Lilac, Syringa spp., can be severely disfigured by the lilac leaf miner, Gracillaria syringella (F.) (Pirone et al. 1960). Single, open growing plants as well as hedges are infested. In Alberta, 2 generations/year of this pest may result in successive infestations. Dimethoate, applied to the soil as a systemic insecticide, successfully controlled birch leaf miners, Fenusa pusilla (Lepeletier) (Schread 1960). Because of its relatively low mammalian toxicity and ease of application, dimethoate was assessed for its usefulness in controlling the lilac leaf miner.
Document Type: Research Article
Publication date: December 16, 1968
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