition according to claim 27 further comprising acetaminophen or a derivative thereof; preferably acetaminophen.

32 . The composition of claim 27 further comprising a plant growth regulator.

33 . A composition according to claim 32 wherein the plant growth regulator is selected from an auxin, an auxin precursor, an auxin metabolite or a derivative of said auxin, auxin precursor or auxin metabolite with the proviso that the plant growth regulator is not an anthranilic acid or derivative thereof as defined in claim 1 .

34 . The composition according to claim 33 wherein the auxin is an indolic auxin or a phenolic auxin.

35 . The composition according to claim 33 wherein the derivative is an acid, a conjugate, a salt, an ester, or an amide of the auxin, or an alkylated or halogenated auxin.

36 . The composition according to claim 35 wherein the auxin is conjugated to a sugar, an alcohol, an amino acid, a peptide or a protein.

37 . The composition according to claim 33 wherein the precursor is chorismate, phosphoribosyl anthraniliate, 1-(O-carboxyphenulamino)-1-deoxyribulose-5-phosphate, indole-3-glycerol-phosphate, indole, indole-3-acetic acid, tryptophan, tryptamine, N-hydroxy tryptamine, indole-3-acetaldoxime, 1-aci-nitro-2-indolylethane, indolic glucosinate, indole-3-acetonitrile (IAN), indole-3-acetaldehyde, indole-3-lactic acid, indole-3-pyruvic acid, or indole-3-ethanol.

38 . The composition according to claim 27 wherein the auxin is a natural auxin selected from indole-3-acetic acid (IAA), 4-chloro-indole-3-acetic acid (4-Cl-IAA), phenylacetic acid (PAA), indole-3-butyric acid (IBA), indole-3-acetyl-1-O-β-D-glucose (IAAglc); or a synthetic auxin selected from 1-naphthaleneacetic acid (NAA), 2,4-dichlorophenoxyacetic acid (2,4-D), 2-methoxy-3,6-dichlorobenzoic acid (dicamba), 4-amino-3,5,6-trichloropicolinic acid (tordon), 2,4,5-trichlorophenoxyacetic acid (2,4,5-T), 2,3,6-trichlorobenzoic acid, 4-chloro-2 methyl phenoxy acetic acid (MCPA) or N,N-dimethylethylthiocarbamate.

39 . The composition according to claim 38 wherein the conjugate of the natural auxin is IAA-Inositol, IAA-Inositol-arabinose, IAP1, an IAA-peptide, an IAA glycoprotein, an IAA-glucan, IAA-aspartate, IAA-glucose, IAA-1-O-glucose, IAA-myo-Inositol, IAA-4-O-glucose, IAA-6-O-glucose, IAA-Inositol-galactose, an IAA amide conjugate, or an IAA-amino acid conjugate.

40 . The composition according to claim 33 wherein the metabolite is indole-3-lactic acid or indole-3-ethanol.

41 . A composition according to claim 32 wherein the plant growth regulator is abscisic acid or a derivative thereof, a cytokinin, ethylene or a gibberlin.

42 . A composition according to claim 32 wherein the plant growth regulator is p-Chlorophenoxyacetic acid (4-CPA), 2-CPA, 2,4-Dichlorophenoxyacetic acid, 2,4-Dichlorophenoxyacetic acid Sodium salt, Indole-3-acetic acid Free acid (IAA), Indole-3-acetic acid Sodium salt, Indole-3-acetic acid methyl ester, Indole-3-acety-L-aspartic acid, Indole-3-butyric acid (IBA), Indole-3-butyric acid Potassium salt (K-IBA), alpha-Naphthaleneacetic acid Free acid (NAA), beta-Naphthoxyacetic acid Free acid (NOA), Phenylacetic acid (PAA), Picloram, 2,4,5-Trichlorophenoxyacetic acid (2,4,5-T), 2,3,5-Triiodobenzoic acid Free acid (TIBA), Adenine Free base, Adenine hemisulfate salt, 6-Benzylaminopurine (BA), 6-Benzylaminopurine Hydrochloride, N-Benzyl-9-(2-tetrahydropyranyl) adenine (BPA), N-(2-Chloro-4-pyridyl)N′-phenylurea (4-CPPU), 6-(gamma, gamma-Dimethylallylamino)purine (2iP), 1,3-Diphenylurea (DPU), Kinetin, Kinetin Hydrochloride, 1-Phenyl-3-(1,2,3-thiadiazol-5-yl) urea, trans-Zeatin Free base, Zeatin, trans-Zeatin Hydrochloride, trans-Zeatin riboside, (±)-cis,trans-Abscisic acid (ABA), Ancymidol, Chlorocholine chloride (CCC), chlormequat chloride+choline chloride (5C chlormequat), 3,6-Dichloro-o-anisic acid (Dicamba), Gibberellic acid (GA 3 ), Gibberellic acid Potassium salt (K-GA 3 ), Gibberellin A 4 Free acid (GA 4 ), (±)-jasmonic acid, Phloroglucinol, N-(Phosphonomethyl)glycine (Glyphosate), Succinic acid 2,2-dimethylhydrazide, trinexapacethyl or metconazole.

43 . The composition according to claim 32 wherein the plant growth regulator is selected from antiauxins, such as: clofibric acid and 2,3,5-tri-iodobenzoic acid; auxins such as 4-CPA, 2,4-D, 2,4-DB, 2,4-DEP, dichlorprop, fenoprop, IAA, IBA, naphthaleneacetamide, α-naphthaleneacetic acid, 1-naphthol, naphthoxyacetic acid, potassium naphthenate, sodium naphthenate, 2,4,5-T; cytokinins such as 2iP, benzyladenine, kinetin, zeatin; defoliants such as calcium cyanamide, dimethipin, endothal, ethephon, merphos, metoxuron, pentachlorophenol, thidiazuron, tribufos; ethylene inhibitors such as aviglycine, 1-methylcyclopropene; ethylene releasers such as ACC, etacelasil, ethephon, glyoxime; gibberellins such as gibberellins, gibberellic acid; growth inhibitors such as abscisic acid, ancymidol, butralin, carbaryl, chlorphonium, chlorpropham, dikegulac, flumetralin, fluoridamid, fosamine, glyphosine, isopyrimol, jasmonic acid, maleic hydrazide, mepiquat, mepiquat chloride, piproctanyl, prohydrojasmon, propham, 2,3,5-tri-iodobenzoic acid; morphactins such as chlorfluren, chlorflurenol, dichlorflurenol, flurenol; growth retardants such as chlormequat, daminozide, flurprimidol, mefluidide, paclobutrazol tetcyclacis, uniconazole; growth stimulators such as brassinolide, forchlorfenuron, hymexazol; and unclassified plant growth regulators such as benzofluor, buminafos, carvone, ciobutide, clofencet, cloxyfonac, cyanamide, cyclanilide, cycloheximide, cyprosulfamide, epocholeone, ethychlozate, ethylene, fenridazon, heptopargil, holosulf, inabenfide, karetazan, lead arsenate, methasulfocarb, prohexadione, pydanon, sintofen, triapenthenol, trinexapac.

44 . A composition of claim 27 wherein the composition further comprises an adjuvant.

45 . A method of improving the efficacy of a plant growth regulator comprising applying the composition of claim 27 to a plant growth regulator.

46 . A method of regulating plant growth comprising applying the composition of claim 27 to a plant or its environs.