Hodnocení velikosti kořenového systému a výnosu u vybraných odrůd řepky ozimé

Six varieties of winter oilseed rape were measured according to the size of the root system and its electrical capacity. The size of the root system was measured by using LCR Meter ELC 131 D. The measurements were performed at the research station of ÚKZÚZ in Pusté Jakartice in the growth stages of stem elongation, bud formation and flowering. The results proved differences in the size of the root system. The highest values of the root system were found in variety Bonanza and lowest values in variety DK Explicit. The other part was harvest, weigh samples and determinate thousand seed weigh. In the final there was evaluated relationship between the root system size, yield and thousand seed weigh