Vliv virových chorob na kvalitu hroznů révy vinné

The bachelors work was work out at Mendel University in Brno, Faculty of Horticulture in Lednice, at genetics institute in the course 2014 to 2016. The bachelors work is concerned with grapevines history (Vitis Vinifera) in our country, geographic, climatic conditions, sustance of grapevine and control of grapes quality. With this is related to virus diseases, which there was described. Their structure, classification, life cycle and progress of disease. It is itemize some examples of plant viruses which infest grapevine and it describe their symptoms of virus infection and effect to grapes and whole plant. In the last part are the most popular detection of viruses, methods of recovery to sick plants, their methods of succeses and written some examples