TECHNOLOGY FOCUS - AGRICULTURE - Preferred Components: The antiauxins comprise clofibrin or triiodo benzoic acid. The auxins comprise 4-chlorophenoxyacetic acid, 2,4-dichlorophenoxyacetic acid, 4-(2,4-dichlorophenoxy)butyric acid, (tris(2-(2,4-dichlorophenoxy)ethyl)phosphite), dichlorprop, fenoprop, beta -indoleacetic acid, 4-indol-3-yl butyric acid, naphthaleneacetamide, alpha -naphthaleneacetic acid, 1-naphthol, naphthoxy acetic acid, potassium naphthenate, sodium naphthenate or 2,4,5-trichlorophenoxyacetic acid. The cytokinins comprise N-(3-methylbut-2-enyl)-1H-purin-6-amine, benzyladenine, kinetin or zeatin. The defoliants comprise calcium cyanamide, dimethipin, endothal, ethephon, merphos, metoxuron, pentachlorophenol, thidiazuron or tribufos. The ethylene inhibitors comprise aviglycine, aviglycine hydrochloride or 1-methylcyclopropene. The ethylene generators comprise 1-aminocyclopropanecarboxylic acid, etacelasil, ethephon or glyoxime. The gibberellins comprise gibberellin A1, gibberellin A4, gibberellin A7 or gibberellic acid. The growth inhibitors comprise abscisic acid, ancymidol, butralin, carbaryl, chlorphonium or its chloride, chlorpropham, dikegulac, dikegulac sodium, flumetralin, fluoridamid, fosamine, glyphosine, isopyrimol, jasmonic acid, maleic acid hydrazide or its potassium salts, mepiquat or its chloride, piproctanyl or its bromide, prohydrojasmon, propham or 2,3,5-triiodbenzoic acid. The morphactins comprise chlorfluren, chlorflurenol-methyl, dichlorflurenol or flurenol. The growth retarders/-modifiers comprise chlormequat, chlormequat chloride, daminozide, flurprimidol, mefluidide, mefluidide diolamine, paclobutrazol, cyproconazole, tetcyclacis, uniconazole or uniconazole-P. The growth stimulators comprise brassinolide, forchlorfenuron, hymexazol, 2-amino-6-oxypurine derivative, indolinone derivatives, 3,4-disubstituted maleimide derivatives or azepinon derivatives. The unclassified plant growth regulators comprise one of 59 compounds e.g. benzofluor, buminafos, carvone, ciobutide, clofencet, cloxyfonac, cloxyfonac-sodium, cyclanilide, cycloheximide, epocholeone, ethychlozate, ethylene, fenridazon, heptopargil, holosulf, inabenfide, karetazan, lead arsenate, methasulfocarb, prohexadione, prohexadione-calcium, pydanon, sintofen, triapenthenol, trinexapac, trinexapac-ethyl, 2,6-diisopropylnaphthalene, cloprop, 1-naphthylacetic acid ethyl ester, isoprothiolane, N-acetyl thiazolidine-4-carboxylic acid, n-decanol, pelargonic acid, N-phenyl phthalamic acid, tecnazene, triacontanol, 2,3-dihydro-5,6-diphenyl-4-oxathiin, 2-cyano-3-(2,4-dichloro phenyl) acrylic acid, alorac, amidochlor, chloramben, chlorfluren, chlorfluren methyl, dicamba-methyl, dichlorflurenol, dichlorflurenol-methyl, etacelasil, hexafluoroacetone-trihydrate, N-pyrrolidino succinamic acid, 3-tert-butyl phenoxy acetic acid propyl ester, pydanon, sodium (Z)-3-chloroacrylate. The plant growth regulators are preferably trinexapac-ethyl, chlormequat chloride or paclobutrazol. The active agent combination comprises bixafen. The amount of prothioconazole is 0.01-50 parts by weight, preferably 0.1-25 parts by weight for 1 part by weight of the plant growth regulator. The active agent combination exhibits fungicidal effect. The agent further comprises additives, solvents, carrier, surface active agents and thinners.    TECHNOLOGY FOCUS - BIOLOGY - Preferred Components: The plant growth regulators comprise antiauxins, auxins, cytokinins, defoliants, ethylene inhibitors, ethylene generators, gibberellins, growth inhibitors, morphactins, growth retarders /-modifiers or growth stimulators. ACTIVITY - Fungicide. The fungicidal activity of the composition was tested against Puccinia triticina for 20 days in winter wheat field. The result showed that the composition (comprised of bixafen (50 g) and chlormequat-chloride (500 g) in sufficient amount of water) exhibited the fungicidal effect of 98%.    MECHANISM OF ACTION - None given.