1. Biocidal compositions comprising (a) alkoxylated oligoglycerol esters, (b) biocides and, if necessary, (c) oil components or co-solvents and / or (d) emulsifiers. 2. Compositions according to claim 1, characterized in that, as component (a), alkoxylated oligoglycerol esters of the general formula (I) in which R, R and R independently represent either hydrogen or a saturated or unsaturated, linear or branched and, preferably, hydroxy-substituted acyl a radical having from 2 to 22 carbon atoms and up to three double bonds, provided that at least one of the groups R, R and R differs from hydrogen, AO means a unit of alkylene oxide selected from ethylene oxide, propylene oxide, butylene oxide and them with of mesons, n1, n2 and n3 independently mean integers from 1 to 100, provided that the sum (n1 + n2 + n3) is an integer from 10 to 200, and x means an integer from 1 to 10.3. Compositions according to claim 1, characterized in that they include, as component (a), ethoxylated oligoglycerol esters. Compositions according to claim 1, characterized in that they include, as component (a), alkoxylated oligoglycerol esters derived from saturated and unsaturated vegetable fatty acids. Compositions according to claim 1, characterized in that they include biocides (component b) selected from the group consisting of herbicides, fungicides, insecticides and plant growth regulators. Compositions according to claim 1, characterized in that they include biocides (component b) selected from the group consisting of azoles, strobilurins, diphenyl ethers, anilides, organophosphates, synthetic pyrethroids, neonicotinoids, oxadiazines, benzoylureas, phenyl1. Биоцидные композиции, включающие(a) алкоксилированные олигоглицериновые сложные эфиры,(b) биоциды и, при необходимости,(c) масляные компоненты или со-растворители и/или(d) эмульгаторы.2. Композиции по п.1, отличающиеся тем, что включают в качестве компонента (а) алкоксилированные олигоглицериновые сложные эфиры общей формулы (I)в ко
