Resistance of NS wheat varieties to Fusarium head blight in natural conditions of infection | Otpornost novosadskih sorti pšenice prema fuzariozi klasa u prirodnim uslovima zaraze
2009
Telečki, M., Institut za ratarstvo i povrtarstvo, Novi Sad (Serbia) | Jevtić, R., Institut za ratarstvo i povrtarstvo, Novi Sad (Serbia)
Fusarium head blight caused by Fusarium graminearum is a very destructuve pathogen and can cause significant losses in yield by total or partial destruction of grain. One of the main ways of control this pathogen is growing resistant varieties. Resistance to Fusarium graminearum was examined on 26 NS wheat varieties in natural conditions of infection, determining the percentage of Fusarium damaged kernels. The loss in weight of wheat kernels due to infection by Fusarium graminearum was determined on the basis of the difference in 1000 kernel weight of healthy kernels and 1000 kernel weight in which were located Fusarium damaged kernels. The percentage of Fusarium damaged kernels was ranged from 1-18.3%. The largest percentage of infected kernels in field conditions had durum wheat varieties Dušan (18.3%) and Durumko (17%). The facultative variety Nevesinjka had 17% Fusarium damaged kernels. The lowest percentage of Fusarium damaged kernels had varieties Zlatko and Sofija (1.3%). Reducing in the 1000 kernel weight was noticed in all the studied varieties and was ranged from 1.6 to 15.1%. Between the percentage of Fusarium damaged kernels and loss in weight of wheat kernels was found a significant correlation (0.59).
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