Winter crops diseases occurence, variety response and fungicide resistance monitoring of important pathogens in growing season 2018/2019
2019
Tvaruzek, Ludvik | Matusinsky, Pavel | Spitzer, Tomas et al.
The occurance of diseases on winter wheat varieties to fungal diseases was evaluated in farm fields in growing season 2018/2019. The susceptibility of winter wheat varieties to fungal diseases was assessed in variety trials. The reaction of pathogens to fungicide active ingredients was evaluated in the laboratory biotest. 13 % of winter cereals stands were infected with eyespot and 25 % with powdery mildew. Leaf rust was dominating leaf pathogen in winter wheat. The infection potential of fusarium head blight was low, too. The lower susceptibility of Pyrenophora teres, Microdochium nivale and Zymoseptoria tritici to strobulurins was found. No resistant isolats of eyespot (O. yallundae) to prothioconazole and net blotch (P. teres) to fluxapyroxad were found.
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