Efficacy of agrochemicals against Phyllobius oblongus

摘要

The contact, residual, and ingestion efficacy of two conventional insecticides was compared with that of another five environmentally friendly agrochemicals in a laboratory for the control of the European snout beetle. Very good efficacy was observed for the conventional product Reldan 22? after all types of exposures. The conventional Mospilan? 20 SP showed good efficacy after ingestion. SpinTor? was very effective 72 h after ingestion and contact, and Siltac? EC showed comparable efficacy with conventional insecticides 72 h after ingestion and residual contact. SpinTor? and Siltac? conform to the principles of organic farming and integrated pest management (IPM) and are able to replace both the tested conventional products in young fruit plantations and nurseries. Pyrethrum PNC – 17, FerrumOil, and Boundary SW did not sufficiently control the beetle.