1. Claims for the contracting states : BE, CH, DE, FR, GB, IT, LI, NL, SE A 2,6-trans-dimethylmorpholine derivative of the formula see diagramm : EP0129211,P8,F2 where R is a Cycloalkyl, Cycloalkylalkyl or alkyl radical which can be substituted by one or more C1 -C7 -alkyl radicals, and the total number of carbon atoms in the substituent R is from 7 to 20, and its N-oxides and plant-tolerated addition salts with acids and metal complexes. 1. Claims for the contracting state : AT A fungicide containing a 2,6-trans-dimethylmorpholine derivative of the formula see diagramm : EP0129211,P9,F1 where R is a cycloalkyl, cycloalkylalkyl or alkyl radical which can be substituted by one or more C1 -C7 -alkyl radicals, and the total number of carbon atoms in the substituent R is from 7 to 20, and its N-oxides and plant-tolerated addition salts with acids and metal complexes.