| field evaluation of an entomopathogenic fungus, metarhizium brunneum strain f52, against pear psylla, cacopsylla pyri. | the pear psylla, cacopsylla pyri l. (hemiptera: psyllidae), is one of the most serious insect pests of pears in turkey. in recent years, psyllid management has become increasingly difficult because of the development of insecticide resistance and the withdrawal of registered chemicals from the market. in this study, the field efficacy of an emulsifiable concentrate formulation of the entomopathogenic fungus, metarhizium brunneum petch strain f52 (hypocreales: clavicipitaceae), containing 5.5 × 1 ... | 2014 | 23840009 |