The effect of insecticides on the total percentage of Ostrinia nubilalis Hbn attack on maize hybrids
2020
Gošić-Dondo, Snežana (https://orcid.org/0000-0002-3905-3308) | Grčak, Dragan | Grčak, Milosav | Kondić, Danijela (https://orcid.org/0000-0003-0154-0917) | Hajder, Djuradj | Popović, Željko | Knežević, Desimir (https://orcid.org/0000-0001-8471-9060)
The objective of the paper was to determine the effect of insecticides on the development of the European corn borer (Ostinia nubilalis Hbn) and the effect of damage in six maize hybrids of different maturity groups. The research involved the following hybrids: ZP 427, ZP 434, ZP 555, ZP 600, ZP 606 and ZP 666. In the field trial, insecticides were applied in two terms, during the flight of O. nubilalis first generation and during the flight of second O. nubilalis generation. We used Fobos EC insecticide and a combination of Match 050 EC + Nurelle D insecticides, whose active substances are different. The active substance in Fobos EC insecticide is bifenthrin 100 g l-1, in Match 050 EC lufenuron 50 g l-1 and, in Nurelle D insecticide, the active ingredient is a combination of chlorpyrifos 500 g l-1 and cypermethrin 50 g l-1. The damage inflicted on plants was assessed in July and September. Fobos insecticide had the best plant protection effect, after its use, the arithmetic mean of the total attack percentage of all hybrids was approximately 81.62% while in the control group, it was approximately 91.72%.
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