NOVELTY - Mixture comprises, as active components: (a) at least one biopesticide (I) comprising groups (IA) comprising other microbial and biochemical pesticides e.g. with Bacillus amyloliquefaciens, group (IB) comprising nitrogen-fixing bacteria e.g. Bradyrhizobium japonicum and Bradyrhizobium elkanii; (b) at least one quinone outside inhibitor (Qoi) fungicide (II) e.g. pyraclostrobin; and (c) at least one succinate dehydrogenase inhibitor fungicide (III) comprising e.g. fluxapyroxad, boscalid and benzo vindiflupyr.    USE - The mixture is useful: for controlling phytopathogenic fungi, insects or other pests and/or improving health of plants and/or regulating plant growth; in combination and kit (all claimed); as bactericides against e.g. Agrobacterium, Clavibacter, Corynebacterium, and Pectobacterium; for protecting stored products (stalks, leafs, tubers, seeds, fruits or grains) or harvest against attack of fungi and microorganisms, where the pest or the insects are e.g. thrips, heteropterans, hemiptera, homoptera, termites, orthopterans, arachnids and nematodes); for crop protection; and for controlling e.g. Albugo spp. (white rust) on ornamentals, Alternaria spp. (leaf spot) on vegetables, Blumeria graminis (powdery mildew) on cereals, Cercospora spp. (leaf spots) on maize and rice, and Epicoccum spp. (black mold) on wheat. The ability of the mixture to control the pathogenic fungi was tested against Fusarium sp.. The results showed that mixture (comprised of 400 ml Bacillus amyloliquefaciens plantarum MBI600, 5 gai pyraclostrobin and 5 gai fluxapyroxad) exhibited efficacy of 92.9 (units not defined).    ADVANTAGE - The mixture: exhibits synergistic effect (claimed); and provides increased activity at reduced concentrations.    DETAILED DESCRIPTION - Mixture comprises, as active components: (a) at least one biopesticide (I) comprising groups (IA) comprising other microbial and biochemical pesticides comprising with Bacillus amyloliquefaciens, Bacillus amyloliquefaciens plantarum, Bacillus firmus, Bacillus pumilus, Bacillus subtilis, Bacillus simplex, Bacillus megaterium, Bacillus altitudinis, Bacillus mojavensis, Bacillus mycoides, Bacillus solisalsi, Burkholderia spp., Coniothyrium minitans, Paecilomyces lilacinus, Paenibacillus alvei, Pasteuria nishizawa, Pasteuria usage, Penicillium bilaiae, Pseudomonas fluorescens, Pseudomonas putida, abscisic acid, jasmonic acid, its salts and derivatives, cis-jasmone, methyl jasmonate, and harpin protein, group (IB) comprising nitrogen-fixing bacteria comprising Bradyrhizobium japonicum, Bradyrhizobium elkanii, Bradyrhizobium spp., Bradyrhizobium sp. (for Arachis), Bradyrhizobium sp. (for Vigna), Bradyrhizobium liaoningense, Bradyrhizobium lupine,Azospirillum brasilense, Azospirillum amazonense, Azospirillum lipoferum, Azospirillum irakense, Azospirillum halopraeferens,Delftia acidovorans, Glomus intraradices, Mesorhizobium spp., Mesorhizobium ciceri, Mesorhizobium huakii, Mesorhizobium loti, Rhizobium leguminosarum phaseoli, Rhizobium leguminosarum trifolii, Rhizobium leguminosarum viciae, Rhizobium tropici and Sinorhizobium meliloti; (b) at least one quinone outside inhibitor (Qoi) fungicide (II) comprising pyraclostrobin, azoxystrobin, picoxystrobin, trifloxystrobin, dimoxystrobin, enestroburin, fenaminstrobin, fluoxas- trobin, kresoxim-methyl, mandestrobine, metominostrobin, orysastrobin, pyrameto- strobin and pyraoxystrobin; and (c) at least one succinate dehydrogenase inhibitor fungicide (III) comprising fluxapyroxad, boscalid, benzo vindiflupyr, penflufen, penthiopyrad, sedaxane, fluopyram, bixafen, isofetamid, iso- pyrazam, carboxin, benodanil, fenfuram, flutolanil, furametpyr, mepronil, oxycarbox- in, and thifluzamide. INDEPENDENT CLAIMS are also included for:    (1) a composition comprising an auxiliary and the mixture;    (2) a kit for preparing a usable composition, comprising a composition comprising the component (a) as above per se and at least one auxiliary, and a composition comprising the component (b) as above per se and at least one auxiliary, and a composition comprising the component (c) as above pr se and at least one auxiliary; and    (3) a plant propagation material, comprising 0.01-10000 g/100 kg mixture or composition or the kit.