field efficacy of entomopathogenic fungi and nematodes targeting caged last-instar plum curculio (coleoptera: curculionidae) in michigan cherry and apple orchards.the plum curculio (conotrachelus nenuphar herbst) is a key pest of pome and stone fruit in eastern north america. we tested the efficacy of five pathogens over the course of three seasons in 10 michigan apple and cherry orchards, with introductions of larvae to caged pots containing pathogen-treated soil. the nematode steinernema riobrave was the most effective pathogen in the 2 yr it was tested, but only in soils with the highest sand content (81-88%) and when it was applied 1 h or 5 d after la ...200919689891
Displaying items 1 - 1 of 1