| 摘要 |
A method and compositions for combatting mite infestations on useful plants, by treating the hibernating (or over-wintering) eggs with a compound of the general formula: <IMAGE> in which R' represents an alkyl group having from 8 to 11 carbon atoms, R'' represents a hydrogen atom, an alkyl group having from 1 to 4 carbon atoms, an allyl group or a <IMAGE> group, in which R<2> represents an alkyl group having from 1 to 4 carbon atoms, a cycloalkyl having from 3 to 6 carbon atoms or a phenyl group. |
