Résumé :
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The experiments on the efficiency of Toxaphen 10, Kamfolchor 10 dust and Thiodan emulsion against phytophagous bugs have been carried out on the seed carrot of the > variety in Ilowiec of th Srem district. The treatments were performed in the period when 25 % of rootstocks were blooming, that is, on June 24, and were repeated after two weeks. As a result of systematic catching of bugs by entomological net it has been found that the intensity of bugs on the plots, treated by Toxaphen 10 at the rate of 20 kg/ha, Kamfochlor Dust 10 at the rate of 20 kg/ha abd Thiodan emulsion 0,2 % was lower. On the plots, treated with Toxaplan 10 at the rate of 15 kg/ha, Kamfochlor Dust 10 at the rate of 15 kg/ha and 0,1 % Thiodan emulsion, the intensity of bugs was higher. However, in both cases the bug intensity was distinctly different from that on the control plot. The studies on the seed germination have shown, that the germination energy and capacity are about 10 % higher on the plots treated with higher doses of preparations, than those on the control plot.
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