LD-P and LT-P lines of insecticides for Bothynoderes punctiventris Germ. at different air temperature
2006
Vukovic, S.M. | Indjic, D.V. | Klokocar-Smit, Z.D. (Faculty of Agriculture, Novi Sad (Serbia and Montenegro). Department for Environmental and Plant Protection)
The effects of insecticides monocrotophos, cypermethrin and their ready-made mixtures applied against sugar beet weevil (Bothynoderes punctiventris Germ.) adults at different temperatures were studied. The experiments were conducted in laboratory conditions at three different temperatures: 14, 20 and 25 deg C. In 1996 and 1997, the adults used in experiments were collected in Backa Topola (Vojvodina Province, Serbia and Montenegro) fields with sugar beet as previous crop. The adults were exposed to insecticides. Based on lt-p lines in both experimental years, it could be concluded that cypermethrin, independent of temperature had higher initial toxicity than monocrotophos, the mixture achieved additive effect, except in 1996 at 20 deg C, where the effect was synergised compared to single component effects.
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