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Mšice na ošetřovaných a neošetřovaných ovocných dřevinách
Prudíková, Tereza
During the year 2022, the occurrence of aphids on apple trees with different protection intensities was monitored at two locations and five experimental areas in Starý Lískovec (Brno) and in Květná (district Uherské Hradiště). The monitoring of overwintering eggs was realized in February. It was found, that higher abundance of eggs was on south side and lower level of the crown. The highest number of eggs was discovered on untreated apple orchard Květná, with an average of 32 eggs per 1 m of branch length. Visual control of the abundance and species spectrum of Aphididae was realized on 3 June, 29 June and 16 July 2022. Totally four aphid species were detected on three experimental areas, Dysaphis plantaginea, Myzus persicae, Aphis pomi and Eriosoma lanigerum. The highest abundance and most species were detected on untreated part in Starý Lískovec, summary 26 colonies of three different aphid species (Dysaphis plantaginea, Myzus persicae, Eriosoma lanig-erum).
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