Chemical control of the raspberry root borer, Bembecia marginata (Harr.), on loganberry in British Columbia.
@article{Raine1960ChemicalCO, title={Chemical control of the raspberry root borer, Bembecia marginata (Harr.), on loganberry in British Columbia.}, author={J. Raine and H. Andison}, journal={Canadian Journal of Plant Science}, year={1960}, volume={40}, pages={160-164} }
A single spray of 25 per cent Diazinon emulsible concentrate applied as a drench to loganberry crowns in March, April or October against early instar larvae of the raspberry root borer, Bembecia marginata (Harr.) reduced a severe infestation (77 per cent or more) to 4 per cent or less of the crowns. This outstanding control was obtained at rates as low as 2 pints per 100 gallons and 1/2 pint of drench per plant (43 gallons per acre). Applications in May at 2 pints of drench per crown reduced… CONTINUE READING