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Rezistence dřepčíků rodu Phyllotreta a Psylliodes k vybraným účinným látkám insekticidů
 Janáčová, Erika
Diploma thesis “The resistance of the flea beetles of the genus Phyllotreta and Psylliodes to active substances of insecticides“ is followed of NAZV QJ 1230077 Testing the sensitivity of selected insect pests of Brassicaceae crops to insecticides solved in 2012-2016. In the diploma thesis the sensibility of the flea beetles of genus Phyllotreta and Psylliodes to active substances of pyrethroid insecticides (tau-fluvalinate and lambda-cyhalothrin) and neonicotinoids (thiacloprid) was evaluate. The research was realized in 2017 on the 21 locations in the Czech Republic. The beetles were collected from commercial oil rapeseed?s (Brassica napus L. var. napus) and mustard?s (Sinapis alba) fields. The testing was conducted by laboratory methods of IRAC number 011 and 021, the adult-vital test was used for testing. These methods are known for monitoring pollen beetles (Meligethes spp.), but they are suitable for testing another species of pest of oil rapeseed. The results showed a decrease in the sensitivity to some insecticides.
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9 Janáčová, Eva
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