Účinnost syntetických feromonů na obaleče na ovocných dřevinách a jejich atraktivita pro necílové druhy

A research of occurrence of leafrollers harm in fruit trees was realized in the period of years 2014 and 2015 in the Bohemian-Moravian highlands. There were installed 22 pheromones catches at different places. Five target species of leafrollers were studied: Grapholita funebrana, Grapholita molesta, Grapholita janthinana, Grapholita lobarzewskii and Pandemis heparana. Pandemis heparana was observed only in year 2015. All target species were found, besides Pandemis heparana. In pheromones traps there were found also many nontarged species of butterflies. Most of them were from family Tortricidae. Other species were from families Erebidae, Gelechiidae, Gracillariidae, Noctuidae and Zygaenidae. The part of results from 2013th were used also. Efficacy of pheromones by two competitive companies was also compared during the research. There was evaluated also flight activity of target species depending on temperature