Field researches in 2018-2019 at "Urin-Bahrom-Bekzod" farm, located in Jondor district of Bukhara region, showed that number of eggs of turnip moth reduced by 3 times and caterpillars – by more than 6 times in the result of Kotoran treatment on April 10th in the process of cotton sowing, 10-15 days before turnip moth’s mass oviposition (by 30 metres tape-method with PGS-2.4 tractor in proportion 0.4 kg/ha or 12 l/ha) ( Table 1 ).
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