Susceptibility of the Esprit hybrid rye cultivar to fungal diseases and effectiveness of their control with the use of fungicides in the years 2000–2002
Abstract
Research carried out on hybrid rye in 2000–2002 showed that the Esprit cultivar was very susceptible to the infection of three Puccinia species and Rhynchosporium secalis (Qud.) Davis. The brown rust appeared to be the most important fungal disease every year. The losses in rye yield caused by the diseases ranged between 19.8% and 28.5%. Fungicides applied on the experimental fields (azoxystrobin and kresoxim-methyl + epoxiconazole) demonstrated their high and long lasting (6 weeks) effectiveness in control of the diseases. Economic effect of rye protection was high every year.
Keywords:
brown rust, fungicides, hybrid rye, leaf blotch, stem rust, yellow rust, yieldReferences
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