Efficacy of different biopesticides containing Bacillus thuringiensis in control of Colorado potato beetle (Leptinotarsa decemlineata Say) on potato plants
1994
Lukowicz, A. (Instytut Ochrony Roslin, Poznan (Poland))
Field and laboratory experiments have been conducted in 1990-93 with biopesticides: M-Trak, IS 009, Novodor and Bitoksybacillin. All tested pesticides were very effective against the youngest stages (L1-L2) of Colorado potato beetle. Biopesticides were less effective against oldest larval stages (L3-L4) and adults. The best results were obtained with biopesticides which were genetically improved - M-Trak and IS 009. The highest mortality of young larvae was obtained in the case of using pyrethroid insecticide - Karate 0,25 EC. Karate was also better in the case of older larval stages and adults
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