Research on the Relationship Between the Degree of European Corn Borer (Ostrinia Nubilalis Hbn.) Attack and Maize Fusariosis (Fusarium spp.) at ARDS Turda

Ana Maria VĂLEAN, Felicia MUREŞANU, Adina TĂRĂU, Loredana SUCIU, Laura SOPTEREAN, Ion OLTEAN


The European corn borer (Ostrinia nubilalis Hübn.), which is found almost universally in Europe and America, is an extremely important pest from economic point of view (Szőke et al., 2005). European corn borer larvae cause physical injuries to stalks and ears, and promote infections with Fusarium, by carrying the fungus spores from the plant surface to the surfaces of damaged kernels or to the interior of stalks, where infection occurs (Czembor, 2015). On account of the fact that between Ostrinia nubilalis Hbn. and Fusarium spp. there is a strong connection, and their presence lead to lower maize production, it’s purposed is reducing the corn borer attack, but also the occurrence of maize fusariosis, by applying treatments to the vegetation. The research was carried out at ARDS Turda, in the period 2014-2015 as a bifactorial experience, in which were performed two treatments on growing period, with insecticides, using the products: Avaunt 250 ml/ha (s.a. indoxacarb), Coragen 250 ml/ha (s.a. chlorantraniliprol), Proteus 400 ml/ha (s.a. tiacloprid + deltametrin), Calypso 150 ml/ha (s.a. tiacloprid) and Confidor 400 ml/ha (s.a. imidacloprid + deltametrin), and the biological material was used Turda 165 hybrid. Amid the climatic conditions in the two experimental years (2014-2015), regarding the frecquency attack of the Ostrinia nubilalis, 2015 proved to be a very favorable year for this pest, and by applying treatments to the vegetation, Ostrinia nubilalis Hbn. and Fusarium spp. attack has been reduced very significant. In order to combat the european corn borer (Ostrinia nubilalis Hbn.) chemically, are recommended products based on: chlorantraniliprol and tiacloprid+deltametrin.


Fusarium spp., maize, Ostrinia nubilalis, treatments

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