Abstract: The use of menadione or one of its plant-compatible acid addition salts for enhancing the activity of agrochemicals against phytopathogenic fungi, mixtures of menadione and at least one active compound selected from the following groups: A) azoles, such as cyproconazole, difenoconazole, epoxiconazole, fluquinconazole, flusilazole, hexaconazole, imazalil, metconazole, myclobutanil, penconazole, prochloraz, prothioconazole, tebuconazole, triadimefon, triadimenol, triflumizole; B) strobilurins, such as azoxystrobin, dimoxystrobin, fluoxastrobin, kresoxim-methyl, metominostrobin, orysastrobin, picoxystrobin, pyraclostrobin or trifloxystrobin; C) acylalanines, such as benalaxyl, metalaxyl, mefenoxam, ofurace, oxadixyl; D) amine derivatives, such as spiroxamine; E) anilinopyrimidines, such as pyrimethanil, mepanipyrim or cyprodinil; F) dicarboximides, such as iprodione, procymidone, vinclozolin; G) cinnamides and analogs, such as dimethomorph, flumetover or flumorph; H) dithiocarbamates, such as ferbam, nabam, mane

Abstract: Fungicidal mixtures, comprising A) at least one valinamide derivative of the formula I ?in which R is halogen, and B) the compound of the formula II ?in a synergistically effective amount, methods for controlling harmful fungi using mixtures of the compounds I and II and the use of the compounds I and II for preparing such mixtures are described.

Abstract: Fungicidal mixtures, comprising A) the compound of the formula I and B) at least one azole derivative II selected from the group of the compounds II-1 to II-7 in a synergistically effective amount, methods for controlling harmful fungi using mixtures of the compounds I and II and the use of the compounds I and II for preparing such mixtures are described.

Abstract: Fungicidal mixtures, comprising A) the compound of the formula I B) a biphenylamide of the formula II, in which Z is a pyridyl ring or a five-membered heteroaryl ring which, in addition to carbon atoms, contains one or two nitrogen atoms or one nitrogen atom and one oxygen or sulfur atom, where Z carries one to three identical or different substituents from the group consisting of halogen, methyl and trifluoromethyl, and X is halogen, in a synergistically effective amount, methods for controlling harmful fungi using mixtures of the compounds I and II and the use of the compounds I and II for preparing such mixtures are described.

Abstract: Fungicidal mixtures, comprising A) a phenylhydrazide I selected from the compounds Ia and Ib ?and B) the compound of the formula II in a synergistically effective amount, methods for controlling harmful fungi using mixtures of the compounds I and II and the use of the compounds I and II for preparing such mixtures are described.

Abstract: Fungicidal mixtures, comprising A) the compound of the formula I and B) a pyrimidine derivative of the formula II, in which R is methyl, cyclopropyl or 1-propynyl, in a synergistically effective amount, methods for controlling harmful fungi using mixtures of compounds I and II and the use of the compounds I and II for preparing such mixtures are described.