National Repository of Grey Literature 1 records found  Search took 0.00 seconds. 
Rezistence brouků škodících na obilninách k vybraným účinným látkám insekticidů
Benda, Ivo
The thesis titled “The Resistance of Beetles Harmful to Cereals Towards Selected Active Substances of Insecticides” deals with the issue of sensitivity of the oulema cereal leaf beetles towards active substances from the pyrethroid category (lambda-cyhalothrin) and organophosphates (chlorpyrifos-ethyl). Research was performed at a number of locations in the region of South Moravia. The beetles were collected on fields with common wheat (Triticum aestivum) and barley (Hordeum vulgare). The testing of the beetles was performed in a lab using the adult-vial test. Imagos were exposed to four concentrations of each active substance in three repetitions. The results were processed using the Polo Plus program. The activity of the beetles differed depending on the concentration of the active substance.

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