Synergistic fungicidal composition containing strobilurine derivative and cyprodinil, pyrimethanil or mepanipyrim

摘要

Synergistic fungicidal composition comprises a strobilurine analogue of formula (I) and at least one fungicide (II) selected from cyprodinil, pyrimethanil or mepanipyrim, the (I):(II) wt. ratio being 0.0018-64. A = N or -CH; B = -OCH2, -CH2O- or 2,4-pyrimidin-dioxy; R1 = 1-4C alkyl, preferably methyl; R2 = -OCH3 or -NHCH3; X = halo, cyano or 1-4C alkyl, preferably methyl in position 2 and/or 4; n = 1 or 2.