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Výskyt a vyhodnocení patogenů hrachu rolního a hrachu setého na lokalitě Moravské Budějovice
Šplíchal, Šimon
Pea (Pisum sativum L.) is the most cultivated legume in the Czech Republic. The quantity and quality of harvested seeds are influenced by determining, limiting and reducing production factors. The focus of the thesis was on the reducing factor, namely the occurrence of pathogens in the crop of sown pea (Pisum sativum subsp. sativum) and field pea (Pisum sativum subsp. arvense). The pathogens evaluated were Botrytis cinerea, Fusarium solani f.sp. pisi, Fusarium oxysporum and Erysiphe pisi var. pisi. Part of the experiment took place in locations Moravské Budějovice, Jaroměřice nad Rokytnou, and Zálesí in 2022; the other part was conducted in the laboratory of the Crop Science, Breeding and Plant Medicine at Mendel University. In the field trials were the varieties Arkta and Salamanca. And in the laboratory trials were the varieties Astronaute, Arkta, Dora, Impuls, Salamanca and Turnia. In the laboratory experiments with the pathogens F. solani f.sp. pisi and F. oxysporum, the variety Salamanca had the lowest average degree of infestation and Impuls the highest. Sown pea had a lower index of infection by the pathogen B. cinerea compared to field pea. Cantus had no significant effect on the disease incidence. For the pathogen E. pisi, the infestation of field pea was significantly higher.
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