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During 1997–1999, the damage and mortality caused by insect herbivores to pigweed (Chenopodium album) and wild buckwheat (Fallopia convolvulus) were studied in an early fallow field at Prague-Ruzyně. ...
Results of research aiming at monitoring of climate changes impact on plant pathogens distribution such as Zucchini yellow mosaic virus (ZYMV), quarantine Plum pox virus (PPV) and quarantine phytoplas...
Environmental factors influence the growth, survival, dissemination and hence the incidence of Fusarium fungi and the disease severity. The knowledge of the quantitative and qualitative effects of env...
Myrobalan latent ringspot virus (MLRSV) was purified from the extract of infected Chenopodium quinoa Willd., using n-octanol, differential centrifugation, and saccharose gradient centrifugation. Ele...
Disease suppression in Ganoderma-infected oil palm seedlings treated with a conidial suspension of Trichoderma harzianum FA 1132 was tested in plant house conditions to determine the effectiveness of ...
An isolate of Grapevine virus A (GVA) from the Czech Republic was obtained from the grapevine cultivar Müller Thurgau. Symptoms of GVA – Kober stem grooving disease were not observed in the infected...
The warm climate pathogen Macrophomina phaseolina (Tassi) Goid., which causes charcoal disease, has been reported in the Czech Republic since 1999. The aim of our work was to study the incidence of ...
Electron microscopy was used to detect the presence of virus particles or inclusions in growth tips and parenchymatic cells of leaves of plum, apricot and peach trees artificially infected with Plum p...
The percentage of diseased plants of the total plants in the plot was around 10%. When inoculated into potato tuber slices, strains of P. marginalis and P. c. subsp. carotovorum produced soft rot....
The spectrum of diseases and their harmfulness to caraway has changed within the past few years. The importance of Mycocentrospora acerina, recently regarded as the most serious pathogen, has decrease...
The influence of agro-environmental factors (year, cultivar and climatic factors) on the occurrence of fungi on kernels of malt barley, species spectrum and seedling viability were evaluated during 20...
The toxicity of three concentrations (5%, 10% and 20% w/v) and spraying schedules (2, 4 and 6 weekly applications) of an extract from West African black pepper, Piper guineense, for managing two major...
Symptoms of viral infection were observed on plants of pepper, cv. OL 228, raised from commercial seeds of Czech origin in a greenhouse in the year 2002. Infected plants showed mosaic or mottling on l...
Interference in PCR and transcription amplifications by mixed virus templates is described. The yields of PCR amplification of closely related PVY isolates in a mixture were lower than those of the se...
Hop downy mildew (Pseudoperonospora humuli) and hop powdery mildew (Podosphaera macularis) are the most important pathogens of hop (Humulus lupulus). The early detection and identification of these pa...

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