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Zhodnocení efektivity stromových mikroinjektáží jako metody tvorby navnaděných stojících otrávených lapáků na lýkožrouta smrkového (Ips typographus Linnaeus, 1758) na lesních pozemcích Města Poličky
 Háp, Matěj
Many technologies are currently used in practice for pest management and control. One technology that is becoming more widely used is the microinjection method. This method is the focus of this thesis, which specializes in the use of microinjection as a defensive method against the European spruce bark beetle (Ips typographus (Karst.) L.). The investigation took place in 2022, when 25 trees were injected at 5 sites before the start of spring swarming. In addition, 5 control trees were selected at each site and I. typographus was baited with a synthetic pheromone. The effectiveness of this method was then evaluated by comparing the lengths of the mother galleries and larval galleries on the debarked bark strips and by means of a photo-eclector experiment. The data were then statistically evaluated using the Kruskal-Wallis test, which showed that bark beetles on trees treated with injection had significantly shorter mother and larval galleries. The photo-eclector survey showed that the number of I. typographus from logs that came from injection-treated trees accounted for only 10.88% of the total number of imagoes captured. This value demonstrates that microinjection is not only an effective method against leaf miners and skeletonizing insects on deciduous trees, but its application can also be in the management of bark beetles on spruce.
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