Diphosphorus derivatives and fungicidal compositions containing them

摘要

Compositions and methods for their use are described for controlling parasitic fungi in and on plants containing, as active material, at least one compound corresponding to the formula in which R1, R2, R3, R4, R5 and R6, which may be the same or different, represent hydrogen; halogen; nitro; alkyl, halo-alkyl or alkoxy carbonyl radical containing from 1 to 5 carbon atoms, and N = 0 OR 1.