| abstract |
Use of a compound having general formula (1) wherein R?1, R2, R3 and R4¿ which may be the same or different represent hydrogen atoms or alkyl groups of 1-6 carbon atoms, or NR1R2 and/or NR3R4 together represent a heterocyclic group having 5 or 6 ring atoms, x is 0 or 1 and when x is 0, the dashed line represents a double bond, W represents a saturated or ethylenically unsaturated divalent hydrocarbyl group required to complete a cycloalkane, cycloalkene or cycloalkadiene ring of 3 to 6 ring atoms and from 0 to 2 double bonds, in the form of the free base or an acid addition salt tolerable to plants, as a plant fungicide, as a fungicide, especially as a mildewicide. Some of the compounds of formula (1) are new and are claimed per se. |