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The Health Conditions of Ornamental Plants of the Family Begoniaceae in Greenhouse Systems
DEMELOVÁ, Šárka
The main aim of this study was to identify patogenes, which cause dying of begonia tubers while dormancy. Experiments consisted of two main parts: detection fungal pathogens during the vegetation and laboratory tests of hybernating tubers. Begonia plants were controled regularly once per week during the vegetation for health and number of healthy, disease and dying plants. For laboratory tests were used tubers before dormancy and healthy and disease ones for testing during vegetation season. The selection of tubers for testing was based on results from last season, when the tubers were compared in mortality. Depending on this factor were selected mutatins: the most sensitive (begonia tuberhybrida white), ordinary (Begonia pendula yellow-orange) and the most resistent (Begonia tuberhibrida cinnabar, red). Plants were observed at all phases of vegetation.

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