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National Repository of Grey Literature 2 records found  Search took 0.03 seconds. 
Rezistence škůdců řepky k vybraným účinným látkám insekticidů
 Hajda, Tomáš
Resistence population of pollen beattle on selected locations of Moravia and Silesia were observed during the 2017. Beattles were taked off in the field during spring and their sensitivity to insecticides active substances indoxacarb, chlorpyrifos, thiacloprid, tau-fluvalinate, cypermethrin and lambda-cyhalothrin were tested in laboratory. Tested using methods of IRAC – 11, 21, 25 and 27. Mortality of beattles at various concentrations of active substances was evaluated after 24 hours. Levels of resistance were changed for individual location.
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Výskyt škůdců ovocných stromů na různých stanovištích v okolí Valašského Meziříčí
 Hajda, Tomáš
During the vegetation period of 2015, occunerrence of apple tree pests was observed in surroundings of Valašské Meziříčí. The research was conducted in a maintained orchard, unkempt orchard and in a road alley. Monitoring was realized by visual inspection. Ten species were registered with different quantity in individual habitats. The most significant species were Vespula vulgaris and Vespa crabro in the first location. Also Cydia pomonella and Anthonomus pomorum were significant with them in the second location. Colonies of Aphis pomi, and Cydia pomonella were the most numerous in the third location. Hedya nubiferana and Lyonetia clerkella were the least important pests. Mild occurrence was found in Tetranynchus urticae, Hoplocampa testudinea and Tatianaerhynchites aequatus.
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