Original article | International Journal of Innovative Approaches in Agricultural Research 2018, Vol. 2(3) 167-176
Evgeniy Dimitrov, Zlatina Peycheva Uhr, Blagoy Andonov & Nikolaya Velcheva
pp. 167 - 176 | DOI: https://doi.org/10.29329/ijiaar.2018.151.3
Published online: September 26, 2018 | Number of Views: 60 | Number of Download: 374
The study includes 22 lines and varieties of common winter wheat, created in the crop breeding program in IPGR Sadovo and varieties Sadovo and Enola as standards. The trials were conducted during the period 2012-2015 in the infectious field of the Institute. A comparative variety trial was performed in three replicates of the infectious field at the Institute. The sowing was done using the Simson (1969) nesting method (circular sowing). The aim of the study was to investigate the resistance of the breeding materials to the fusarium head blight (Fusarium culmorum). The results showed that there are no immune varieties and lines to the studied phytopathogen. Two common winter wheat lines – PP 787 and BC 7, fall into the group of resistant genotypes. Into the medium sensitive breeding materials group refer the lines DB/A 458, DB 223 and the Fermer variety. The biggest group includes fifteen sensitive genotypes, representing 62.5% of the total number of the study materials. Highly sensitive genotypes to Fusarium culmorum were not reported. The correlation between the fusarium head blight (FHB) and the other economically important diseases (brown rust and powdery mildew) of common winter wheat has been established.
Keywords: Common winter wheat, Resistance, Fusarium culmorum.
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